Save time transferring content Quick read speeds of up to 160MB/s. let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes. Write speeds of up to 90MB/s Capture fast-action photos or shoot 4K UHD video with write speeds of up to 90MB/s. The SanDisk Extreme microSDXC UHS-I Card lets you shoot more and faster. Great for capturing 4K UHD Video Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings. Load apps faster with A2 Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A2 Specification. Durable design for use in extreme environments SanDisk Extreme microSDHC and microSDXC UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card. Compatible with MobileMate USB 3.0 Reader Use the MobileMate USB 3.0 microSD Card Reader with transfer speeds of up to 160MB/s*, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.
Save time transferring content Quick read speeds of up to 160MB/s. let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes. Write speeds of up to 90MB/s Capture fast-action photos or shoot 4K UHD video with write speeds of up to 90MB/s. The SanDisk Extreme microSDXC UHS-I Card lets you shoot more and faster. Great for capturing 4K UHD Video Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings. Load apps faster with A2 Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A2 Specification. Durable design for use in extreme environments SanDisk Extreme microSDHC and microSDXC UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card. Compatible with MobileMate USB 3.0 Reader Use the MobileMate USB 3.0 microSD Card Reader with transfer speeds of up to 160MB/s*, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.
Save time transferring content Quick read speeds of up to 160MB/s. let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes. Write speeds of up to 90MB/s Capture fast-action photos or shoot 4K UHD video with write speeds of up to 90MB/s. The SanDisk Extreme microSDXC UHS-I Card lets you shoot more and faster. Great for capturing 4K UHD Video Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings. Load apps faster with A2 Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A2 Specification. Durable design for use in extreme environments SanDisk Extreme microSDHC and microSDXC UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card. Compatible with MobileMate USB 3.0 Reader Use the MobileMate USB 3.0 microSD Card Reader with transfer speeds of up to 160MB/s*, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.
Save time transferring content Quick read speeds of up to 160MB/s. let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes. Write speeds of up to 90MB/s Capture fast-action photos or shoot 4K UHD video with write speeds of up to 90MB/s. The SanDisk Extreme microSDXC UHS-I Card lets you shoot more and faster. Great for capturing 4K UHD Video Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings. Load apps faster with A2 Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A2 Specification. Durable design for use in extreme environments SanDisk Extreme microSDHC and microSDXC UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card. Compatible with MobileMate USB 3.0 Reader Use the MobileMate USB 3.0 microSD Card Reader with transfer speeds of up to 160MB/s*, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.
Last updated at 06/23/2026 22:14:28
SanDisk 64GB Extreme Pro UHS-I microSDXC Memory Card With SD Adapter (160MB/s)
Delivery between 29 June – 2 July $7.95
SanDisk 64GB Extreme microSDXC UHS-I Memory Card - 160MB/s
Sandisk Extreme Micro 64GB Sdxc Sqxa2 Memory Card
SanDisk Extreme Action Micro SD Card 64GB Dash Cam GoPro
Delivery $5
Sandisk 64gb Extreme Micro Sdxc Memory Card Gopro Dji Drone Action
Free delivery
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Sandisk Extreme 64gb Microsdxc Class 10 Memory Card
Free delivery
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Realwear Micros Sd Card (64 Gb Sandisk Extreme) 171043
Delivery $35
SanDisk Extreme microSD UHS I Card 64GB for 4K Video 170MB/s Read, 80MB/s Write
SanDisk Extreme microSDXC UHS-I 160MB/s Memory Card (64GB)
Delivery between 26 June – 3 July $11.95
Extreme 64 GB Class 10/UHS-I (U3) microSDXC
Delivery between 30 June – 3 July $29
originally posted on bhphotovideo.com
I have 3 of these cards now. Got them all from B&H. Two of them are superb. The other doesn't work in anything but my PC. None of the cameras will accept it and twice just inserting it in the card reader has crashed my Windows 11. I can't bring myself to throw away a $25 card but I may be able to store stuff on it down the line. Also, reformatting on both my PC and in the individual cameras did not improve performance. Basically with the bad card the device just shuts down.Weird. But like I said, the two cards that work are super fast, very reliable and work in every camera. (Sony, GoPro, Apeman and an old Nikon Cool Pics)
originally posted on westerndigital.com
SanDisk are extremely fast exceptional quality Micro SD cards. The 32GB Extreme MicroSD card I bough works beautifully to supplement the internal memory of one of my Android tablets. Also on a side note I bought for my Android phone what I thought was a 128GB version of the SanDisk Extreme Micro SD card on NewEgg and when I got the card it became obvious to me (from the counterfeit packaging and the cards actual performance) that it was not a real SanDisk Memory card. This may sound hyperbolic or unbelievable, but it is 100% true... the majority of the SanDisk memory cards that are sold by third party sellers on sites like NewEgg, Ebay, Amazon and numerous other sites are fake cards... they are countefeit. They may have what appear to be legitimate packaging, the ... MoreSanDisk are extremely fast exceptional quality Micro SD cards. The 32GB Extreme MicroSD card I bough works beautifully to supplement the internal memory of one of my Android tablets. Also on a side note I bought for my Android phone what I thought was a 128GB version of the SanDisk Extreme Micro SD card on NewEgg and when I got the card it became obvious to me (from the counterfeit packaging and the cards actual performance) that it was not a real SanDisk Memory card. This may sound hyperbolic or unbelievable, but it is 100% true... the majority of the SanDisk memory cards that are sold by third party sellers on sites like NewEgg, Ebay, Amazon and numerous other sites are fake cards... they are countefeit. They may have what appear to be legitimate packaging, the card may look identical to an authentic SanDisk card and they may have serial numbers, "made in" and a "CE" marking on the card, but when you actually check the serial numbers with SanDisk'WesterDigital tech support or test the memory card's performance you will find that they are likely inferior counterfeit memory cards from China. Only buy your Sandisk memory cards from Western Digital or one of their approved dealers listed on their website. Don't be fooled or tempted by anyone offering SanDisk Memory cards or other products at prices lower than what they are selling for on the Western Digital website or by one of their authorized dealers... virtually any SanDisk Memory card or product that is priced lower than the Wester Digital or one of their authorized dealers will be an vastly inferior counterfeit card without the speed or memory of an authentic SanDisk card.
originally posted on ebay.com
Buying memory cards online can be a real minefield - not all are 'as advertised' (just read the reviews on some sites). So it was only after a great deal of sifting and searching and checking selling history etc. that I finally decided to 'chuck-me-buck' in the direction of this particular seller. Have to say that I'm really pleased I did. Sure, there were some available elsewhere at a slightly lower price, but that is small consolation if they prove not to be the real thing and you end up losing your treasured memories. Besides which, I needed the card in a hurry for a trip I had coming up the following week so buying from a local seller seemed the sensible choice. Being Mr. Skeptical, the first thing I did on receiving the item (2 days after placing the order) was ... MoreBuying memory cards online can be a real minefield - not all are 'as advertised' (just read the reviews on some sites). So it was only after a great deal of sifting and searching and checking selling history etc. that I finally decided to 'chuck-me-buck' in the direction of this particular seller. Have to say that I'm really pleased I did. Sure, there were some available elsewhere at a slightly lower price, but that is small consolation if they prove not to be the real thing and you end up losing your treasured memories. Besides which, I needed the card in a hurry for a trip I had coming up the following week so buying from a local seller seemed the sensible choice. Being Mr. Skeptical, the first thing I did on receiving the item (2 days after placing the order) was to check the manufacturer's product packaging - all seemed correct. Next, and more objectively, I checked the read/write and formatting stats using the freely available h2testw_1.4 app (just use your favourite search engine to locate a bona-fide copy, remembering always that: "other products are available..."). Again, all good! Bear in mind though that when formatted, no memory card will display the full available manufacturer stated capacity. So, for a nominal 32Gb card, don't be surprised to see somethinglike 29.7Gb available capacity once formatted. This is normal and does not necessarily indicate a faulty card. So, for my card it all checked out as the genuine article and has been happiliy capturing my adventures on my 'action camera' which I rigged up as a dashcam; managing to completely fill the card over the course of a couple of days. All of my journeys were then replayed and relived on my laptop (sad I know!) without a hitch or glitch. In summary, yes, I'm very pleased with the card and would recommend it and the seller without hesitation. (Purchased from Picstop Jul 2018)
| General | |
| Product Type | Flash memory card |
| Storage Capacity | 64 GB |
| Memory | |
| Speed Class | A2 / Video Class V30 / UHS-I U3 / Class10 |
SanDisk 64GB Extreme Pro UHS-I microSDXC Memory Card With SD Adapter (160MB/s)
Delivery between 29 June – 2 July $7.95
SanDisk 64GB Extreme microSDXC UHS-I Memory Card - 160MB/s
Sandisk Extreme Micro 64GB Sdxc Sqxa2 Memory Card
SanDisk Extreme Action Micro SD Card 64GB Dash Cam GoPro
Delivery $5
Sandisk 64gb Extreme Micro Sdxc Memory Card Gopro Dji Drone Action
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
I have 3 of these cards now. Got them all from B&H. Two of them are superb. The other doesn't work in anything but my PC. None of the cameras will accept it and twice just inserting it in the card reader has crashed my Windows 11. I can't bring myself to throw away a $25 card but I may be able to store stuff on it down the line. Also, reformatting on both my PC and in the individual cameras did not improve performance. Basically with the bad card the device just shuts down.Weird. But like I said, the two cards that work are super fast, very reliable and work in every camera. (Sony, GoPro, Apeman and an old Nikon Cool Pics)
SanDisk are extremely fast exceptional quality Micro SD cards. The 32GB Extreme MicroSD card I bough works beautifully to supplement the internal memory of one of my Android tablets. Also on a side note I bought for my Android phone what I thought was a 128GB version of the SanDisk Extreme Micro SD card on NewEgg and when I got the card it became obvious to me (from the counterfeit packaging and the cards actual performance) that it was not a real SanDisk Memory card. This may sound hyperbolic or unbelievable, but it is 100% true... the majority of the SanDisk memory cards that are sold by third party sellers on sites like NewEgg, Ebay, Amazon and numerous other sites are fake cards... they are countefeit. They may have what appear to be legitimate packaging, the ... MoreSanDisk are extremely fast exceptional quality Micro SD cards. The 32GB Extreme MicroSD card I bough works beautifully to supplement the internal memory of one of my Android tablets. Also on a side note I bought for my Android phone what I thought was a 128GB version of the SanDisk Extreme Micro SD card on NewEgg and when I got the card it became obvious to me (from the counterfeit packaging and the cards actual performance) that it was not a real SanDisk Memory card. This may sound hyperbolic or unbelievable, but it is 100% true... the majority of the SanDisk memory cards that are sold by third party sellers on sites like NewEgg, Ebay, Amazon and numerous other sites are fake cards... they are countefeit. They may have what appear to be legitimate packaging, the card may look identical to an authentic SanDisk card and they may have serial numbers, "made in" and a "CE" marking on the card, but when you actually check the serial numbers with SanDisk'WesterDigital tech support or test the memory card's performance you will find that they are likely inferior counterfeit memory cards from China. Only buy your Sandisk memory cards from Western Digital or one of their approved dealers listed on their website. Don't be fooled or tempted by anyone offering SanDisk Memory cards or other products at prices lower than what they are selling for on the Western Digital website or by one of their authorized dealers... virtually any SanDisk Memory card or product that is priced lower than the Wester Digital or one of their authorized dealers will be an vastly inferior counterfeit card without the speed or memory of an authentic SanDisk card.
Buying memory cards online can be a real minefield - not all are 'as advertised' (just read the reviews on some sites). So it was only after a great deal of sifting and searching and checking selling history etc. that I finally decided to 'chuck-me-buck' in the direction of this particular seller. Have to say that I'm really pleased I did. Sure, there were some available elsewhere at a slightly lower price, but that is small consolation if they prove not to be the real thing and you end up losing your treasured memories. Besides which, I needed the card in a hurry for a trip I had coming up the following week so buying from a local seller seemed the sensible choice. Being Mr. Skeptical, the first thing I did on receiving the item (2 days after placing the order) was ... MoreBuying memory cards online can be a real minefield - not all are 'as advertised' (just read the reviews on some sites). So it was only after a great deal of sifting and searching and checking selling history etc. that I finally decided to 'chuck-me-buck' in the direction of this particular seller. Have to say that I'm really pleased I did. Sure, there were some available elsewhere at a slightly lower price, but that is small consolation if they prove not to be the real thing and you end up losing your treasured memories. Besides which, I needed the card in a hurry for a trip I had coming up the following week so buying from a local seller seemed the sensible choice. Being Mr. Skeptical, the first thing I did on receiving the item (2 days after placing the order) was to check the manufacturer's product packaging - all seemed correct. Next, and more objectively, I checked the read/write and formatting stats using the freely available h2testw_1.4 app (just use your favourite search engine to locate a bona-fide copy, remembering always that: "other products are available..."). Again, all good! Bear in mind though that when formatted, no memory card will display the full available manufacturer stated capacity. So, for a nominal 32Gb card, don't be surprised to see somethinglike 29.7Gb available capacity once formatted. This is normal and does not necessarily indicate a faulty card. So, for my card it all checked out as the genuine article and has been happiliy capturing my adventures on my 'action camera' which I rigged up as a dashcam; managing to completely fill the card over the course of a couple of days. All of my journeys were then replayed and relived on my laptop (sad I know!) without a hitch or glitch. In summary, yes, I'm very pleased with the card and would recommend it and the seller without hesitation. (Purchased from Picstop Jul 2018)
Works perfectly in my Samsung A51. In researching which card to buy I decided I wanted a top performing card that will hopefully last a couple of phones which is what Ive done in the past. So I wanted a card with A2 functionalityfor running apps off the card and I decided on buying at least 128GB for the extra storage capacity and the better speeds that come with the larger sized Extreme cardsIm not positive now but I think it was the 128GB and up had better speed ratings than the 32 and 64GB cards. I purchased the 256GB SanDisk Extreme PLUS because it was the best value at the timeit was on sale. I ordered online and BestBuy shipped to my house. It arrived a few days ahead of the expected delivery date. I first put this into my laptop to transfer several gigs of ... MoreWorks perfectly in my Samsung A51. In researching which card to buy I decided I wanted a top performing card that will hopefully last a couple of phones which is what Ive done in the past. So I wanted a card with A2 functionalityfor running apps off the card and I decided on buying at least 128GB for the extra storage capacity and the better speeds that come with the larger sized Extreme cardsIm not positive now but I think it was the 128GB and up had better speed ratings than the 32 and 64GB cards. I purchased the 256GB SanDisk Extreme PLUS because it was the best value at the timeit was on sale. I ordered online and BestBuy shipped to my house. It arrived a few days ahead of the expected delivery date. I first put this into my laptop to transfer several gigs of music, movies, and pictures onto itusing the included SD card adapter. I then installed it into my phone and moved all my documents, images, videos, and audio to this card combining the new stuff from my laptop with that from my phone. I set it to be the default location for all the file types mentioned, so now, any new stuff goes right to the microsdxc card. I have not installed or used any of the apps offered by SanDisk. I have not performed any bench tests but I dont notice any discernable lag or delays in accessing the data compared to my internal memorywhich is test enough for my needs. Ive yet to install or move apps to the microsdxc card. But the card has been installed for almost 2 months and now that my confidence in this product has been confirmed, I plan to move a few less often used apps to it as well. Overall Im very happy with this purchase.
Ive used the SanDisk microSD memory cards in a variety of devices for sometime now and Ive had no issues what so ever. And San Disk has improved their newer cards with faster read and write speeds, hence the SDXC insignia name. The faster the speed of these cards, for digital cameras at least, the quicker you can save and take a new photo. You can insert this very fast microSDSC card into any older device as well. It is backwords compatible. SanDisk keep lowering prices which is excellent.On smartphones the tiny micro version of this memory card is used, but the large adapter that comes with it is for adding storage to laptop computers. You simply insert the micro card into the large adapter and plug the large adapter into your laptop memory card slot.Finally, allow ... MoreIve used the SanDisk microSD memory cards in a variety of devices for sometime now and Ive had no issues what so ever. And San Disk has improved their newer cards with faster read and write speeds, hence the SDXC insignia name. The faster the speed of these cards, for digital cameras at least, the quicker you can save and take a new photo. You can insert this very fast microSDSC card into any older device as well. It is backwords compatible. SanDisk keep lowering prices which is excellent.On smartphones the tiny micro version of this memory card is used, but the large adapter that comes with it is for adding storage to laptop computers. You simply insert the micro card into the large adapter and plug the large adapter into your laptop memory card slot.Finally, allow me to say it is a pleasure shopping for these types of products at BestBuy online. BestBuys website is state of the art for online shopping and I am impressed. Simple, fast, done.
Dji recommends the SanDisk Extreme and this one is even a little better being the SanDisk Extreme Plus. The read and right speeds are a little faster on the Extreme Plus. 10MBs faster read and 30MBs faster write than the Extreme card. It was on sale for less than 30 dollars so it was better to get a faster card for 4k video. So far it works perfect with 4k 60 frames on the Dji mavic air 2 drone. Faster speeds should be more future proof and perform better. I have three Sandisk sd cards and all still work great. Beware of buying these cards online at unknown dealers because there are a lot of fake cards that do not perform as well in tests. I felt Best Buy would be the best choice to get a legitimate card and I did test its speeds and they are as advertised or ... MoreDji recommends the SanDisk Extreme and this one is even a little better being the SanDisk Extreme Plus. The read and right speeds are a little faster on the Extreme Plus. 10MBs faster read and 30MBs faster write than the Extreme card. It was on sale for less than 30 dollars so it was better to get a faster card for 4k video. So far it works perfect with 4k 60 frames on the Dji mavic air 2 drone. Faster speeds should be more future proof and perform better. I have three Sandisk sd cards and all still work great. Beware of buying these cards online at unknown dealers because there are a lot of fake cards that do not perform as well in tests. I felt Best Buy would be the best choice to get a legitimate card and I did test its speeds and they are as advertised or faster. Speeds can be a little confusing because the Mavic air 2 records 4k 60fps at 120 mbps. These cards are rated in MBs and 120mbps equals 15MBs. This card has 90MBs write speed so no problem with speed for sure.
Well, this was cheesy of Best Buy. When I added the Thinkware Q800 Pro to my cart, this SD card was suggested to bundle with it at a great discount. The higher capacity seemed like a good idea, and the dash cam does take 128GB cards, but not this one. Thinkware says it has to be one of theirs, at a much higher price. But I hoped BestBuy wouldnt suggest bundling it if it didnt work I took a risk, I knew. Well, in the dash cam, it worked okay at first, but before long, Id get these messages on startup saying, Memory Card Format Required. Push a button, and its done in a second, and off you go. But Id lose all the recordings still on the disk. Didnt happen all the time but seemed to more and more, and sometimes multiple times in one start up. So I switched to the 32GB ... MoreWell, this was cheesy of Best Buy. When I added the Thinkware Q800 Pro to my cart, this SD card was suggested to bundle with it at a great discount. The higher capacity seemed like a good idea, and the dash cam does take 128GB cards, but not this one. Thinkware says it has to be one of theirs, at a much higher price. But I hoped BestBuy wouldnt suggest bundling it if it didnt work I took a risk, I knew. Well, in the dash cam, it worked okay at first, but before long, Id get these messages on startup saying, Memory Card Format Required. Push a button, and its done in a second, and off you go. But Id lose all the recordings still on the disk. Didnt happen all the time but seemed to more and more, and sometimes multiple times in one start up. So I switched to the 32GB Thinkware disk that came with the cam no problems since. With these SD disks, there are so many variations. You gotta use the one that works with your device. Good news is the price was cheap, and the card can be used for other storage needs. Just dont bother using it with the dash cam. Bad on Best Buy for bundling something that doesnt work with the device.
The Samsung and Sandisk 256GB SD cards were on sale for about the same price. The Sandisk is rated at maximum 17090 readwrite in MBs versus the Samsung Evo Plus at 10090. For only 2 more I tried the Sandisk for its higherrated read speed.In actual use I cannot say there is a great difference. I would say both cards are very competitive. Subjectively, the 256GB Sandisk seems somewhat faster than the Samsung 64GB card that it replaced.I ran speed tests on this and Samsung Evo Plus cards using the SD Card Tester app. The device processor and card vintage may have impacted the results.Sandisk 256GB SD845 69.457.7 readwriteSamsung 256GB SD835 50.431.9 card purchased in 2018Samsung 512GB SD865 77.450.2Based on the tests, the Sandisk surprisingly seems to have a slightly ... MoreThe Samsung and Sandisk 256GB SD cards were on sale for about the same price. The Sandisk is rated at maximum 17090 readwrite in MBs versus the Samsung Evo Plus at 10090. For only 2 more I tried the Sandisk for its higherrated read speed.In actual use I cannot say there is a great difference. I would say both cards are very competitive. Subjectively, the 256GB Sandisk seems somewhat faster than the Samsung 64GB card that it replaced.I ran speed tests on this and Samsung Evo Plus cards using the SD Card Tester app. The device processor and card vintage may have impacted the results.Sandisk 256GB SD845 69.457.7 readwriteSamsung 256GB SD835 50.431.9 card purchased in 2018Samsung 512GB SD865 77.450.2Based on the tests, the Sandisk surprisingly seems to have a slightly higher WRITE speed. However, newer cards on newer devices all seem close enough. Since I have rated the Samsung at 5 stars and I am pleased with the Sandisk it also gets 5 stars. They both work fine and you cant go wrong with either.
I ordered 4 of these for use with a Zoom F3 field recorder, even though the Ultras would be enough according to the official F3 compatible cards list. To test functionality and satisfy my curiosity, I benchmarked each one using Blackmagic Disk Speed Test (5GB stress test) and a Transcend RDF8 USB 3.1 Gen 1 Card Reader connected to a Mac with USB 3.0 ports. Each card hit well over the maximum advertised write speed (a couple hit around 67 MB/s) and just under the max read speed. Capacity also shows right above 31.9GB, which is also great. A solid choice if you don't need speeds above those which are advertised. Recommended.
Supposed to "Features up to 95MB/sec. sequential read speed and 90MB/sec. sequential write speed." I ran four tests for read speed and got an average of 80MB/s. The low was 65 and high was 87. Write was average 47, low of 29 and high of 70. One test was H2Testw, which writes and reads to the entire memory card. And another was AJA System Test, which does test writing video in different formats, i.e. 4K was used for this test. Note that one test got a 29, but the minimum should be 30 (V30) I also tried Crystal Disk Mark. On that test, 512MiB, I got Seq Reads of 92.67 and 88.04, and Seq Writes of 27.19, and 38.93. So I am disappointed in read speeds, and very disappointed in write speeds. This is about half the expected write performance.
| General | |
| Product Type | Flash memory card |
| Storage Capacity | 64 GB |
| Memory | |
| Speed Class | A2 / Video Class V30 / UHS-I U3 / Class10 |
