Want to save space on your mobile device by running apps from a memory card? Transcend's microSDXC/SDHC 300S cards are the right choice! The cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time. A good fit for mobile app storage It's common for users to install and run mobile apps from microSD cards in order to free device memory. Random read/write performance is thus crucial. Transcend's microSDXC/SDHC 300S memory cards are a great fit for storing mobile apps. Show the transfer capabilities Transcend's microSDXC/SDHC 300S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 95MB/s and 40MB/s respectively. Built for extremes Transcend's microSD memory cards are tested to withstand extreme conditions.
Want to save space on your mobile device by running apps from a memory card? Transcend's microSDXC/SDHC 300S cards are the right choice! The cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time. A good fit for mobile app storage It's common for users to install and run mobile apps from microSD cards in order to free device memory. Random read/write performance is thus crucial. Transcend's microSDXC/SDHC 300S memory cards are a great fit for storing mobile apps. Show the transfer capabilities Transcend's microSDXC/SDHC 300S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 95MB/s and 40MB/s respectively. Built for extremes Transcend's microSD memory cards are tested to withstand extreme conditions.
Want to save space on your mobile device by running apps from a memory card? Transcend's microSDXC/SDHC 300S cards are the right choice! The cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time. A good fit for mobile app storage It's common for users to install and run mobile apps from microSD cards in order to free device memory. Random read/write performance is thus crucial. Transcend's microSDXC/SDHC 300S memory cards are a great fit for storing mobile apps. Show the transfer capabilities Transcend's microSDXC/SDHC 300S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 95MB/s and 40MB/s respectively. Built for extremes Transcend's microSD memory cards are tested to withstand extreme conditions.
Want to save space on your mobile device by running apps from a memory card? Transcend's microSDXC/SDHC 300S cards are the right choice! The cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time. A good fit for mobile app storage It's common for users to install and run mobile apps from microSD cards in order to free device memory. Random read/write performance is thus crucial. Transcend's microSDXC/SDHC 300S memory cards are a great fit for storing mobile apps. Show the transfer capabilities Transcend's microSDXC/SDHC 300S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 95MB/s and 40MB/s respectively. Built for extremes Transcend's microSD memory cards are tested to withstand extreme conditions.
Last updated at 07/15/2026 18:37:16
Transcend 512GB microSDXC Micro SD Card A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter for Nintendo Switch, Steam Deck, ROG
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TRANSCEND 512GB MICRO SDXC C10 UHS-I U1/U3 V30 A1 WITH SD ADAPTOR
Free delivery between 21–29 July
Transcend USD300S 512GB A1 U3 V30 microSDXC with Adapter TS512GUSD300S A - Micro SD Cards
Delivery $13.54
Transcend microSDXC 300S-A 512GB Class 10 UHS-I U3 V30 A1
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Transcend USD300S microSDXC Card with Adapter 512GB
Delivery between Fri – Tue $15
Transcend Micro Sdxc 300s-a 512gb Class 10 Uhs-i U3 V30 A1 Memory Card Black
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Transcend 512GB microSD UHS-I U3 A1 TS512GUSD300S-A 95MB/s With Adapter
Delivery between 17–27 July $11
Transcend USD300 512GB microSDXC Micro SD Card for Nintendo-Switch/Steam Deck/ROG Ally/MSI Claw/GoPro/DJI/Insta360/Action Camera, A1 V30 UHS-I U3 C10,
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Transcend 300S 512 GB Class 10/UHS-I (U3) microSDXC - 1
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Transcend 512 GB MicroSDXC microSD, UHS I U3, UHS I U1, A2, A1, Class 10, TS512GUSD300S-A
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| Card Type | microSDXC with Full-Size SD Adapter |
| Storage Capacity | 512 GB |
| Bus Type | UHS-I |
| Speed Class | 10 |
| UHS Speed Class | U3 |
Transcend 512GB microSDXC Micro SD Card A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter for Nintendo Switch, Steam Deck, ROG
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!
TRANSCEND 512GB MICRO SDXC C10 UHS-I U1/U3 V30 A1 WITH SD ADAPTOR
Free delivery between 21–29 July
Transcend USD300S 512GB A1 U3 V30 microSDXC with Adapter TS512GUSD300S A - Micro SD Cards
Delivery $13.54
Transcend microSDXC 300S-A 512GB Class 10 UHS-I U3 V30 A1
Free delivery
Transcend USD300S microSDXC Card with Adapter 512GB
Delivery between Fri – Tue $15
| Card Type | microSDXC with Full-Size SD Adapter |
| Storage Capacity | 512 GB |
| Bus Type | UHS-I |
| Speed Class | 10 |
| UHS Speed Class | U3 |
