Powered by an Intel Celeron N5095 Quad-Core processor the TS-664 6-Bay NAS Enclosure from QNAP features two 2.5GbE RJ45 ports and Port Trunking for up to 5 Gb/s combined bandwidth. With M.2 PCIe 3.0 and PCIe 3.0 slots the TS-664 provides flexibility in extending NAS functionality allowing you to install a QM2 card for M.2 SSD caching or Edge TPU for AI image recognition and various 10GbE/5GbE network cards. The TS-664 comes with 4GB of DDR4 RAM for running light VMs and Containers and supports multi-cloud backup cloud storage gateways 4K HDMI output and real-time transcoding alongside expandable storage capacity and feature-rich apps to perform as a cost-efficient reliable 2.5GbE NAS. This unit has six SATA III 6 Gb/s drive bays all of which natively support 3.5 hard drives as well as 2.5 hard drives and SSDs. Should users need to expand the overall capacity of their TS-664 optional expansion units may be connected. Also featured are two USB-A 3.2 Gen 2 ports and two USB-A 2.0 ports which allow it to be connected to external peripherals. Network connectivity is achieved via the two 2.5 Gigabit Ethernet ports with port trunking failover support which helps to provide redundancy in the case that a LAN connection malfunction occurs on one port. The TS-664 runs on the QTS hero 5.0.1 operating system. For those who do not require a RAID JBOD and Single are also available allowing each drive bay to be individually utilized. QNAP has engineered the TS-664 to be energy efficient. Not only does it offer dual 90mm cooling fans the server supports numerous scheduled power on / off cycles and hard-drive hibernation to further minimize power consumption and operation expenses. The TS-664 operates using a 120W AC adapter and includes an Ethernet cable a power cord 18 flat head screws for 3.5 HDDs and 18 flat head screws for 2.5 HDDs.