Features: 1.U.2 SFF-8639 four-disks design, Stable installation, Can run Four U.2 disks at full speed at the same time. 2.Built-in multiple sets of high-power DC modules for sustainable and stable work. 3.The innovative design can accommodate four U.2 of the chassis, and can support simultaneous operation. 4.The 2.5" NVMe U.2 SSD can be the primary bootable device containing the OS and applications (requires support in the system BIOS) 5.No driver installation required, Support Windows 10/8, Server 2012 R2, Linux, etc. 6.Fully Rohs, FCC and CE Compliant.