adopts high performance ASMedia ASM2824 chipset, it is a low latency, low cost and low power consumption Automatically detect channel configuration at Support sub-state deep power- saving Support wakeup- function in -swappable, plug-and-play design and wide temperature Supports 4-port x4-lane M.2 Key-M NVMe SSD devices for M.2 SSD module- size: 2230, 2242, 2260, 2280. Chipset: ASMedia-/ASM2824 Bus type: PCIe3.0X16 Media 4 M.2 M-KEY NVMe SSD Module-size: M.2 Key-M NVMe SSD devices supporting 2230, 2242, 2260, 2280 Compliant with PCI-Express Specification Revision-v3.0 Backward compatible with-PCIe2.0 and PCIe1.0 Support for NVM-Express (NVMe), M.2 Specification Revision 0.9 Supports quad-port M.2 Key-M NVMe SSD devices Support M.2 SSD module- size: 2230, 2242, 2260, 2280 Supports M.2 "M" keys and "B+M" keys PCIe Operating temperature 0-85°C System requirements: 7/ 8/ 8.1/ 10 32 or 64 bit, Linux- kernel 3.17 or available PCI-Express X16 slot Material: PC+Aluminum Alloy Color: As Shown Package Contents: 1 x Expansion card 1 x Bracket (random colors, dont accept the specified color) 4 x Silicone Pad 4 pair x Screw 1 x Screwdriver(The printed words may vary from batch to batch, but will not affect the use)