SE-M.2A2824A-4MK PCI Express 3.0 X8X16 to X4 x 4 NVMeM.2 M KEY SSD adapter card adopts high performance ASMedia ASM2824 chipset, it is a low latency, low cost and low power consumption 24 channel, supports Four-port x4-lane M.2 device.  With upstream PCIe Gen3x8 bandwidth, it enables users to build various high-speed I/O systems, including servers, system storage or communication platforms.  Support hot swap, drive-free, plug and play.  Supports quad-port x4-lane M.2 Key M NVMe SSD devices.  Support M.2 SSD module size: 2230, 2242, 2260, 2280.    Specification:  Chipset: ASMedia/ASM2824  Bus type: PCIe 3.0 X8X16  Media Interface: 4 x 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 PCIe 2.0 and PCIe 1.0  Support for NVM Express (NVMe), M.2 Specification Revision 0.9  Supports quad-port x4-lane 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 via PCIe protocol  Automatically detect channel configuration at startup  Support L1 sub-state deep power saving mode  Support wakeup function in S3/S4  Operating temperature range: 0~85°C  System requirements: Win 7/ Win 8/ Win 8.1/ Win 10 32 or 64 bit, Linux kernel 3.17 or higher  One available PCI Express X8X16 slot  Material: PCB  Color: Green + Black    Package Contents:  1 x Expansion card  1 x Bracket (Random color, don't accept the specified color.)  4 x Silicone Pad  4 pair Screw  1 x Screwdriver    Only the above package content, other products are not included.  Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.