[Supports 2230/2242/2280 sizes of solid state drives (only 2280 Copper Pillars are soldered by default [Only for storage expansion, not for booting from sSD drive. Only supports PCIE 1x Gen2. Enable NVME SSD by adding the following in config. You can power the M.2 card directly from the PCle FPC ribbon (the port provides at least 1.5A at 5V continuous power) or via optional 2-pin package for redundant power supply (up to 3A at 5V). The dimension of the board is 56x86mm, it is slightly longer than the 5 PCB. We have made a 40-pin slot on the board, which does not interfere with wire connections. Colour:As Shown Material:PC Due to different product batches, the appearance , which does not affect the use Package Contents: 1 * expansion board Only the above package content, other products are not included. Note: Light reflection 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.