NVMe SSD Adapter support PCIe 3.0 x8 NVMe (M key), including 2230, 2242, 2260, 2280 and 22110mm. ^^ 4-Port NVMe SSD Adapter supports 4x M. 2 PCIe internal drives. ^^ Built-in a PEX 8724 controller, support Non-Bifurcation Motherboard. NOT support hot swaping. ^^ PCI Express 3.0 X8 lane host adapter support PCI-Express X8, X16 Slots. 15 Gold Fingers makes data transmission more stable and extends lifespan ^^ Compatible with PCIe 3.0, PCIe 2.0 and PCIe 1.0 motherboards.