Only support Bifurcation Motherboard otherwise only one drive will be read. Support high and low profile bracket cabinet. ^^ This adapter card uses 3.3V and 12V dual voltage power supply, 12V to 3.3V using dual 6A power modules to meet the power requirements of large power consumption SSD. ^^ Supports 2 X NVMe M. 2 up to 256 Gbps in one card by utilizing PCIe 5. 0 bandwidth. Support 2242/ 2260 / 2280 / 22110. ^^ NVMe soft RAID is supported base on the motherboard chipsets. ^^ For more information please see the PRODUCTS DESCRIPTION.