ThinkStation M.2 SSD Flex adapter is targeted to support M.2 SSD on ThinkStation systems. It is fully qualified with ThinkStation P500, P700 and P900 systemsSupports M.2 PCIe SSD in Slot1 and M.2 SATA SSD in Slot2 on ThinkStation P500 Supports M.2 PCIe SSD in Slot1 and M.2 PCIe and SATA SSD in Slot2 on ThinkStation P700, P900 With small format and easy to assemble