Suitable for expansion from 1 to 4 M. 2 NVMe SSD memory cards to PCIe x16 interface
System requirements: The motherboard must have a free PCIe x16 interface and support Bifurcation PCIe splitting function Support PCI Express 4.0 x4x4x4x4, support 4 M. 2 NVMe full-speed slots Expansion card supports 2242, 2260, 2280, 22110 and other SSD sizes Please check your motherboard manual, manual or BIOS option will explain Bandwidth PCIE channel splitting or Bifurcation option. Not supported if not mentioned.