• With 4 U.2 Nvme SFF-8643 expansion ports. This product can only be used on PCIE slots that support PCIe split
• Supports using SSF-8643 to SFF-8639 cable to connect to U.2 SFF-8639 solid state drive, this product does not include SSF-8643 to SFF-8639 cable
• Support PCI-E4.0, support 2U chassis, high-speed lossless transmission, strong compatibility
• This product is not plug and play! Need machine support, BIOS settings, kind of complicated
• With 4 LED working state indicators, more convenient

Specifications: 

• Item: PCIE 4.0 to U.2 NVME Expansion Card
• Material: PCB
• Slot: PCIE X4 X8 X16
• Expansion Slot: SFF-8643
• Port: 4 Ports
• Size: approx. 120x150mm/4.72x5.91in

Note: Please make sure that your motherboard PCIe x16 slot supports PCIE signal splitting.