Features: Unlocking the full potential of your motherboards with the PCIE PCIExpress 16x to Oculink SFF8611&8612 4 port Adapter Support Oculink SFF 8611 8612 to SFF 8639 Solid Disk Motherboards needs to support PCIE X4X4X4X4X4 Split. This adapter ensures stable installation and simultaneous full speed operation of up to four PCIE disks, thanks to its powerful module. Efficient data management in servers and computers. Upgrading your desktop, this adapter supports both full height and half height chassis for various setups that require enhances storage solution. Support for PCle4.0 and backwards compatibility with PCle3.0 & 2.0, this expansion card offers future proof connection. Specifications: Item: PCIe X16 Split 4 Port Expansion Card Connection：Support Oculink SFF 8611 8612 to SFF 8639 Solid Disk Size：about 14.50cm/5.71in Bracket Size:about 8cm/3.15in 12cm/4.72in Mainboards needs to support PCIE X4X4X4X4X4 Split Support SFF-8611&8612 to SFF-8639 Solid disks Support full-height and half-height chassis Support: Support PCle4.0 Backward compatibles PCle3.0 & PCle2.0 Package Includes: 1Set PCIE PCIExpress 16x Split Adapter note: Due to problems of lighting effect there will be certain tolerances in product, please understand. Please allow 0-1cm error due to manual measurement