1.) Oculink 4x connectors are internal and external small form factor PCI-E connectors and cables optimized for the client and market. 2.) Kit Storage controller,Ultra PCI-E oculink interface (PCIe 4.0/5.0 x4),The card work for PCI-E NVME SSD.(Not work for SAS or Slimeline SAS HD) 3.) This M.2 converter enables belowing applications: Dual M.2 NVME PCIe SSD in 2280, 2260, 2242 and 2230 format can be connected,The converter can be installed into the system internally through Dual SFF-8611/8612 oculink interface. and the power is required. 4.) The converter work for one oculink and one NVME, or Two oculink and two NVME. 5.) This oculink M.2 converter can't convert NVME to /SAS, also can't covert NGFF//SAS to Oculink. Color: As Shown Material: PCB Package Contents: 1 * Riser Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.