This expansion card is 6Gbps standard and does not support SAS hard disk and SAS backplane,PS1: Only supports PCI-E 4X 8X 16X slots, cannot be inserted into PCI slot and PCI-E 1X 4 MINI SAS ports, SFF8087 to 4-port cables to get 16 interfaces 16 standard SATA3.0 interfaces.Can connect 16 SATA3.0 ports at the same time, support hot swap,Support Native Queuing (NCQ), controller supporting AHCI,Does not support hardware , supports soft provided by and other NAS systems Easy Installation: The plug-and-play design ensures easy installation without the need for drivers on most modern operating systems, making it a user-friendly upgrade solution model:PCE16ST-L01 interface:4 SFF-8087 can convert to 16 SATA3.0 Input interface: PCI-E 4X 3.0 (compatible with 4X8X16X) Interface rate: SATA3.0 6Gbps Installation location:PCI-E slot, not compatible with PCI and PCI-E 1X Function introduction:Convert motherboard PCIE signals to 16 ports Support system:for WIN10/11/2003/LINUX Things to note:Does not support SAS hard disk, only supports disk The product appearance and printed words depending on the batch, but this does not affect use Color: As Shown Material: PCB Package Contents: 1 x PCIe Adapter 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.