Product name: PCIE to 20-port SATA expansion cardProduct interface: PCI-E 16XComply with Serial ATA 3.0 specification, backward compatible with SATA2.0 SATA1.0Comply with PCI-Express v2.0 specification and backward compatible with PCI-Express v1.0.Support 6.0 Gbps, 3.0 Gbps and 1.5 Gbps communication speedSupports Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x and Gen 3i.Support AHCI1.0 mode and IDE modeSupport native command queue (NCQ)Support FIS based on port multiplier switch or command switch.Support hot swap and hot swap. Plug and play, no need to drive, self-identified 20 disksCompatible with SATA 6G, 3G and 1.5G hard drivesBus interface: PCI-Express X16 slotExpansion interface: 20 SATA3.0 interfacesSystem requirements: PCI Express 16X slot availableSupport hard disk: SATA interface hard diskSupport system: Windows/ Linux/ UbuntuInstallation method: in-line PCI-E card slotColour:greenMaterial:PCB+metalPackage Contents:1 x 20 port SATA3.0 expansion cardOnly the above package content, other products are not included.Note: Light shooting 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.