1、Great Compatibility: PCI E to SATA3.0 card has six SATA 3.0 expansion interfaces. Complies with serial ATA 3.0 specification and is backward compatible with SATA2.0 SATA1.0；; Complies with PCI Express v2.0 and is backward compatible with PCI Express v1.0. 2、AMS1166 Main Chipset: PCI E to SATA 3.0 expansion card adopts AMS1166 main chipset, which is more stable; SATA transmission rate up to SATA III(6Gbps) is supported, and it is backward compatible with SATA II(3Gbps) and SATA I(1.5Gbps). 3、System Support: PCI E to SATA 3.0 adapter supports 2.5in SSD/HDD, 3.5in HDD, 5.25in blue light drive and other SATA interface devices, and supports all popular operating systems, such as for Windows XP,for Windows 11/10/8/7/Vista/2003/2008,for Linux,for OS X. 4、Hardware Requirements: 6 port SATA 3.0 interface expansion card has PCI x4/x8/x16 on the motherboard. It is recommended to install SATA3 card on PCI e 3.0 or 4.0, which will work at full speed. 5、Plug and Play: PCI Express to SATA 3.0 expansion card requires no driver, plug and play, and is easy to install. Item Type: PCI E to SATA 3.0 Expansion Card Material: PCB Bus Interface: PCI E X4 (Compatible, X8,X16 and Other Slots) Expansion Interface: 6 SATA3.0 Interfaces Transmission Rate: 6.0 Gbps(Maximum) Support System: Support for Windows Xp,for Windows 11/10/8/7/vista/2003/2008, for OS X,for Linux Version 2.6.x and Above. 1 x PCI E to SATA 3.0 Expansion Card 1 x Baffle 1 x Screw