6-port Adapter Card: You can use this PCIe SATA card to add 4 6Gb/s SATA 3.0 devices to your computer. Backward compatible with 1.5 Gbps/s and 3 Gbps/s. High Performance: 6-port SATA controller chip, more stable and widely compatible. Support port-based multiplier FIS and command-based exchange. Transfer Speed: It supports SATA Revision 3.0 transfer speed up to 6 Gbit/s, and is backward compatible with SATA I/II, and compatible with SATA6G, 3G and 1.5G hard drives. Support System: Compatible with operating system WIN10 / WIN8 / WIN7 / Vista / XP / Linux. Compatible with all PCI-E slots. Not applicable to PCI. Support Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x, and Gen 3i. Support hot swap.