The YABOANG PCI-E X4 6-Port SATA 3.0 Expansion Card for Desktop PCs allows you to free up your system disk drive. The expansion card features a

6-Port SATA3.0----Expands 6 SATA III 6Gbps ports via the motherboard's PCI-Express X4 slot. Set up a storage pool or Windows software RAID (Note: Hardware RAID is not supported) Safe and Stable----The PCIE SATA controller uses the ASMedia ASM1166 chip, supporting PCIE 3.0, faster speeds and wider compatibility. The chip signal is doubled, supporting switching based on port multiplication commands. PCI-E GEN3----The fastest speed of a PCI-E 3.0 slot is 500-550 M/s, the speed of a PCI-E 2.0 slot is 380-450 M/s, and when connected to a PCI-E 1.0 slot, the speed is only 200-300 M/s. (Please contact your motherboard manufacturer for compatible PCI-E versions.) Compatible Slots and Systems----PCI-E X4 interface, compatible with PCI-E 8X/16X slots. (Theoretical speed of 8GB/sec with PCI-E 4X bidirectional bandwidth) Compatible with Windows 7/8/10/XP/2003/2008/Linux. Includes all necessary accessories---- 6-port SATA expansion card, SATA 15-pin 1 to 4 power cable, 6 SATA cables, half-height bezel bracket. Please feel free to contact customer service with any questions.