Astrotek AT-CPES6E 2-ch eSATA 3.0 RAID 0,1 Adapter, PCI Express x1 interface, 2 x eSATA 6 Gb/s(on bracket side), comes with Low Profile bracket, Marvell 88SE9128 chipset, Supports both SATA 1.5Gb/s, 3Gb/s and 6Gb/s HDD drives, HDD size up to 2TB(each), Supports IDE programming interface register for the SATA controller, Supports AHCI programming interface registers, Supports error reporting, recovery & correction, Supports Port Multiplier FIS based switching or command based switching, Supports Native Command Queue(NCQ), Supports Hot Plug & Hot Swap, Support XP/Vistra/Win7/Win2000/Win2008 32&64Bit, Support MAC OS X 10.6 or above, Linux Kernel 2.6.19 or above