Features:Support four hard drives.Support more than 137 GB capacity hard disk (48-bit LBA).Support RAID 0, RAID 1, RAID 5, RAID 0 + 1 mode, support JBOD.4 internal SATA interface, the transmission rate is up to 1.5Gb / s.Supports PCI 32-bit bus; Bus speed of 33MHz / 66MHz; PCI 2.3 Standard.PCI 'Plug and Play' compatibility.Applications: 150MB / sec (S-ATA Rev1.0 theoretical value).Support Windows 98SE / Me / 2000 / XP / NT 4.0 / XP 64-bit / Vista, Linux & Netware OS.Need to install driver.(for Win10, no need driver, plug and play)