Features:Support four hard drives.Support more than 137 GB capacity hard disk (48-bit LBA).Support for RAID 0, for RAID 1, for RAID 5, for 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 for Windows 98SE / Me / 2000 / XP / NT 4.0 / XP 64-bit / Vista/Linux & Netware OS.Specifications:Chipset: Silicon Image Sil3114Package weight: 100gSATA:Support four internal SATA interface, the transmission rate is up to 1.5Gb / sSupports SATA 1.0 standard256 bytes FIFO port for quick read / write operationFor RAID:Support for RAID 0, for RAID 1, for RAID 5, for RAID 0 + 1 mode, support JBODSupported device:Hard disk, CDROM, DVD ROM, CD-R, CD-RW, DVD-R, DVD-RW, and the likeSystem Requirements:There is at least one available 32-bit PCI slot on the PCSupported Operating Systems: for Windows 98SE / Me / 2000 / XP / NT 4.0 / XP 64-bit / Vista/Linux & Netware OS.Package Lilst:1 x PCI to 4 Port SATA for RAID Card1 x Drive CDNote:.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.