I/O Crest Low Profile 4 Channels PCI Serial ATA II RAID Host Controller Card SY-PCI40026 Compatible to PCI specification Support PCI bus-master access Support Plug & Play and hot Plug Silicon Image SIL3124 Serial ATA (SATA2) host controller chipset Compliant with Serial ATA II specification, the extension of SATA 1.0a Revision 1.1 Compliant with Gen2i, Gen2m SATA II Electrical speciation Revision 1.0 Backward compatible to SATA 1.0 specification Support Native Command (NCQ), Port Multiplier, First Party DMA RAID 0, 1, 5, 10 JBOD function supported Windows 2000/XP/2003 server/Vista