SABRENT SBT-SRD4 Silicon Image RAID Native Serial ATA (SATA-150) 4 Ports PCI Controller Host Card Adapter Add 4 Serial ATA Ports to your desktop! Add Reliable Proven 1,500Mbps of Serial ATA 4 Ports and RAID 0, RAID 1, RAID 0+1, RAID 1+S(Mirrored-Sparing) to your system This PCI Host Adapter can upgrade your desktop computer to have four Serial ATA RAID Channels. RAID 0 (Striping), RAID 1 (Mirroring), RAID 0+1 (mirrored-stripping) and RAID 1+S (Mirrored-Sparing) improve the data performance and provide the data redundancy and rebuilding. Specifications: Provides 2 Brackets to Support Low profile PCI and Regular size PCI in one card 48 bits LBA can Break Capacity-Limit to Support HDD larger than 137GB Four high speed Serial ATA interface ports, each supporting 1st generation Serial ATA data rates 1.5Gb/s Hot-plug capability Fully compliant with Serial ATA 1.5G specifications Provides RAID 0 (Stripping) to greatly increase the performance of data transfer by simultaneously writing data to 2 drives Provides RAID 1 (Mirroring) to protect the data from a disk failure by writing identical data on 2 drives RAID 0+1 (Mirrored-Stripping) combine both Striping and Mirroring technologies to provide both the performance enhancements that come from Striping and the data availability and integrity that comes from Mirroring RAID 1+S (Mirrored-sparing) can automatically replace the failed drive and rebuild the system when booting HDD is failed Supports ATAPI commands Supports Spread Spectrum in receiver Independent 256-byte FIFOs (32 bit * 64 deep) per Serial ATA channel for host reads and writes Compliant with PCI Specification, revision 2.2 Integrated PCI DMA engines Four Pin header on board for LED connection 32 bit, 33/66MHz fully compliant PCI host interface Supports Windows 98, Windows Millennium, Windows NT 4.0, Windows 2000, XP, 2003 and Linux, Novell Netware Acts as NON-RAID when not BIOS configured RAID