Up to twice the speed of SATA II (3Gbps)nIncludes optional low profile bracket making this a suitable solution for small form factor computer casesnSupports SATA Rev 3.0 transfer speeds up to 6.0Gbps and backwards compatible with SATA I/II at 1.5/3.0GbpsnPort Multiplier FIS-based and Command-based switching supportednSupports RAID 0 and 1 modesnCompliant with PCI Express 2.0 standardsnUses existing SATA/eSATA cablingnSupports Native Command Queuing (NCQ) and ATA/ATAPI commandsn