PCI-Express 2.0 x8 (Compatible with PCI-Express 1.0). Supports industry's newest and fastest SATA 6Gb/s ( backward compatible to 1.5 or 3Gb/s drives). 8 SAS/SATA ports with point-to-point connectivity. RAID 0,1,5,10,50 and JBOD. Supports Windows, Linux, FreeBSD. Low profile. The RocketRAID 2720 is SAS/SATA 6Gb/s RAID host adapter. Utilizing a point-to-point connectivity architecture in addition to PCI-Express 2.0x8 lane speed maximizes performance support up to 4000MB/s. Doubling the performance eliminates the bottleneck from previous PCI-E generations to support today's fastest storage devices such as (SAS, SSD)