HighPoint RocketRAID 2322 PCI Express x4 compatible with (x8 and x16) interface SATA II (3.0Gb/s) Controller Card External Connectors: 8 x SATA II Transfer Rate: Up to 3Gb/s RAID: RAID 0/1/5/10/50 JBOD Operating Systems Supported: Windows, Linux, FreeBSD and Mac OS X Parts: 1 year limited Labor: 1 year limited