Serial ata - 1. 5 gbps (150 mb/s) breaks the 137gb barrier! Works with various brands of large capacity serial ata hard disk compliant with serial ata 1. 0 specification compliant with pci specification, rev. 2. 2 supports raid 0 (stripping) for performances and raid 1 (mirroring) for reliability. (dm-8301r only) coexists with ultra ata controller and allows you connect up to 2 sata hard disk supports 32-bit wide pci bus at 66mhz and data transfer rates up to 150mb/s (1. 5gb/s) features independent 256-byte fifos per channel for host reads and writes