Includes 2PCS SATA cables with straight-through connector on both end SATA revision 3.0 (aka SATA III) provides up to 6 Gbps data throughput Compatible with Serial ATA hard drives, Blu-ray/ DVD/ CD drives, and other Serial ATA devices Easy to fit into hard areas and tight spaces, providing flexibility to posit Backwards compatible with SATA revision 1 and 2 (aka SATA I and SATA II)