SATA revision 3.0 (aka SATA III) provides up to 6 Gbps data throughput, Backwards compatible with SATA revision 1 and 2 (aka SATA I and SATA II). This Cable connect motherboards and host controllers to internal Serial ATA hard drives and DVD drives. High Quality Spring Steel Locking Connectors Ensure a Rock Solid Connection Between Drive and Motherboard. Includes locking latch on each end of the cable to ensure it doesn't work itself loose. Package include 5 x 18 " SATA 3 Cable. provides 24 Months of replacement for defective products and any-time Technical support