This Cable connect motherboards and host controllers to internal Serial ATA hard drives and DVD drives 90-degree design can make for better cable management in some situations, especially in tight spaces Please be sure to check your case to see which way you need the cable to be angled 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) 7-pin Internal Straight to 90-Degree Serial ATA Cable features Serial ATA connectors for internal PC storage connections. Depending upon the peripherals used, you can get data transfer rates up to 6 Gbps. A 90-degree angled connector positions the cable in a way that produces less bend, and allows the cable to line up straight. This translates to reduced cable bend and fatigue for long-term durability.