This 12 inch (30cm) round SATA cable provides a secure connection to your SATA drives while ensuring optimal airflow throughout your desktop or server case. Improved Airflow Featuring a rounded design, this SATA hard drive power cable helps improve airflow inside your computer. It provides less resistance as air passes around the SATA cable ensuring cooling for optimized system performance. Secure Connection The flexible SSD cable features locking connectors that help prevent accidental disconnections when connected to your SATA drives. Fast Transfer Rates Compliant with SATA 6Gb/s specifications, this serial ATA 3. 0 extension cord supports fast data transfer rates of up to 6Gbs when used with SATA 3. 0 compliant drives. Reliability SATRD30CM is backed by a StarTech lifetime and free lifetime technical support.