The LSATARND18 18-inch latching round SATA cable is a high quality SATA 6Gbps cable that features a rounded design to help improve airflow inside a computer or server case by providing less resistance as air passes around the cable, in turn helping to ensure optimal cooling for optimized system performance. This durable cable also features latching connectors, which lock when connected to a supporting (latchable) SATA port to, ensuring a snug, secured data connection every time to prevent accidental disconnects. Backed by Lifetime Warranty.STARTECH.COM