Seagate Barracuda SATA 1.5TB 7200RPM AcuTrac SmartAlign Technology Hard Drive (Certified Refurbished) This Certified Refurbished product is tested & certified by Seagate to look and work like-new. The product includes all original accessories, and is backed by a 90 day warranty 1.5 TB (Terabyte) storage capacity SATA/600 interface Seagate OptiCache technology Seagate SmartAlign technology