1TB 2.5" Hard Drive for Sony VAIO VPCF 137FX, 137FX/B, 137FX/H, 1390X, 13AFX, 13AFX/B Laptops Interface: SATA, Capacity: 1000GB, RPM: 5400RPM, Cache: 8MB, Size: 2.5 Inchs, 3.0Gb/s 1TB Upgrade Hard Drive. Major Brand: WD, Seagate, Tosbhia, Hitachi, etc. This Product 3 Year Warranty And 30 Days Money Back Guarantee.