2TB 2.5" Laptop Hard Drive for Dell Inspiron 1720, 1721, 1747 Internal 2.5 SATA 5400RPM Interface: SATA, Capacity: 2000GB, RPM: 5400RPM, Cache: 32MB, Size: 3.0Gb/s or 6.0Gb/s Package Include: 2000GB 5400RPM 32MB Hard Disk Drive This Product Has 1 Year Warranty And 30 Days Money Back Guarantee