As the next step in the evolution of ATA hard drives, SATA is directed towards customers requiring the best price advantage for entry level servers and external storage deployments in non-mission critical, low workload environments. SATA drives are available in both 3.5" and 2.5" form factors and ship standard with a one year warranty. HP 3.5" and Small Form Factor (SFF) SATA hard disk drives (HDD) are available in the following models: SFF 5.4K - 60GB and 120GB and 3.5" 7.2K - 80GB, 160GB, 250GB, 500GB, 750GB.