Seagate HDD ST1000NM0033 1TB SATA 6Gb s Enterprise Storage 7200RPM 128MB Cache Bare Drive New - Bare Drive 3-Year Limited Warranty Seagate ST1000NM0033 SEAGATE ST1000NM0033 Constellation ES.3 1TB 7200 RPM 128MB cache SATA 6.0Gb/s 3.5 internal hard drive (Bare Drive)