Seagate ST3000NM0025 Capacity 3.5'' HDD 3TB 7200 RPM 512n SAS 12Gb/s 128MB Cache Internal Hard Drive 3000 128 MB Cache 3.5-Inch Internal Bare or OEM Drives
Seagate 4 TB Constellation ES Sata 7200 RPM 128 MB 3.5-Inch ST4000NM0073 (Black)