Western Digital WD 4TB Ultrastar DC HC310 Enterprise 3.5 Hard Drive, SATA III 512e SE, 7200RPM, 256MB Cache, 2M Hours MTBF, CMR
WD Ultrastar 7K6000 4TB 3.5inch SATA 7200RPM 512e SE Hard Drive 0B36040 - 5 Years Limited Warranty
- Manufacturer Warranty: 5 Years Limited Warranty
- Manufacturer Contact Info: http://www.wdc.com/, 1800 429 861