Western Digital Se Wd4000F9Yz 4Tb 7200Rpm Sata3/Sata 60 Gb/S 64Mb 3.5" Enterprise Hard Drive Go to amazon.com Related posts The 10 best hdd 4tb sata3 64mb FeatureNew - Bare Drive5-Year Limited WarrantyWestern Digital WD4000F9YZ SE TR800M 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5 internal hard drive DescriptionWestern Digital WD4000F9YZ SE TR800M 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5 internal hard drive