WD Bulk WD AV-GP WD40EURX 4 TB 3.5" Internal Hard Drive - SATA - 64 MB Buffer

Single Bulk Pack - WD AV-GP 4.0TB SATA 6Gb/s Internal 3.5-inch AV Hard Drive, 64MB Cache, IntelliPower. Power-conserving WD AV-GP SATA hard drives with WD GreenPower Technology meet the 24x7