4TB Western Digital Gold 3.5" SATA III Hard Drive - 7200RPM, 256MB Cache

4 TB 3.5" 7200 RPM Serial ATA III Server/workstation HDD Storage drive buffer size: 128 MB 2.6 Gbit/s 641 g Your Data Is GoldCustomize your business’s storage mix to fit your specific needs with a full portfolio ofenterprise-class WD Gold HDDs in capacities of 1TB to 24TB1, with OptiNAND™ technologyin 20TB, 22TB and 24TB. These highly reliable solutions for demanding storageenvironments provide up to 2.5M hours MTBF2, vibration protection technology, and a lowpower draw thanks to HelioSeal® technology (for 12TB and above). Specifically designedfor use in enterprise-class data centers and storage systems, WD Gold SATA HDDs deliverthe world-class performance you expect from Western Digital® hard drives.More Flexibility, More FreedomWD Gold lets you build out your storage your way with a full portfolio of SATA HDDsfrom 1TB to 24TB1, engineered for heavy application workloads and designed to handleworkloads up to 550TB3 per year.Enhanced ReliabilityWith up to 2.5M hours MTBF2, WD Gold hard