The beloved WD Gold, reimagined. Ultrastar hard drives feature up to 10 times the workload rating of desktop drives and employ advanced technologies for enterprise-class reliability, power efficiency and performance. Designed from the ground up to be an ultra-robust storage device, these industry-leading enterprise class drives are a perfect solution for your business and are backed by a 5-year limited warranty. Up to 2.5M hours MTBF with a 5 year limited OEM warrant direct with Authorized Reseller.