HP 846523-004 4TB SAS Drive 3.5" MB4000JVYZQ 818369-004 7.2K SEAGATE 100DAYRTB
4TB Capacity. Seagate ST4000NM0025. 128MB Buffer Cache. This hard drive has been fully tested and professionally data-wiped. We certify this drive error free. Fully tested and working with no bad sectors.