Western Digital Red 4TB 5.4K 6Gbps 64MB 3.5" SATA HDD WD40EFRX
Model WD40EFRX. Western Digital Red 4TB 3.5" SATA HDD. Storage Capacity 4TB. Cache 64MB. Interface SATA. We will always help you to have a 100% positive happy buying experience. Any hard drives (if included) have been data wiped and work.