WD Red 4TB 24x7

Western Digital WD Red WD40EFRX-RFB is a refurbished hard drive for NAS storage. Its 4 TB capacity provides space for files and other digital content on a compatible storage system.

The drive uses a 3.5-inch form factor and a Serial ATA III interface, listed with a transfer rate of 6 Gbit/s. These details describe its physical format and data connection.

This listing identifies the item as refurbished. It is the WD Red drive with the exact part number WD40EFRX-RFB.