Hard drive 3.5-inch Western Digital RED WD40EFAX 4TB SATA III 5400RPM (U)
HDD drive 3.5" Western Digital RED WD40EFAX 4TB (U). Model: WD40EFAX. Capacity: 4TB. Interface: SATA III. Manufacturer: Western Digital. Possible micro-scratches on the housing. Rotational speed: 5400 RPM.