Specifications:

• Product Number: WD40EFPX
• Device Type: Hard drive – internal
• Capacity: 4 TB
• Form Factor: 3.5″ x 1/3H
• Interface: SATA 6Gb/s
• Buffer Size: 64 MB
• Features: IntelliPower, Advanced Format technology, NAS compatible,
• NASware technology, 3D Active Balance Plus, S.M.A.R.T.
• Dimensions (WxDxH): 101.6 mm x 147 mm x 26.1 mm
• Drive Transfer Rate:600 MBps (external)
• Internal Data Rate: 150 MBps
• Drive Transfer Rate: 600 MBps (external)