WD 4TB 3.5", 5400rpm, 256MB, Blue, 512e, WD40EZAX

Device Type - Hard drive - internal
Capacity - 4 TB
Form Factor - 3.5"
Interface - SATA 6Gb/s
Buffer Size - 256 MB
Features - Conventional magnetic recording (CMR), Low Power Management, NoTouch ramp load technology
Width - 101.6 mm
Depth - 147 mm
Height - 26.1 mm
Weight - 0.57 kg
Performance
Drive Transfer Rate - 600 MBps (external)
Internal Data Rate - 180 MBps
Spindle Speed - 5400 rpm
Reliability
Non-Recoverable Errors - 1 per 10^14
Start / Stop Cycles - 300,000
Expansion & Connectivity
Interfaces - 1 x SATA 6 Gb/s
Compatible Bay - 3.5"