Hard Disk Drives Guide

Western Digital Black (4TB)
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Western Digital Black (4TB)


Overall rating 8/10

The Western Digital Black 4TB is the company's flagship consumer mechanical hard disk and offers high performance and capacity.


Performance:
7.5
Features:
7
Value:
8.5
THE GOOD
Huge capacity at little sacrifice in performance
Good sequential read and write performance
More cost-effective than regular 1TB drives
THE BAD
Random read and write performance suffers a little
Poor PCMark 7 results
No accessories

Product Specification

Interface & Data Transfer Rate SATA 6Gbps
Capacity 4TB
Number of Platters 5 (800GB each)
Average Latency 4.20 ms (nominal)
Buffer 64MB
Power Requirements
  • Read/Write: 10.40 Watts
  • Idle: 8.10 Watts
  • Standby: 1.20 Watts
  • Sleep: 1.20 Watts
Dimensions
  • 147 x 101.6 x 26.1 mm
Weight 780g
Rotational Speed 7200rpm
Warranty 5-years