Western Digital drive failure rates

10 Western Digital models, Q1 2023 to Q3 2026. Across all of them the failure rate is 0.67% a year, against 1.52% for every drive in the data. Most reliable: Western Digital WDS250G2B0A at 0.35%. A brand average hides wide differences between models, so check the model you plan to buy.

4 TB 8 TB 10 TB 12 TB 14 TB 16 TB 24 TB

HGST Seagate Toshiba Western Digital

Grade	Model	Type	Size	Failure rate / year	Drives in use	Drive-years	Failures
A	Western Digital WDS250G2B0A	SSD	250 GB	0.35%	170	576	2
A	Western Digital WUH722222ALE6L4	HDD	22 TB	0.54%	50,132	85,125	456
B	Western Digital WUH721816ALE6L4	HDD	16 TB	0.60%	26,751	87,781	529
B	Western Digital WUH721414ALE6L4	HDD	14 TB	0.71%	8,522	31,964	226
B	Western Digital WUH722626ALE6L4	HDD	26 TB	0.92%	7,021	3,793	35
C	Western Digital WUH721816ALE6L0	HDD	16 TB	1.81%	2,896	10,953	198
D	Western Digital WD5000LPVX	HDD	500 GB	3.37%	37	326	11
F	Western Digital Blue SA510 2.5 250GB	SSD	250 GB	4.80%	140	417	20
–	Western Digital WD5000LPCX	HDD	500 GB	1.12%	33	179	2
–	Western Digital WD5000BPKT	HDD	500 GB	0.00%	7	28	0