HGST HMS5C4040BLE640

Capacity: 4 TB

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Lifetime

Active: 2014–2026
Drive count: 16,349
Drive days: 41,176,381
Failures: 449
Average age: 84.21 months
Annualized failure rate: 0.40%

History by Period

Period	Drive Count	Drive Days	Failures	AFR
Q1 2026	186	15,858	0	0.00%
Q4 2025	187	17,151	1	2.13%
Q3 2025	187	17,194	0	0.00%
Q2 2025	188	16,893	1	2.16%
Q1 2025	4,121	324,039	3	0.34%
Q4 2024	5,866	458,656	1	0.08%
Q3 2024	9,778	789,018	5	0.23%
Q2 2024	10,226	898,707	7	0.28%
Q1 2024	10,264	932,237	5	0.20%
Q3 2023	11,938	1,044,981	4	0.14%
Q2 2023	12,757	1,083,231	22	0.74%
Q1 2023	12,742	1,145,343	12	0.38%
Q4 2022	12,737	1,158,245	7	0.22%
Q2 2022	12,750	1,154,012	18	0.57%
Q1 2022	12,743	1,145,719	15	0.48%
Q4 2021	12,742	1,171,211	9	0.28%
Q2 2021	12,750	1,158,839	14	0.44%
Q4 2020	12,753	1,171,990	9	0.28%
Q3 2020	12,744	1,171,895	7	0.22%
Q2 2020	12,748	1,159,472	9	0.28%
Q1 2020	12,753	1,159,692	9	0.28%
Q4 2019	12,758	1,168,739	12	0.38%
Q3 2019	12,769	1,173,136	18	0.56%
Q2 2019	12,770	1,160,287	15	0.47%
Q1 2019	14,558	1,172,824	11	0.34%
Q4 2018	14,667	1,335,577	18	0.49%
Q3 2018	15,054	1,368,030	10	0.27%
Q2 2018	15,342	1,384,015	10	0.26%
Q1 2018	15,374	1,363,173	16	0.43%
Q4 2017	15,059	1,369,721	17	0.45%
Q3 2017	16,191	1,419,590	14	0.36%
Q2 2017	16,189	1,405,418	21	0.55%
Q1 2017	15,377	959,967	37	1.41%
Q4 2016	9,421	809,119	14	0.63%
Q3 2016	9,394	800,738	12	0.55%
Q2 2016	8,481	548,083	8	0.53%
Q1 2016	3,091	281,281	0	0.00%
2015	3,103	1,125,847	12	0.39%
2014	3,115	702,397	10	0.52%