Certified unit report
Unit U-201 · HGST H7240AS60SUN4.0T 4TB
Tested Sep 24, 2026 · Standard Use · full serial on your in-box certificate
Warranty: 12 months from delivery
SMART healthPass
| Attribute | This unit | Our pass rule | |
|---|---|---|---|
| 5 · Reallocated sectors | 0 | must be 0 | |
| 197 · Pending sectors | 0 | must be 0 | |
| 187/198 · Uncorrectable errors | 0 | must be 0 | |
| Grown defect list | 0 | must be 0 | |
| 9 · Power-on hours | 20,397 | disclosed, never reset | |
| 12 · Power cycles | 125 | disclosed |
Capacity bytes4,000,787,030,016
InterfaceSAS 6Gb/s
Temperature c37
PassedYes
Extended self-testPass
ResultCompleted without error
Poh at test20,337
Nominal duration min624
Actual duration min600
Suspect protocol runNo
Measured benchmarkPass
Sequential read / write187.7 / 174.8 MB/s
Random 4k read / write185 / 200 IOPS
Runtime s per job60
Seq bs1M
Rand bs4k
Iodepth32
Odometer authenticityVerified
Vendor log cross-check passed: the drive's internal factory log agrees with its SMART hours. A wiped or rolled-back odometer would disagree. We run this check on every unit.
Methodselftest_log
Smart hours20,346
Secondary hours20,337
Delta hours9
AgreesYes
Data wipeComplete
Previous dataWiped · verified
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