ST4000LM024-2AN17V
SATA III, 5400 RPM, 2.5", SMR

Note: 15mm height -- will NOT fit a standard 9.5mm laptop bay; it needs a 15mm bay or an external enclosure. Also SMR (shingled): fine for archival, backup and media storage, poor for sustained random writes or RAID rebuilds.

One specific bare, shucked drive, serial WCK3YW86. The included SMART and ValiDrive captures date from 2026-08-16, before shucking; these are not new post-shuck tests.

ValiDrive validated 4,000,787,029,504 bytes using a 576-point spot check. This is a capacity screen, not a full-surface write/read verification. The prior enclosure identifier NAA7VQZN also appears in that report.

• Power-on hours: 9,543
• Reallocated sectors: 0
• Current pending sectors: 0
• Offline uncorrectable sectors (C6): 0
• UltraDMA CRC errors: 0
• SMART overall status at capture: Good
• Reported Uncorrectable Errors (BB): 8 historical events (distinct from C6)
• Command Timeout (BC) raw value: 000000000080 (nonzero historical counter)
• Power cycles: 265

Serial WCK3YW86 is on the drive label and in the SMART report that ships with it, so you can check the match on arrival.

Included: the bare drive only. No enclosure, caddy, rails, screws or cables.