Used Seagate Laptop HDD, model ST4000LM016-1N2170, 4.0 TB. 2.5-inch, 15mm height, 5400 RPM, 128MB cache, SATA 6Gb/s. Ideal for external enclosure, all-in-one, or slim desktop — not a standard 7mm/9.5mm thin laptop drive.

Serial: W800HDYEFirmware: 0003

Tested condition

• Overall SMART health: Good
• Reallocated sectors: 0
• Current pending sectors: 0
• Uncorrectable sectors: 0
• Temperature at test: 27°C
• Power-on hours: 17,787
• Power-on count: 745

Drive was pulled from working use, identified, and SMART-checked. Surface attributes (realloc / pending) are clean. Attribute 187 (Reported Uncorrectable Errors) shows a non-zero lifetime count, which is disclosed for transparency. Sold as a used, tested drive.

Specs

• Capacity: 4 TB (3.64 TiB usable)
• Form factor: 2.5", 15mm
• Interface: SATA III 6Gb/s
• Speed: 5400 RPM
• Cache: 128 MB
• Advanced Format 512e

Included

• Hard drive only (no screws, enclosure, or cable unless listed separately)

Notes

• Used item, sold as-is. Please review SMART details before offerding.
• Confirm your bay/enclosure supports 15mm 2.5" drives.
• Inspect on arrival; contact us promptly if there is a problem with the listing description.

Ready to ship. Questions welcome.