Western Digital WD Red 4TB NAS Hard Drive – WD40EFAX – Used

Genuine Western Digital WD Red 4TB SATA hard drives, previously used in a Synology NAS.

All drives were operational when removed from service and have been individually inspected using CrystalDiskInfo. Individual SMART health reports are included in the listing Western Digital

Series: WD Red

Model: WD40EFAX-68JH4N1

Capacity: 4TB per drive

Interface: SATA 6Gb/s

Form Factor: 3.5-inch

Rotational Speed: 5400 RPM class

Cache: 256MB

Recording Technology: SMR (Shingled Magnetic Recording)

Condition: Used

Drive Condition:

Approximately 35,000 power-on hours per drive (varies by unit)

SMART health status: Good

Previously operated in a Synology NAS

Individual CrystalDiskInfo screenshots provided

Normal cosmetic signs of prior installation may be present

Please review the SMART screenshots for exact power-on hours, serial numbers, and drive-specific health information.

What’s Included:

1 x Western Digital WD Red 4TB hard drive per quantity purchased

12 drives available. Select the quantity you would like to purchase.

The specific serial number shipped may vary depending on inventory. All drives will be checked against their documented SMART reports before shipment.

Important Notes:

These are used hard drives with significant previous operating hours. Although SMART reports indicate good health, remaining lifespan cannot be guaranteed.

These WD40EFAX drives use SMR technology. Please verify suitability for your intended NAS or storage application before purchasing.

Hard drives will be carefully packaged in protective materials suitable for shipping.

Please review all photos and verify compatibility before purchasing.