SERIAL NUMBER DISCLAIMER:

Please note that the unique serial numbers and hardware identifiers of all products are systematically recorded, logged, and photographed prior to dispatch. Returned items will be inspected to verify serial number matches for return validation and security purposes.

DESCRIPTION Professional overview of the item. This listing is for a genuine Western Digital (WD) Red 4TB 3.5-inch Internal NAS SATA Hard Drive (Model: WD40EFRX-68WT0N0, Serial Number: WCC4E1679895). Built specifically for 24/7 NAS systems, home media servers, and small business network storage. Features NASware 2.0 technology for optimized RAID compatibility, 64MB cache buffer, quiet operation, and low power consumption. Fully health-checked via Hard Disk Sentinel with no bad sectors or SMART flags.

• Brand: Western Digital (WD)

• Product Line: WD Red NAS

• Model Number: WD40EFRX-68WT0N0

• Regulatory Model (R/N): 771945

• Capacity: 4TB (4.0TB / 4000 GB)

• Form Factor: 3.5-Inch Internal Desktop / NAS

• Interface: SATA 6.0Gb/s (SATA / 64MB Cache)

• Serial Number: WCC4E1679895

SPECIFICATIONS

• Drive Capacity: 4TB

• Interface Type: SATA III (6 Gb/s)

• Cache Buffer: 64 MB

• Firmware/Feature Set: NASware 2.0

• DCM: HABNHTJMAB

• DCX: 7W09T1909

• Power Ratings: 5VDC 0.60A / 12VDC 0.45A

• Date of Manufacture: 09 APR 2014

• World Wide Name (WWN): 50014EE25F7884A0

• Country of Origin: Product of Thailand

COMPATIBILITY

• Network Attached Storage (NAS) enclosures up to 8 bays (Synology, QNAP, ASUSTOR, TerraMaster, Netgear ReadyNAS).

• Home media servers, desktop PCs, Linux workstations, and 3.5" SATA external enclosures.

WHAT’S INCLUDED

• 1 x Western Digital Red 4TB 3.5" SATA NAS Hard Drive (Model WD40EFRX)

• Please Note: Bare drive only. SATA cables, mounting screws, and original retail packaging are not included.

TESTING & HEALTH

• Hard Disk Sentinel Health Status: 100% Health / 100% Performance (Perfect).

• Sector Status: 0 Bad Sectors, 0 Weak Sectors, 0 Data Transfer Errors.

• Power On Time: 1452 days, 7 hours.

• Total Start/Stop Count: 11,126.

• Operating Temperature: ~26°C.

• Data Cleanup: Fully sanitized, zero-filled, and formatted.

NOTES

• Please verify drive form factor and SATA interface compatibility prior to purchase.

• Serial numbers are systematically recorded prior to dispatch for security tracking.

CONSIGNMENT DISCLAIMER This item is being sold on behalf of a client through our Tech-a-Trade consignment service. All items are tested where possible and described as accurately as possible. Serial numbers and identifying marks may be recorded for security purposes. With over 25 years of eBay experience, we specialise in helping businesses and individuals sell technology equipment through our consignment service. Please contact us if you are interested in selling equipment through Tech-a-Trade.

VAT INFORMATION VAT Margin Scheme applies to this item. VAT is not separately recoverable.

POSTAGE We use Royal Mail and other tracked services.

RETURNS 30 day returns accepted. Items must be returned in the same condition supplied.

WHY BUY FROM US

• Trusted UK seller

• Professional testing process

• Fast dispatch

• Fully tracked delivery

• Responsive customer support

• Specialist technology reseller