WD Black WD4003FZEX 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive (Used)

The Western Digital Black WD4003FZEX delivers 4TB of high-performance desktop storage built for demanding workloads. Spinning at a full 7200 RPM with a 64MB cache buffer and a SATA 6.0Gb/s interface, this WD Black drive is engineered to move data fast and keep pace with intensive read/write tasks — a significant step above standard desktop drives. Whether you're building a high-capacity workstation, expanding a NAS array, or loading up a gaming rig, the WD4003FZEX brings the throughput and reliability that WD's Black performance tier is known for.

Specifications

• Part Number: WD4003FZEX
• Brand: Western Digital
• Series: WD Black
• Capacity: 4TB
• Spindle Speed: 7200 RPM
• Cache: 64MB
• Interface: SATA 6.0Gb/s
• Form Factor: 3.5" Desktop
• Type: Internal Hard Drive

Condition

This drive is sold in used condition and has been put through a rigorous multi-point testing protocol, professionally cleaned, and repackaged in industry-leading custom protective packaging — so it arrives ready to install and perform. Backed by a 90-day warranty for complete peace of mind.

Why Buy From Us

Every used and refurbished hard drive we ship has cleared our comprehensive multi-point inspection and testing process — no shortcuts. We professionally clean each unit and pack it in premium protective packaging designed to keep it safe in transit. Most orders qualify for free 2-day shipping, so your WD Black WD4003FZEX gets to you fast. The 90-day warranty means your investment is protected long after delivery.