Western Digital WD Red NAS Internal Hard Drive (3.5 inch)

Capacity

Price

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Reasons to buy

  • CMR-based WD Red design fits many classic RAID and NAS use cases.
  • Compact 1 TB capacity can seed a two-bay unit or act as a low-cost spare.
  • NASware tuning targets NAS controllers and multi-drive behavior.
  • SATA 6 Gb/s interface works with nearly every SATA NAS backplane.
  • Widely recognized model number for quick compatibility searches.

Reasons to avoid

  • 1 TB fills quickly for media libraries, camera archives, or VM images.
  • 5400 RPM class performance is modest compared with 7200 RPM NAS options.
  • Older SKU; always verify stock is new, not a long-stored shelf unit.
Western Digital WD Red NAS Internal Hard Drive (3.5 inch) (1 TB) — product photo
1 TB

Specifications

rpm
5400

Researched and maintained by Hard Drive Prices Editorial Team. · Updated April 9, 2026

What you're getting

Western Digital WD Red is a long-running line of 3.5 inch SATA disks aimed at always-on NAS boxes rather than generic desktop duty. The WD10EFRX SKU in this listing is a 1 TB entry point that still appears in small two-bay home kits and cold-storage spares.

WD Red uses CMR recording on this part number, which is a common preference when a volume will see RAID parity, ZFS scrubs, or steady write streams from backups and cameras. Western Digital publishes NASware-focused marketing and a three-year limited warranty story for WD Red on its regional product pages, and major retailer specification sheets for WD10EFRX often add a 180 TB per year workload guidance line. Read the warranty card that ships with your unit for binding terms.

NASware firmware remains the headline software story: it is meant to tune timeouts, error recovery, and power behavior when the drive sits behind a NAS controller instead of a direct SATA link to a PC motherboard. Western Digital also discusses vibration handling features for multi-drive shelves, which matters when several heads seek at once.

This SKU is not the same branding as WD Red Plus. Buyers comparing lines should check spindle speed, cache size, workload guidance, and bay-count messaging for each model before they standardize an entire tray.

Buying context

Typical value (not live pricing)

Pricing on legacy 1 TB NAS disks fluctuates with stock, region, and third-party sellers. Treat any quote as a snapshot, compare cost per terabyte against larger WD Red or Red Plus SKUs, and confirm the final checkout line before you pay.

Where this line often shows up

  • Two-bay Synology or QNAP kits that only need a small system volume
  • Cold spare tray for an existing WD Red pool
  • Document-only office shares with modest growth
  • Lab boxes where low capacity is intentional

Features

  • CMR recording on WD10EFRX for predictable rewrite behavior in many NAS layouts.

  • NASware firmware features intended for NAS integration.

  • 5400 RPM class rotation speed with a 64 MB cache per common retailer spec sheets.

  • 180 TB/year workload guidance cited on many WD10EFRX retailer specification pages.

  • 3.5 inch SATA form factor for standard NAS drive sleds.