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

Capacity

Price

$359.99

Per TB$36.00

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Reasons to buy

  • CMR recording fits many RAID, ZFS, and Unraid arrays where predictable rewrite behavior matters.
  • Western Digital publishes a 180 TB per year workload guidance number for this NAS-focused line.
  • NASware tuning targets multi-drive NAS error handling, compatibility, and power behavior.
  • SATA 6 Gb/s interface works with the vast majority of tower NAS units and many rack models.
  • The family spans several capacities so one line can fill both boot-tier and bulk storage tiers.

Reasons to avoid

  • Mechanical NAS disks are not a substitute for flash when you need very low latency random I/O.
  • Spindle speed and cache size change by SKU, so two boxes both labeled Red Plus will not match in throughput.
  • Always confirm bay count, firmware, and compatibility notes for your specific NAS model before you buy.
Western Digital WD Red Plus NAS Internal Hard Drive (3.5 inch) (10 TB) — product photo
10 TB

Specifications

rpm
7200

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

What you're getting

Western Digital WD Red Plus is a family of 3.5 inch internal SATA hard drives built for network-attached storage that stays powered on around the clock. The line is pitched at home labs, remote workers, and small offices that want spinning capacity behind a NAS controller rather than a single desktop PC.

These drives use CMR recording, which tends to keep RAID rebuilds, scrubs, and large sequential writes more predictable than smr designs in many multi-drive layouts. Western Digital lists a 180 TB per year workload guidance figure for this series on its product materials, and retail boxes typically carry a three-year limited warranty, with exact terms depending on region and seller.

NASware firmware tuning aims to improve behavior in multi-bay vibration, error recovery, and power management when the disk is used behind a NAS operating system. Official pages describe compatibility testing with common NAS vendors and guidance for systems up to eight bays for this product group, though you should still match the exact SKU to your enclosure compatibility list.

Capacities in this listing differ in spindle speed and cache. The 4 TB and 6 TB EFZX-class SKUs here are commonly sold as 5400 RPM class to 5640 RPM class drives with 128 MB buffers, while the 10 TB WD100EFGX and 12 TB WD120EFGX SKUs are specified at 7200 RPM with 512 MB caches on Western Digital spec blocks.

Buying context

Typical value (not live pricing)

During listing research the 10 TB WD100EFGX showed a buy-box style price near 360 USD on Amazon US, which lands near the mid-thirty dollars per terabyte range before tax. Smaller capacities often cost more per terabyte than 10 TB and 12 TB SKUs. Treat every price as a snapshot and confirm the live checkout total.

Where this line often shows up

  • Synology and QNAP 4 to 8 bay home and SOHO NAS filers
  • Unraid parity or array disks where CMR is preferred
  • TrueNAS Core or Scale pools that mix mirrors with bulk HDD tiers
  • Office shares with nightly backup jobs and always-on spin policies

Features

  • CMR recording for NAS and RAID layouts that see sustained rewrites.

  • NASware firmware features intended to improve NAS integration and reliability.

  • 3.5 inch SATA form factor aimed at multi-bay tower and rack enclosures.

  • 180 TB/year workload guidance called out on Western Digital materials for the series.

  • Tested for NAS compatibility messaging on official Western Digital Red Plus pages.

  • Three-year limited warranty on typical retail units, subject to regional warranty text.