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WD Red 2TB WD20EFAX

WD20EFAX
WD RedSMR2TBSATA-6G3.5"
$109.95/TB
$219.90
newIn Stock
This offer: sold by Nationwide Tech Biz · Amazon says New / Unknown
Price updated
Price accurate as of Nov 6, 2026, 12:00 AM
Buy on Amazon

The WD Red 2TB WD20EFAX is a 2TB SATA-6G HDD in new condition. It is in stock at $219.90 - $109.95/TB.

Where this listing sits: every 2TB hard drive · 2TB SATA drives · WD 2TB SATA — each page is the live ranking for that slice of the catalogue.

Same capacity, other options
DriveInterfaceCond$/TBPrice
HP P2000 2TB SAS 6G 7.2KSAS-6GRefurb$34.49$68.99Buy on Amazon
Seagate BarraCuda 2TB ST2000DM006SATA-6GRefurb$52.00$104.00Buy on Amazon
WD Purple 2TB WD20PURXSATA-6GRefurb$52.85$105.69Buy on Amazon
Seagate SkyHawk 2TB ST2000VX015SATA-6GRefurb$65.00$130.00Buy on Amazon

All 2TB drives we track, ranked by cost per terabyte.

Model context

SMRSource: WD Red NAS HDD product brief Recording technology for this model

Part of the WD line we track.

Quick Verdict

The WD Red 2TB WD20EFAX is a 2TB SATA-6G enterprise drive at $109.95/TB - Verify recording technology before use in RAID. New unit with full 3-year warranty.

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Specifications

Capacity2TB
Form Factor3.5"
InterfaceSATA-6G
Recording TechSMRsource
RPM5400
Cache256MB
Sector Size—
Workload Rating180TB/yr
Warranty3 years
ASINB07PGWXQCM
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 1% of them (2 of 244). The cheapest we can currently buy is $14.99/TB; the middle of the market is $38.16/TB.

Where the wider market has moved

These are third-party figures about the retail market as a whole, quoted and dated. They are not our own measurements and they do not describe this specific drive.

Compare against every 2TB drive we track →Cheapest per terabyte, all categories →Category price trends →
How it compares - 2TB SATA-6G
#1Seagate BarraCuda 2TB ST2000DM006
$52.00/TB
#2WD Purple 2TB WD20PURX
$52.85/TB
#3Seagate SkyHawk 2TB ST2000VX015
$65.00/TB
#4Seagate BarraCuda 2TB ST2000DM008
$69.00/TB
#5WD Red 2TB WD20EFAXTHIS DRIVE
$109.95/TB

Works in these NAS machines

QNAP TS-673A
Vendor-listed
On QNAP's TS-673A list as NAS Red WD20EFAX
TerraMaster (32 machines)
Vendor-listed
On TerraMaster's list - not recommended

Resolved against manufacturer compatibility lists we read and dated, capped at 4. Vendor-listed means the manufacturer names this exact part number; fit-verified is our own check of form factor, interface and recording technology against a published requirement. Neither is a guess, and a drive the registry cannot resolve shows nothing here rather than a maybe. How compatibility actually works

Also appears in

SATA hard drives
Price per terabyte
NAS hard drives
Other pages
Brands
Hard drives by capacity
Compatibility
By workload

Frequently Asked Questions

Yes. At our last check it was $219.90 ($109.95 per terabyte at its 2TB capacity), sold new under ASIN B07PGWXQCM. Amazon sets the final price at checkout.

This listing (WD20EFAX, ASIN B07PGWXQCM) carries no renewed, recertified, refurbished or pulled claim in its title, and Amazon reports it as new. On this site that is what "new" means: sold as factory-new. The stored warranty on this row is 3 years, as the listing states it.

Its stored recording technology is SMR. SMR drives can stall under RAID rebuild write patterns, which is why NAS vendors steer arrays to CMR models - weigh that before using the WD Red 2TB WD20EFAX in an array.

Use Case Scenarios

🏠
Home & SMB NAS
Building a mid-range NAS for media, backups and file sharing.
~ Good fit
Verify CMR recording before using in RAID. New drives come with full warranty.
💾
Backup Server / Veeam Target
Dedicated backup storage for Veeam, Commvault, or NetBackup.
✓ Excellent fit
2TB SATA drives are ideal for backup targets. SATA gives maximum $/TB for backup repositories.
🏗️
Virtualization Host Storage
VM images and snapshots on Proxmox, VMware or Hyper-V.
~ Good fit
Suitable for VM storage where workloads are not IOPS-intensive. SATA is fine for single-host VM storage. Consider NVMe cache for latency-sensitive VMs.

Maintenance & Troubleshooting

Maintenance Checklist

On installCheck SMART baseline on arrival
Run smartctl -a /dev/sdX and record: Reallocated_Sector_Ct, Power_On_Hours, Spin_Retry_Count. Establishes baseline for future comparison.
MonthlyRun SMART short self-test
smartctl -t short /dev/sdX — takes 1-2 minutes, catches most developing issues. Schedule during off-peak.
QuarterlyRun SMART long self-test
smartctl -t long /dev/sdX — full surface scan, takes 1 hours for 2TB. Any test failure is grounds for immediate replacement.
QuarterlyCheck RAID array health
Verify no degraded drives. A degraded array with no hot spare is one failure from data loss. Check mdstat or controller UI.
AnnuallyVerify drive firmware version
Check WD support site for firmware updates. Some versions have known bugs affecting integrity.
Every 3-5 yearsPlan proactive replacement
Enterprise HDDs have higher failure rates after year 4-5. At 2TB per drive, budget for replacements before failures occur.

Troubleshooting Guide

Cause: Loose SATA data or power cable, failed port, or drive not spinning up.
Fix: Reseat both cables. Try a different port. Listen for spin-up sound. Test with a known-good cable.