WD

WD WD Gold 20TB

WD Gold 20TB
WD GoldCMR20TBSATA-6G3.5"
$40.55/TB
$811.00
REFURBNot available
Price updated
Price accurate as of Aug 14, 2026, 05:01 PM
No current offer
In stock instead - nearest to 20TB

6 in-stock listings · this listing has no current offer on Amazon · ranked by live cost per tb, refreshed every few hours

DriveCapacityInterfaceRecordingCondition$/TBPrice
Seagate SkyHawk AI 20TB ST20000VE002
ST20000VE002
20TBSATA-6GCMRREFURB$31.00$620Buy
MDD 20TB SATA 7200RPM NAS
MD20TSATA25672NAS
20TBSATA-6GCMRREFURB$31.00$620Buy
MDD 20TB SATA 7200RPM NAS
MD20TS25672NAS
20TBSATA-6GCMRNEW$31.00$620Buy
WD Ultrastar 20TB SATA20TBSATA-6GCMRREFURB$31.00$620Buy
WD Ultrastar 20TB SATA WUH722020ALE604
WUH722020ALE604
20TBSATA-6GCMRREFURB$31.60$632Buy
WD Ultrastar 20TB SATA WUH722020ALE604
WUH722020ALE604
20TBSATA-6GCMRREFURB$31.60$632Buy
Quick Verdict

The WD WD Gold 20TB is a 20TB SATA-6G enterprise drive at $40.55/TB - CMR recording makes it safe for all RAID levels and NAS deployments. As a refurbished unit, run SMART diagnostics on arrival and verify power-on hours.

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Specifications

Capacity20TB
Form Factor3.5"
InterfaceSATA-6G
Recording TechCMR
RPM7200
Cache
Sector Size
Workload Rating
Warranty5 years
ASINB0CKT861PB
Market context

We do not have enough in-stock comparators of this type today to place this price against the rest of the market. The category page below ranks everything we do have.

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 20TB drive we track →Cheapest per terabyte, all categories →Category price trends →
How it compares - 20TB SATA-6G
#1WD Ultrastar DC 20TB Renewed
$16.40/TB
#2WD Ultrastar DC HC570 20TB SATA
$23.50/TB
#3MDD 20TB SATA 7200RPM NAS
$31.00/TB
#4MDD 20TB SATA 7200RPM NAS
$31.00/TB
#5WD Ultrastar 20TB SATA
$31.00/TB

Frequently Asked Questions

Yes. The WD Gold 20TB uses CMR recording which is fully compatible with all RAID levels.

5-year manufacturer warranty. This listing is a refurbished/renewed unit - verify seller warranty before purchase.

Compatible with any server, NAS or workstation with a SATA port. Works in Synology, QNAP, TrueNAS, UnRAID and all major NAS platforms.

Use Case Scenarios

🏠
Home & SMB NAS
Building a high-capacity NAS for media, backups and file sharing.
✓ Excellent fit
CMR recording is RAID-safe and fully compatible with Synology, QNAP, TrueNAS and UnRAID. Refurb units offer strong value for non-critical NAS.
💾
Backup Server / Veeam Target
Dedicated backup storage for Veeam, Commvault, or NetBackup.
✓ Excellent fit
20TB SATA drives are ideal for backup targets. SATA gives maximum $/TB for backup repositories.
☁️
Object Storage / Cold Data Tier
High-density storage for MinIO, Ceph or Hadoop at scale.
✓ Excellent fit
At 20TB per drive, a 60-bay JBOD delivers 1200TB raw — enough for petabyte-scale object storage.

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. Critical for refurb drives — refuse any with reallocated sectors > 0.
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 10 hours for 20TB. 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 20TB 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.