DatacenterDisk
Seagate

Seagate SkyHawk AI 20TB ST20000VE003

ST20000VE003
SkyHawk AICMR20TBSATA-6G3.5"
$36.00/TB
$719.99
newIn Stock
Price updated
Aug 4, 2026, 08:02 PM
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Quick Verdict

The Seagate SkyHawk AI 20TB ST20000VE003 is a 20TB SATA-6G enterprise drive at $36.00/TB - CMR recording makes it safe for all RAID levels and NAS deployments. New unit with full 5-year warranty.

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Specifications

Capacity20TB
Form Factor3.5"
InterfaceSATA-6G
Recording TechCMR
RPM—
Cache512MB
Sector Size—
Workload Rating550TB/yr
Warranty5 years
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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

Compare to similar 20TB SATA-6G drives

WD
Ultrastar DC 20TB Renewed
$16.40/TB
$327.99
REFURB
WD
Ultrastar DC HC570 20TB SATA
$23.50/TB
$469.99
new
MDD
20TB SATA 7200RPM NAS
$31.00/TB
$619.99
new
MDD
20TB SATA 7200RPM NAS
$31.00/TB
$619.99
new
WD
Ultrastar 20TB SATA
$31.00/TB
$619.99
REFURB

Frequently Asked Questions

Yes. The SkyHawk AI 20TB ST20000VE003 uses CMR recording which is fully compatible with all RAID levels. It is rated for 550TB/year workload.

5-year manufacturer warranty.

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. New drives come with full warranty.
💾
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. 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 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 Seagate 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.