Seagate

Seagate Exos X24 24TB SATA

ST24000NM000H
Exos Xnearline24TBSATA-6G3.5"
$52.70/TB
$1,264.90
newIn Stock
This offer: sold by ITCP Technologies · Amazon says New / Unknown
Price updated
Price accurate as of Oct 18, 2026, 12:00 AM
Buy on Amazon

The Seagate Exos X24 24TB SATA is a 24TB SATA-6G HDD in new condition. It is in stock at $1,264.90 - $52.70/TB.

Where this listing sits: every 24TB hard drive · 24TB SATA drives · Seagate 24TB SATA — each page is the live ranking for that slice of the catalogue.

Part number: ST24000NM000H — decoded, with sibling variants and the warranty check.

Same capacity, other options
DriveInterfaceCond$/TBPrice
Seagate Exos X24 24TB Enterprise SATASATA-6GRefurb$31.85$764.50Buy on Amazon
Seagate Exos X24 24TBSATA-6GRefurb$33.29$798.99Buy on Amazon
WD Ultrastar 24TB SATA WUH722624ALE6L4SATA-6GRefurb$41.00$984.00Buy on Amazon
WD Red Pro 24TB WD241KFGXSATA-6GNew$54.86$1316.65Buy on Amazon

All 24TB drives we track, ranked by cost per terabyte.

Model context

CMR or SMR? What we can and cannot source for this part number

Part of the Seagate line we track.

Quick Verdict

The Seagate Exos X24 24TB SATA is a 24TB SATA-6G enterprise drive at $52.70/TB - Verify recording technology before use in RAID. New unit with full 5-year warranty.

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Specifications

Capacity24TB
Form Factor3.5"
InterfaceSATA-6G
Recording Tech—
RPM7200
Cache512MB
Sector Size512e
Workload Rating550TB/yr
Warranty5 years
ASINB0CNSZ1B5B
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 18% of them (42 of 236). The cheapest we can currently buy is $14.99/TB; the middle of the market is $38.22/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 24TB drive we track →Cheapest per terabyte, all categories →Category price trends →
How it compares - 24TB SATA-6G
#1Seagate Exos X24 24TB Enterprise SATA
$31.85/TB
#2Seagate Exos X24 24TB
$33.29/TB
#3WD Ultrastar 24TB SATA WUH722624ALE6L4
$41.00/TB
#4Seagate Exos X24 24TB SATATHIS DRIVE
$52.70/TB
#5WD Red Pro 24TB WD241KFGX
$54.86/TB

Also appears in

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SATA hard drives
Price per terabyte
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Frequently Asked Questions

Yes. At our last check it was $1,264.90 ($52.70 per terabyte at its 24TB capacity), sold new under ASIN B0CNSZ1B5B. Amazon sets the final price at checkout.

This listing (ST24000NM000H, ASIN B0CNSZ1B5B) 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 5 years, as the listing states it.

Use Case Scenarios

🏠
Home & SMB NAS
Building a high-capacity 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
24TB 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 24TB per drive, a 60-bay JBOD delivers 1440TB 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 12 hours for 24TB. 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 24TB 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.