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Seagate

Seagate Exos X24 24TB Enterprise SATA

ST24000NM002H
Exos XnearlineCMR24TBSATA-6G3.5"
No current price
REFURBNot available
This offer: sold by Amazon Resale · Amazon says Used / VeryGood · Amazon Resale's note: No item damage observed during inspection. Item may not come in original packaging.
Price updated
Price accurate as of Oct 31, 2026, 03:49 PM
No current offer

The Seagate Exos X24 24TB Enterprise SATA is a 24TB SATA-6G HDD in used condition. It has no current offer on Amazon. The in-stock alternatives nearest its capacity are listed below.

In stock instead - nearest to 24TB

6 in-stock listings · this listing has no current offer on Amazon · ranked by live cost per tb, refreshed about once a day

DriveCapacityInterfaceRecordingCondition$/TBPrice
MDD 14TB SATA 6G 7200RPM 256MB Enterprise
MDD14TSATA25672E
14TBSATA-6G—REFURB$25.71$360Buy on Amazon
WD Ultrastar 14TB SAS WUH721414AL5204
WUH721414AL5204
14TBSAS-12G—REFURB$26.36$369Buy on Amazon
WD Ultrastar 14TB SATA WUH721414ALE604
WUH721414ALE604
14TBSATA-6G—REFURB$27.14$380Buy on Amazon
WD Ultrastar 14TB SATA WUH721414ALE604
WUH721414ALE604
14TBSATA-6G—REFURB$27.86$390Buy on Amazon
WD Ultrastar 14TB SATA WUH721414ALE604
WUH721414ALE604
14TBSATA-6G—REFURB$29.29$410Buy on Amazon
WD Ultrastar 14TB SAS
WUH721414AL5204
14TBSAS-12G—REFURB$30.00$420Buy on Amazon

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: ST24000NM002H — decoded, with sibling variants and the warranty check.

This is a refurbished or recertified listing

Recertified enterprise drives are pulled from datacentre fleets, tested and resold. They are usually the cheapest route to bulk capacity, and the risk is concentrated in the first weeks - so check SMART data the day it arrives rather than the day you need it. What recertified means · Refurbished warranty terms · Verify on arrival

Same capacity, other options
DriveInterfaceCond$/TBPrice
WD Ultrastar 24TB SATA WUH722424ALE604SATA-6GRefurb$32.46$779.00Buy on Amazon
Seagate Exos X24 24TBSATA-6GRefurb$32.92$789.99Buy on Amazon
WD Ultrastar 24TB SATA WUH722624ALE6L4SATA-6GRefurb$41.00$984.00Buy on Amazon
Seagate BarraCuda 24TB ST24000DM001SATA-6GNew$45.83$1099.95Buy 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 Enterprise SATA is a 24TB SATA-6G enterprise drive - 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

Capacity24TB
Form Factor3.5"
InterfaceSATA-6G
Recording TechCMRnot sourced
RPM7200
Cache512MB
Sector Size512e
Workload Rating550TB/yr
Warranty5 years
ASINB0CM293XCL
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 24TB drive we track →Cheapest per terabyte, all categories →Category price trends →
How it compares - 24TB SATA-6G
#1WD Ultrastar 24TB SATA WUH722624ALE6L4
$41.00/TB
#2Seagate BarraCuda 24TB ST24000DM001
$45.83/TB
#3WD Red Pro 24TB WD241KFGX
$54.66/TB
#4WD Purple Pro 24TB WD241PURP
$59.54/TB
#5Seagate Exos X24 24TB Enterprise SATATHIS DRIVE
Out of stock

Works in these NAS machines

QNAP TS-673A
Vendor-listed
On QNAP's TS-673A list as Enterprise EXOS X24 ST24000NM002H
TerraMaster (32 machines)
Vendor-listed
On TerraMaster's list - Applicable, not recommended
Asustor (15 NAS series)
Vendor-listed
On Asustor's list as Exos X24 ST24000NM002H
UniFi UNAS / UNVR
Fit-verified
Meets Ubiquiti's written 1TB+ CMR requirement; check the 7200RPM clause

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

Frequently Asked Questions

Not right now: Amazon shows no current offer for ASIN B0CM293XCL. The in-stock alternatives nearest its 24TB capacity are on this page, ranked by live price.

Amazon reports this listing (ST24000NM002H) as used, and its title makes no renewed or recertified claim, so the unit's origin is whatever the seller's note says - shown beside the price. The stored warranty on this row is 5 years, as the listing states it.

The ST24000NM002H's stored recording technology is CMR (manufacturer-sourced), which rebuilds predictably in RAID. The row carries a 550TB/year workload rating.

Use Case Scenarios

🏠
Home & SMB NAS
Building a high-capacity NAS for media, backups and file sharing.
~ Good 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
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. 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 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.