Seagate

Seagate ST3000NM0023 3TB SAS 6G 7.2K

ST3000NM0023
EnterprisenearlineCMR3TBSAS-6G3.5"
$23.00/TB
$69.00
newIn Stock
Price updated
Price accurate as of Sep 2, 2026, 05:31 PM
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The Seagate ST3000NM0023 3TB SAS 6G 7.2K is a 3TB SAS-6G HDD in new condition. It is in stock at $69.00 - $23.00/TB.

Part number: ST3000NM0023 — decoded, with sibling variants and the warranty check.

Before you buy: this is a SAS drive

SAS drives do not plug into a normal SATA motherboard port. You need a SAS host bus adapter or a backplane that speaks SAS - an LSI/Broadcom HBA in IT mode is the usual answer. A SATA drive will run on a SAS controller, but not the other way round. HBA and IT-mode guide

Same capacity, other options
DriveInterfaceCond$/TBPrice
HGST HUS724030ALS640 3TB SAS 6GSAS-6GRefurb$15.13$45.39Buy
Seagate Constellation ES.2 3TB SAS EnterpriseSAS-6GRefurb$16.00$48.00Buy
Seagate Constellation ES.2 3TB SASSAS-6GRefurb$17.00$51.00Buy
HGST Ultrastar HUS723030ALS640 3TB SAS 6GSAS-6GRefurb$17.00$51.00Buy

All 3TB drives we track, ranked by cost per terabyte.

Model context

Part of the Seagate line we track.

Quick Verdict

The Seagate ST3000NM0023 3TB SAS 6G 7.2K is a 3TB SAS-6G enterprise drive at $23.00/TB - CMR recording makes it safe for all RAID levels and NAS deployments. New unit with full manufacturer warranty.

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Specifications

Capacity3TB
Form Factor3.5"
InterfaceSAS-6G
Recording TechCMR
RPM7200
Cache
Sector Size512n
Workload Rating
Warranty
ASINB07HGJL8TH
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 93% of them (226 of 244). The cheapest we can currently buy is $14.99/TB; the middle of the market is $36.15/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 3TB drive we track →Cheapest per terabyte, all categories →Category price trends →
How it compares - 3TB SAS-6G
#1HGST HUS724030ALS640 3TB SAS 6G
$15.13/TB
#2Seagate Constellation ES.2 3TB SAS Enterprise
$16.00/TB
#3Seagate Constellation ES.2 3TB SAS
$17.00/TB
#4HGST Ultrastar HUS723030ALS640 3TB SAS 6G
$17.00/TB
#5Seagate 3TB Enterprise Capacity SAS 6G
$17.98/TB

Frequently Asked Questions

Yes. The ST3000NM0023 3TB SAS 6G 7.2K uses CMR recording which is fully compatible with all RAID levels.

Warranty varies by seller. Check the Amazon listing for current warranty terms.

Compatible with any server or workstation equipped with a SAS HBA or SAS backplane. Tested with Dell PowerEdge, HPE ProLiant, Supermicro and IBM System x platforms.

Use Case Scenarios

🏠
Home & SMB NAS
Building a mid-range NAS for media, backups and file sharing.
~ Good 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
3TB SAS drives are ideal for backup targets. Dual-port SAS suits dual-path backup infrastructure.
🏗️
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. SAS dual-port suits HA cluster shared 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 2 hours for 3TB. 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 3TB per drive, budget for replacements before failures occur.

Troubleshooting Guide

Cause: HBA not initialized, SAS expander issue, cable fault, or incompatible controller.
Fix: Verify HBA firmware. Check SAS topology with sas2ircu or StorCLI. Test with known-good cable. Confirm drive is SAS not SATA.