Seagate

Seagate Constellation ES.2 3TB SAS Enterprise

ST33000650SS
Constellationnearline3TBSAS-6G3.5"
$29.34/TB
$88.02
newIn Stock
This offer: sold by iT Hardware · Amazon says New / Unknown · iT Hardware's note: Ships Same Day Priority. Came out from new NETGEAR ReadyDATA 4U Expansion Chassis EDA4000 due to upgrade. 1 year warranty.
Price updated
Price accurate as of Oct 22, 2026, 12:00 AM
Buy on Amazon

The Seagate Constellation ES.2 3TB SAS Enterprise is a 3TB SAS-6G HDD in new condition. It is in stock at $88.02 - $29.34/TB.

Where this listing sits: every 3TB hard drive · 3TB SAS drives · Seagate 3TB SAS — each page is the live ranking for that slice of the catalogue.

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
HP MB3000FBUCN 3TB SAS 6GSAS-6GRefurb$19.84$59.53Buy on Amazon
MDD 3TB SAS 6G 7200RPMSAS-6GRefurb$20.00$59.99Buy on Amazon
Seagate ST3000NM0023 3TB SAS 6G 7.2KSAS-6GNew$23.00$69.00Buy on Amazon
Seagate 3TB Enterprise Capacity SAS 6GSAS-6GRefurb$26.33$79.00Buy on Amazon

All 3TB 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 Constellation ES.2 3TB SAS Enterprise is a 3TB SAS-6G enterprise drive at $29.34/TB - Verify recording technology before use in RAID. New unit with full manufacturer warranty.

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Specifications

Capacity3TB
Form Factor3.5"
InterfaceSAS-6G
Recording Tech—
RPM7200
Cache—
Sector Size512n
Workload Rating550TB/yr
Warranty—
ASINB004TLVKLO
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 99% of them (239 of 241). The cheapest we can currently buy is $14.99/TB; the middle of the market is $37.50/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 EnterpriseTHIS DRIVE
$16.00/TB
#3Seagate ST3000NM0023 3TB SAS 6G 7.2K
$23.00/TB
#4Seagate 3TB Enterprise Capacity SAS 6G
$26.33/TB
#5HP 653959-001 3TB SAS 6G
$39.58/TB

Also appears in

Other pages
Price per terabyte
Prices and forecast
SAS hard drives
Recertified
Price trends
Head to head

Frequently Asked Questions

Yes. At our last check it was $88.02 ($29.34 per terabyte at its 3TB capacity), sold new under ASIN B004TLVKLO. Amazon sets the final price at checkout.

This listing (ST33000650SS, ASIN B004TLVKLO) 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.

Use Case Scenarios

🏠
Home & SMB NAS
Building a mid-range 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
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.