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WD Ultrastar 6TB SATA

Ultrastar 6TB SATA
Ultrastar HC310nearline6TBSATA-6G3.5"
No current price
REFURBNot available
This offer: sold by Calmzy LLC · Amazon says New / New · title says Renewed
Price updated
Price accurate as of Nov 14, 2026, 12:00 AM
No current offer

The WD Ultrastar 6TB SATA is a 6TB 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 6TB

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 6TB SAS 12G 7200RPM
MD6TSAS12872E
6TBSAS-12G—REFURB$25.00$150Buy on Amazon
Seagate SkyHawk 6TB ST6000VX0023
ST6000VX0023
6TBSATA-6G—REFURB$28.33$170Buy on Amazon
WD Purple 6TB WD60PURZ
WD60PURZ
6TBSATA-6G—REFURB$28.33$170Buy on Amazon
Western Digital WD80PURZ
WD Purple 8TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80PURZ (Renewed)
8TBSATA—REFURB$43.75$350Buy on Amazon
WD Red Plus 8TB WD80EFBX
WD80EFBX
8TBSATA-6G—REFURB$43.75$350Buy on Amazon
WD Red Plus 4TB WD40EFZX
WD40EFZX
4TBSATA-6G—REFURB$43.75$175Buy on Amazon

Where this listing sits: every 6TB hard drive · 6TB SATA drives · WD 6TB SATA — each page is the live ranking for that slice of the catalogue.

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
Seagate SkyHawk 6TB ST6000VX0023SATA-6GRefurb$28.33$169.99Buy on Amazon
WD Purple 6TB WD60PURZSATA-6GRefurb$28.33$169.99Buy on Amazon
Seagate BarraCuda 6TB ST6000DM003SATA-6GRefurb$28.33$169.99Buy on Amazon
MDD 6TB SATA 6G 7200RPM 128MB EnterpriseSATA-6GRefurb$30.00$179.99Buy on Amazon

All 6TB drives we track, ranked by cost per terabyte.

Model context

Part of the WD line we track.

Quick Verdict

The WD Ultrastar 6TB SATA is a 6TB SATA-6G enterprise drive - Verify recording technology before use in RAID. As a refurbished unit, run SMART diagnostics on arrival and verify power-on hours.

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Specifications

Capacity6TB
Form Factor3.5"
InterfaceSATA-6G
Recording Tech—
RPM7200
Cache—
Sector Size—
Workload Rating—
Warranty—
ASINB0845SMQJJ
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 6TB drive we track →Cheapest per terabyte, all categories →Category price trends →
How it compares - 6TB SATA-6G
#1Seagate SkyHawk 6TB ST6000VX0023
$28.33/TB
#2Seagate IronWolf 6TB NAS ST6000VN001
$46.67/TB
#3Seagate IronWolf 6TB NAS ST6000VN0041
$51.50/TB
#4WD Red Pro 6TB WD6005FFBX
$61.03/TB
#5WD Ultrastar 6TB SATATHIS DRIVE
Out of stock

Also appears in

SATA hard drives

Frequently Asked Questions

Not right now: Amazon shows no current offer for ASIN B0845SMQJJ. The in-stock alternatives nearest its 6TB capacity are on this page, ranked by live price.

The listing's own title says "renewed" for the Ultrastar 6TB SATA. That is the seller's claim; we store it verbatim and the warranty is the reseller's, not the manufacturer's.

Use Case Scenarios

🏠
Home & SMB NAS
Building a mid-range NAS for media, backups and file sharing.
✓ Excellent fit
Verify CMR recording before using in RAID. Refurb units offer strong value for non-critical NAS.
💾
Backup Server / Veeam Target
Dedicated backup storage for Veeam, Commvault, or NetBackup.
✓ Excellent fit
6TB SATA drives are ideal for backup targets. SATA gives maximum $/TB for backup repositories.
🏗️
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. SATA is fine for single-host VM 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. 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 3 hours for 6TB. 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 WD 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 6TB 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.