DatacenterDisk
Seagate

Seagate IronWolf 4TB NAS ST4000VN008

ST4000VN008
IronWolfnasCMR4TBSATA-6G3.5"
$45.00/TB
$179.99
REFURBIn Stock
Price updated
Aug 4, 2026, 09:00 AM
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Quick Verdict

The Seagate IronWolf 4TB NAS ST4000VN008 is a 4TB SATA-6G enterprise drive at $45.00/TB - 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

Capacity4TB
Form Factor3.5"
InterfaceSATA-6G
Recording TechCMR
RPM—
Cache256MB
Sector Size—
Workload Rating180TB/yr
Warranty3 years
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How it compares - 4TB SATA-6G
#1WD Ultrastar 7K4000 4TB SATA NAS
$27.00/TB
#2Seagate ST4000NM0033 4TB SATA Enterprise
$28.50/TB
#3Seagate IronWolf 4TB NAS ST4000VN006
$34.88/TB
#4Seagate IronWolf 4TB NAS
$41.46/TB
#5Seagate ST4000NM0033 4TB SATA Enterprise
$44.75/TB

Compare to similar 4TB SATA-6G drives

WD
Ultrastar 7K4000 4TB SATA NAS
$27.00/TB
$108.00
REFURB
Seagate
ST4000NM0033 4TB SATA Enterprise
$28.50/TB
$114.00
new
Seagate
IronWolf 4TB NAS ST4000VN006
$34.88/TB
$139.50
REFURB
Seagate
IronWolf 4TB NAS
$41.46/TB
$165.83
REFURB
Seagate
ST4000NM0033 4TB SATA Enterprise
$44.75/TB
$179.00
REFURB

Frequently Asked Questions

Yes. The IronWolf 4TB NAS ST4000VN008 uses CMR recording which is fully compatible with all RAID levels. It is rated for 180TB/year workload.

3-year manufacturer warranty. This listing is a refurbished/renewed unit - verify seller warranty before purchase.

Compatible with any server, NAS or workstation with a SATA port. Works in Synology, QNAP, TrueNAS, UnRAID and all major NAS platforms.

Use Case Scenarios

🏠
Home & SMB NAS
Building a mid-range NAS for media, backups and file sharing.
✓ Excellent 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
4TB 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 2 hours for 4TB. 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 4TB 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.