Seagate IronWolf vs WD Red

Side-by-side spec and price comparison. Live data from Amazon US.

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Our Recommendation
👑
Seagate IronWolf 6TB SATA NAS

Seagate IronWolf 6TB SATA NAS offers the best value at $28.33/TB. Available new with manufacturer warranty.

Best $/TB: Seagate
Best Warranty: WD
Best for RAID: WD
Full Specification Comparison
Spec
Seagate
IronWolf 6TB SATA NAS
$28.33/TB
WD
Red Plus 6TB NAS
$59.78/TB
Brand
Seagate
WD
Model
IronWolf 6TB SATA NAS
Red Plus 6TB NAS
Series
IronWolf
WD Red Plus
Part Number
ST6000VN001
WD60EFRX
$/TB
👑$28.33
$59.78
Price
$169.99
$358.68
Condition
New
New
Capacity
6TB
6TB
Interface
SATA-6G
SATA-6G
Form Factor
3.5"
3.5"
Drive Type
HDD
HDD
Recording Tech
CMR
CMR
RPM
7,200
5,400
Cache
128MB
64MB
Sector Size
512e
512e
Workload Rating
👑180TB/yr
👑180TB/yr
DWPD
N/A
N/A
Warranty
👑3 years
👑3 years
Workload Tier
nearline
nearline
In Stock
✓ In Stock
✓ In Stock
Workload Fit
Workload
Seagate
WD
NAS Storage
●●●
●●●
Backup Target
●●●
●●●
OLTP Database
Cold Archive
Virtualization
AI/ML Storage
Buying Recommendation
Choose Seagate IronWolf 6TB SATA NAS if:
  • You need maximum storage per dollar
  • You need new-with-warranty for compliance or budgeting
Buy Seagate
Choose WD Red Plus 6TB NAS if:
  • You need 3-year warranty coverage for production
  • You're building a RAID array and need guaranteed CMR compatibility
  • You need new-with-warranty for compliance or budgeting
Buy WD

Frequently Asked Questions

Seagate IronWolf offers better value at $28.33/TB vs $59.78/TB - a 53% price difference. Factor in warranty length and workload rating when the price gap is small.

Mixing drives of different models in RAID is not recommended even if capacities match. Different firmware, error handling and seek patterns can cause rebuild issues. Use identical drives within the same RAID group for reliable operation.

Both drives carry 3-year warranties and are built for enterprise operation. Check brand-specific AFR data and Backblaze drive stats for real-world failure rate comparisons.

Seagate IronWolf is the better fit for NAS storage. It uses CMR recording which is safe for all RAID levels. SATA interface is compatible with all NAS platforms including Synology, QNAP and TrueNAS.

Seagate IronWolf vs WD Red - Comparison | DatacenterDisk