DatacenterDisk

Seagate IronWolf vs WD WD

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

+ Add driveShare comparison
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: Seagate
Full Specification Comparison
Spec
Seagate
IronWolf 6TB SATA NAS
$28.33/TB
WD
WD Purple 6TB WD60PURZ
$52.50/TB
Brand
Seagate
WD
Model
IronWolf 6TB SATA NAS
WD Purple 6TB WD60PURZ
Series
IronWolf
WD Purple
Part Number
ST6000VN001
WD60PURZ
$/TB
👑$28.33
$52.50
Price
$169.99
$315.00
Condition
New
New
Capacity
6TB
6TB
Interface
SATA-6G
SATA-6G
Form Factor
3.5"
3.5"
Drive Type
HDD
HDD
Recording Tech
CMR
—
RPM
7,200
5,400
Cache
128MB
64MB
Sector Size
512e
—
Workload Rating
👑180TB/yr
👑180TB/yr
DWPD
N/A
N/A
Warranty
👑3 years
👑3 years
Workload Tier
nearline
—
In Stock
Check
✓ In Stock
Buy
Buy on Amazon →
Buy on Amazon →
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're building a RAID array and need guaranteed CMR compatibility
  • ✓ You need new-with-warranty for compliance or budgeting
Buy Seagate →
Choose WD WD Purple 6TB WD60PURZ if:
  • ✓ You need 3-year warranty coverage for production
  • ✓ You need new-with-warranty for compliance or budgeting
Buy WD →

Frequently Asked Questions

Seagate IronWolf offers better value at $28.33/TB vs $52.50/TB - a 46% 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.