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WD WD vs Western Digital WD

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

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Our Recommendation
👑
Western Digital WD Purple 8TB WD81PURZ

Western Digital WD Purple 8TB WD81PURZ balances price ($61.39/TB), warranty (3 years), and 180TB/yr workload rating for the best overall value.

Best $/TB: WD
Best Warranty: Western Digital
Best for RAID: WD
Full Specification Comparison
Spec
WD
WD Red Plus 8TB WD80EFBX
$56.25/TB
Western Digital
WD Purple 8TB WD81PURZ
$61.39/TB
Brand
WD
Western Digital
Model
WD Red Plus 8TB WD80EFBX
WD Purple 8TB WD81PURZ
Series
WD Red Plus
WD Purple
Part Number
WD80EFBX
WD81PURZ
$/TB
👑$56.25
$61.39
Price
$450.00
$491.13
Condition
New
New
Capacity
8TB
8TB
Interface
SATA-6G
SATA-6G
Form Factor
3.5"
3.5"
Drive Type
HDD
HDD
Recording Tech
CMR
—
RPM
N/A (SSD)
5,400
Cache
—
256MB
Sector Size
—
—
Workload Rating
—
180TB/yr
DWPD
N/A
N/A
Warranty
—
3 years
Workload Tier
—
—
In Stock
Check
✓ In Stock
Buy
Buy on Amazon →
Buy on Amazon →
Workload Fit
Workload
WD
Western Digital
NAS Storage
●●●
●●●
Backup Target
●●●
●●●
OLTP Database
●
●
Cold Archive
●●
●●
Virtualization
●
●
AI/ML Storage
●
●
Buying Recommendation
Choose WD WD Red Plus 8TB WD80EFBX 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 WD →
Choose Western Digital WD Purple 8TB WD81PURZ if:
  • ✓ You need 3-year warranty coverage for production
  • ✓ You need new-with-warranty for compliance or budgeting
Buy Western Digital →

Frequently Asked Questions

WD WD offers better value at $56.25/TB vs $61.39/TB - a 8% 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.

Western Digital WD carries a longer 3-year warranty vs unknown years for WD WD. Both are enterprise-grade drives built for 24/7 operation.

WD WD 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.