DatacenterDisk

WD Ultrastar vs Western Digital WD

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

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Our Recommendation
👑
WD Ultrastar 24TB SATA WUH722424ALE604

WD Ultrastar 24TB SATA WUH722424ALE604 wins on both price ($27.88/TB) and warranty (5 years).

Best $/TB: WD
Best Warranty: Western Digital
Best for RAID: Western Digital
Full Specification Comparison
Spec
WD
Ultrastar 24TB SATA WUH722424ALE604
$27.88/TB
Western Digital
WD Purple Pro 24TB WD241PURP
$44.17/TB
Brand
WD
Western Digital
Model
Ultrastar 24TB SATA WUH722424ALE604
WD Purple Pro 24TB WD241PURP
Series
Ultrastar HC580
WD Purple Pro
Part Number
WUH722424ALE604
WD241PURP
$/TB
👑$27.88
$44.17
Price
$669.00
$1059.99
Condition
Refurb
New
Capacity
24TB
24TB
Interface
SATA-6G
SATA-6G
Form Factor
3.5"
3.5"
Drive Type
HDD
HDD
Recording Tech
CMR
CMR
RPM
7,200
7,200
Cache
512MB
512MB
Sector Size
512e
—
Workload Rating
👑550TB/yr
👑550TB/yr
DWPD
N/A
N/A
Warranty
👑5 years
👑5 years
Workload Tier
nearline
—
In Stock
✓ In Stock
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Workload Fit
Workload
WD
Western Digital
NAS Storage
●●●
●●●
Backup Target
●●●
●●●
OLTP Database
●
●
Cold Archive
●●●
●●●
Virtualization
●
●
AI/ML Storage
●●
●●
Buying Recommendation
Choose WD Ultrastar 24TB SATA WUH722424ALE604 if:
  • ✓ You need maximum storage per dollar
  • ✓ Your server runs 24/7 under heavy sustained load
  • ✓ You're comfortable with datacenter refurb to maximize savings
  • ✓ You need high-density storage for bulk/archive workloads
Buy WD →
Choose Western Digital WD Purple Pro 24TB WD241PURP if:
  • ✓ You need 5-year warranty coverage for production
  • ✓ You're building a RAID array and need guaranteed CMR compatibility
  • ✓ Your server runs 24/7 under heavy sustained load
  • ✓ You need new-with-warranty for compliance or budgeting
Buy Western Digital →

Frequently Asked Questions

WD Ultrastar offers better value at $27.88/TB vs $44.17/TB - a 37% 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 5-year warranties and are built for enterprise operation. Check brand-specific AFR data and Backblaze drive stats for real-world failure rate comparisons.

WD Ultrastar 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.