DatacenterDisk

HGST Ultrastar vs WD Ultrastar

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

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Our Recommendation
👑
HGST Ultrastar He10 10TB SATA NAS

HGST Ultrastar He10 10TB SATA NAS balances price ($47.45/TB), warranty (5 years), and enterprise reliability for the best overall value.

Best $/TB: WD
Best Warranty: HGST
Best for RAID: WD
Full Specification Comparison
Spec
HGST
Ultrastar He10 10TB SATA NAS
$47.45/TB
WD
Ultrastar 10TB SATA HUH721010ALE600
$37.90/TB
Brand
HGST
WD
Model
Ultrastar He10 10TB SATA NAS
Ultrastar 10TB SATA HUH721010ALE600
Series
Ultrastar He
Ultrastar HC510
Part Number
HUH721010ALE600
HUH721010ALE600
$/TB
$47.45
👑$37.90
Price
$474.45
$379.00
Condition
New
New
Capacity
10TB
10TB
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
—
256MB
Sector Size
512e
512e
Workload Rating
—
—
DWPD
N/A
N/A
Warranty
5 years
—
Workload Tier
nearline
nearline
In Stock
✓ In Stock
✓ In Stock
Buy
Buy on Amazon →
Buy on Amazon →
Workload Fit
Workload
HGST
WD
NAS Storage
●●●
●●●
Backup Target
●●●
●●●
OLTP Database
●
●
Cold Archive
●●
●●
Virtualization
●
●
AI/ML Storage
●
●
Buying Recommendation
Choose HGST Ultrastar He10 10TB SATA NAS if:
  • ✓ You need 5-year warranty coverage for production
  • ✓ You need new-with-warranty for compliance or budgeting
Buy HGST →
Choose WD Ultrastar 10TB SATA HUH721010ALE600 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 →

Frequently Asked Questions

WD Ultrastar offers better value at $37.90/TB vs $47.45/TB - a 20% 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.

HGST Ultrastar carries a longer 5-year warranty vs unknown years for WD Ultrastar. Longer warranty typically correlates with manufacturer confidence in reliability.

HGST 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.