DatacenterDisk

HGST HUS724030ALS640 vs HGST Ultrastar

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

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Our Recommendation
👑
HGST Ultrastar HUS723030ALS640 3TB SAS 6G

HGST Ultrastar HUS723030ALS640 3TB SAS 6G offers the best value at $17.67/TB. As a refurb unit, verify SMART data on arrival.

Best $/TB: HGST
Best Warranty: HGST
Best for RAID: HGST
Full Specification Comparison
Spec
HGST
HUS724030ALS640 3TB SAS 6G
$33.00/TB
HGST
Ultrastar HUS723030ALS640 3TB SAS 6G
$17.67/TB
Brand
HGST
HGST
Model
HUS724030ALS640 3TB SAS 6G
Ultrastar HUS723030ALS640 3TB SAS 6G
Series
Ultrastar
Ultrastar
Part Number
HUS724030ALS640
HUS723030ALS640
$/TB
$33.00
👑$17.67
Price
$99.00
$53.00
Condition
New
Refurb
Capacity
3TB
3TB
Interface
SAS-6G
SAS-6G
Form Factor
3.5"
3.5"
Drive Type
HDD
HDD
Recording Tech
CMR
CMR
RPM
7,200
7,200
Cache
—
—
Sector Size
512n
512n
Workload Rating
—
—
DWPD
N/A
N/A
Warranty
—
—
Workload Tier
nearline
nearline
In Stock
✓ In Stock
Check
Buy
Buy on Amazon →
Buy on Amazon →
Workload Fit
Workload
HGST
HGST
NAS Storage
●●
●●
Backup Target
●●●
●●●
OLTP Database
●
●
Cold Archive
●
●
Virtualization
●
●
AI/ML Storage
●
●
Buying Recommendation
Choose HGST HUS724030ALS640 3TB SAS 6G if:
  • ✓ You need new-with-warranty for compliance or budgeting
Buy HGST →
Choose HGST Ultrastar HUS723030ALS640 3TB SAS 6G if:
  • ✓ You need maximum storage per dollar
  • ✓ You're building a RAID array and need guaranteed CMR compatibility
  • ✓ You're comfortable with datacenter refurb to maximize savings
Buy HGST →

Frequently Asked Questions

HGST Ultrastar offers better value at $17.67/TB vs $33.00/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 similar warranty terms and are built for enterprise operation. Check brand-specific AFR data and Backblaze drive stats for real-world failure rate comparisons.

HGST HUS724030ALS640 is the better fit for NAS storage. It uses CMR recording which is safe for all RAID levels. SAS interface requires a SAS HBA or SAS-capable NAS.

HGST HUS724030ALS640 vs HGST Ultrastar - Comparison | DatacenterD