DatacenterDisk

HGST HUS724030ALA640 vs Seagate SkyHawk

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

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Our Recommendation
👑
Seagate SkyHawk 3TB ST3000VX009

Seagate SkyHawk 3TB ST3000VX009 offers the best value at $34.00/TB. As a refurb unit, verify SMART data on arrival.

Best $/TB: Seagate
Best Warranty: Seagate
Best for RAID: Seagate
Full Specification Comparison
Spec
HGST
HUS724030ALA640 3TB SATA Enterprise
$73.33/TB
Seagate
SkyHawk 3TB ST3000VX009
$34.00/TB
Brand
HGST
Seagate
Model
HUS724030ALA640 3TB SATA Enterprise
SkyHawk 3TB ST3000VX009
Series
Ultrastar
SkyHawk
Part Number
HUS724030ALA640
ST3000VX009
$/TB
$73.33
👑$34.00
Price
$220.00
$101.99
Condition
New
Refurb
Capacity
3TB
3TB
Interface
SATA-6G
SATA-6G
Form Factor
3.5"
3.5"
Drive Type
HDD
HDD
Recording Tech
CMR
CMR
RPM
7,200
N/A (SSD)
Cache
—
256MB
Sector Size
512n
—
Workload Rating
—
180TB/yr
DWPD
N/A
N/A
Warranty
—
3 years
Workload Tier
nearline
—
In Stock
✓ In Stock
✓ In Stock
Buy
Buy on Amazon →
Buy on Amazon →
Workload Fit
Workload
HGST
Seagate
NAS Storage
●●●
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Backup Target
●●●
●●●
OLTP Database
●
●
Cold Archive
●
●
Virtualization
●
●
AI/ML Storage
●
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Buying Recommendation
Choose HGST HUS724030ALA640 3TB SATA Enterprise if:
  • ✓ You need new-with-warranty for compliance or budgeting
Buy HGST →
Choose Seagate SkyHawk 3TB ST3000VX009 if:
  • ✓ You need maximum storage per dollar
  • ✓ You need 3-year warranty coverage for production
  • ✓ You're building a RAID array and need guaranteed CMR compatibility
  • ✓ You're comfortable with datacenter refurb to maximize savings
Buy Seagate →

Frequently Asked Questions

Seagate SkyHawk offers better value at $34.00/TB vs $73.33/TB - a 54% 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.

Seagate SkyHawk carries a longer 3-year warranty vs unknown years for HGST HUS724030ALA640. Both are enterprise-grade drives built for 24/7 operation.

HGST HUS724030ALA640 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.