DatacenterDisk

Seagate BarraCuda vs WD Ultrastar

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

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Our Recommendation
👑
Seagate BarraCuda 24TB ST24000DM001

Seagate BarraCuda 24TB ST24000DM001 offers the best value at $31.21/TB. Available new with manufacturer warranty.

Best $/TB: Seagate
Best Warranty: WD
Best for RAID: WD
Full Specification Comparison
Spec
Seagate
BarraCuda 24TB ST24000DM001
$31.21/TB
WD
Ultrastar 24TB SATA WUH722424ALE6L4
$33.29/TB
Brand
Seagate
WD
Model
BarraCuda 24TB ST24000DM001
Ultrastar 24TB SATA WUH722424ALE6L4
Series
BarraCuda
Ultrastar HC580
Part Number
ST24000DM001
WUH722424ALE6L4
$/TB
👑$31.21
$33.29
Price
$749.00
$799.00
Condition
New
Refurb
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
—
—
DWPD
N/A
N/A
Warranty
—
—
Workload Tier
desktop
nearline
In Stock
✓ In Stock
✓ In Stock
Buy
Buy on Amazon →
Buy on Amazon →
Workload Fit
Workload
Seagate
WD
NAS Storage
●●●
●●●
Backup Target
●●●
●●●
OLTP Database
●
●
Cold Archive
●●●
●●●
Virtualization
●
●
AI/ML Storage
●●
●●
Buying Recommendation
Choose Seagate BarraCuda 24TB ST24000DM001 if:
  • ✓ You need maximum storage per dollar
  • ✓ You need new-with-warranty for compliance or budgeting
  • ✓ You need high-density storage for bulk/archive workloads
Buy Seagate →
Choose WD Ultrastar 24TB SATA WUH722424ALE6L4 if:
  • ✓ You're building a RAID array and need guaranteed CMR compatibility
  • ✓ You're comfortable with datacenter refurb to maximize savings
  • ✓ You need high-density storage for bulk/archive workloads
Buy WD →

Frequently Asked Questions

Seagate BarraCuda offers better value at $31.21/TB vs $33.29/TB - a 6% 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.

Seagate BarraCuda 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.