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Samsung SSD vs WD WD_Black

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

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Our Recommendation
👑
WD WD_Black SN8100 4TB NVMe SSD

WD WD_Black SN8100 4TB NVMe SSD wins on both price ($165.00/TB) and warranty (5 years).

Best $/TB: WD
Best Warranty: WD
Best for RAID: Samsung
Full Specification Comparison
Spec
Samsung
SSD 9100 PRO w/Heatsink 4TB
$241.75/TB
WD
WD_Black SN8100 4TB NVMe SSD
$165.00/TB
Brand
Samsung
WD
Model
SSD 9100 PRO w/Heatsink 4TB
WD_Black SN8100 4TB NVMe SSD
Series
—
—
Part Number
B0DX2FK3HX
B0F3B6MZM9
$/TB
$241.75
👑$165.00
Price
$967.00
$659.99
Condition
New
New
Capacity
4TB
4TB
Interface
NVMe-PCIe5
NVMe-PCIe5
Form Factor
M.2 2280
M.2 2280
Drive Type
PS5-SSD
PS5-SSD
Recording Tech
—
—
RPM
N/A (SSD)
N/A (SSD)
Cache
—
—
Sector Size
—
—
Workload Rating
—
—
DWPD
N/A
N/A
Warranty
👑5 years
👑5 years
Workload Tier
ps5
ps5
In Stock
✓ In Stock
✓ In Stock
Buy
Buy on Amazon →
Buy on Amazon →
Workload Fit
Workload
Samsung
WD
NAS Storage
○
○
Backup Target
●
●
OLTP Database
●●●
●●●
Cold Archive
●
●
Virtualization
●●●
●●●
AI/ML Storage
●●●
●●●
Buying Recommendation
Choose Samsung SSD 9100 PRO w/Heatsink 4TB if:
  • ✓ You need new-with-warranty for compliance or budgeting
Buy Samsung →
Choose WD WD_Black SN8100 4TB NVMe SSD if:
  • ✓ You need maximum storage per dollar
  • ✓ You need 5-year warranty coverage for production
  • ✓ You need new-with-warranty for compliance or budgeting
Buy WD →

Frequently Asked Questions

WD WD_Black offers better value at $165.00/TB vs $241.75/TB - a 32% 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.

Samsung SSD is the better fit for NAS storage.