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Samsung 990 Pro 2TB vs WD Black SN850X 1TB

Detailed comparison of Samsung 990 Pro 2TB and WD Black SN850X 1TB. Compare specs, price, pros & cons to find which is best for you.

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Quick Verdict

The Samsung 990 Pro 2TB is our top pick with a 4.7★ rating (12,340 reviews). Standout strength: blazing fast speeds. The WD Black SN850X 1TB counters with great value for speed. Price difference: £70.

Full Spec Comparison

Samsung

Samsung 990 Pro 2TB

£149Best Pick
VS
Western Digital

WD Black SN850X 1TB

£79
Rating
★★★★4.7
★★★★4.6
Reviews
12,340
8,760
Brand
Samsung
Western Digital
capacity
2TB
1TB
interface
PCIe 4.0 x4 NVMe
PCIe 4.0 x4 NVMe
read
7,450 MB/s
7,300 MB/s
write
6,900 MB/s
6,300 MB/s
endurance
1,200 TBW
600 TBW
form
M.2 2280
M.2 2280
Pros
Blazing fast speedsExcellent endurancePS5 compatibleHardware encryption
Great value for speedGame Mode 2.0Reliable WD qualityPS5 compatible
Cons
PCIe 4.0 not 5.0Heatsink version costs moreOverkill for general useSamsung tax
Runs warm without heatsink1TB fills fastPCIe 4.0 not 5.0Dashboard software basic

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Samsung 990 Pro 2TB

★★★★½4.7(12,340 reviews)
from£159RRP £1993 retailers
capacity2TB
interfacePCIe 4.0 x4 NVMe
read7,450 MB/s
Blazing fast speedsExcellent endurance
PCIe 4.0 not 5.0
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Top Rated
Western DigitalAI VerifiedAI Verified

WD Black SN850X 1TB

★★★★½4.6(8,760 reviews)
from£79$89
capacity1TB
interfacePCIe 4.0 x4 NVMe
read7,300 MB/s
Great value for speedGame Mode 2.0
Runs warm without heatsink
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Frequently Asked Questions

Which is better: Samsung 990 Pro 2TB or WD Black SN850X 1TB?

The Samsung 990 Pro 2TB edges ahead with a 4.7★ rating vs 4.6★.Blazing fast speeds. However, the WD Black SN850X 1TB wins on great value for speed. Your best choice depends on whether you prioritise pc-build or gaming.

Is the Samsung 990 Pro 2TB worth it over the WD Black SN850X 1TB?

The Samsung 990 Pro 2TB costs £149 while the WD Black SN850X 1TB is £79. The WD Black SN850X 1TB offers better value for money. Both are excellent for pc-build and ps5-storage.

Samsung 990 Pro 2TB vs WD Black SN850X 1TB — which should I buy in 2026?

Choose the Samsung 990 Pro 2TB if you prioritise blazing fast speeds. Choose the WD Black SN850X 1TB if you prioritise great value for speed. Both are top-rated in the storage category.

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