What the reviews support
The 2TB review evidence supports a fast gaming drive, not a promise that every game loads faster.
Tom’s HardwareTech AdvisorStorage & NAS / Review roundup
WD_BLACK SN850X 2TB
2TB M.2 NVMe, without heatsink
Roundup updated 2026-10-03 · 2 assessment sources
What reviewers found
A straightforward high-performance gaming SSD
The 2TB SN850X and Samsung 990 Pro are close enough in purpose that price and cooling requirements deserve more attention than peak transfer rates. Check whether you are buying the bare drive or heatsink version. A PS5 installation needs suitable cooling, and results for other capacities do not automatically describe this 2TB model.
A roundup of published reviews; we haven’t tested this product. How we work
At a glance
Good for
Gaming and general high-performance PCIe 4.0 storage
The catch
A fast specification does not guarantee better game loading
Where to buy
Current prices are available at the retailer.Check price at Amazon Product search
Affiliate links · We may earn a commission.
Strengths and limitations
Pros
- Fast 2TB PCIe 4.0 storage
- Optional heatsink variant available separately
Cons
- Cooling still matters
- No universal gaming-speed advantage
In depth
What changes the experience
Do not substitute results for the 8TB model or a differently cooled version.
Tom’s HardwareTech AdvisorBefore you buy
Check the device’s space, interface and cooling; a PS5 installation needs appropriate heat dissipation.
Tom’s HardwareTech AdvisorReview observations
What reviewers reported in use; these are qualitative observations, not benchmark scores.
Review observation · Reported review observation
Qualitative findingTom’s Hardware finds the SN850X a capable competitor among premium PCIe 4.0 drives; the conclusion applies to its reviewed capacity.
Tom’s HardwareSpecifications
Check the configuration: memory, storage and cooling can vary between models.
Hardware & configuration
- Capacity
- 2 TB
- Form factor
- M.2 2280
- Interface
- PCIe 4.0 ×4
- Protocol
- NVMe
- Flash family
- TLC
- DRAM cache
- Present
Features & compatibility
- Heatsink
- Not included in selected variant
- Sequential read claim
- Up to 7,300 MB/s
- Sequential write claim
- Up to 6,600 MB/s
- Endurance claim
- 1,200 TBW for 2TB
- Limited warranty
- Five years or endurance limit; check regional terms
Still unknown
- No long-term failure-rate comparison included.
Published reviews & comparisons
Tom’s Hardware · Review ·
WD_BLACK SN850X 2TB review ↗
The 2TB SN850X is a capable high-performance PCIe 4.0 drive. Gaming branding does not establish gains in every game.
Test scope
2TB SN850X performance and Game Mode context
Publisher group: Future
Tech Advisor ·
Tech Advisor review ↗
The 2TB sample performs well, with value dependent on its price against competing drives.
Test scope
2TB sample; performance and value
Publisher group: Foundry
Alternatives to consider
ModelChoose it forThe catchCompare
Samsung 9100 Pro 2TB2 reviewsFor sustained transfers on a machine with a proper Gen5 slot and cooling.Gen5 hardware and cooling needed; Little benefit for many ordinary workloadsCompare →
Samsung 990 PRO 2TB3 reviewsA mature high-performance PCIe 4.0 desktop or laptop SSDA premium SSD may add little to ordinary loading timesCompare →
WD_BLACK SN8100 2TB2 reviewsCompare this with the 9100 Pro for a demanding Gen5 workstation.Premium price for ordinary workloads; Cooling and slot compatibility matterCompare →