Lexar NM790 4TB vs WD Black SN850X 2TB
Winner
Value Comparison
How they compare across key dimensions
Lexar NM790 4TB WD Black SN850X
Lexar NM790 4TB is stronger at
Speed, Endurance, Capacity, Reliability, Value, Thermals
By how much
ReliabilityLexar NM790 4TB leads by 13
EnduranceLexar NM790 4TB leads by 9
ThermalsLexar NM790 4TB leads by 9
CapacityLexar NM790 4TB leads by 8
SpeedLexar NM790 4TB leads by 6
ValueLexar NM790 4TB leads by 6
Pros & Cons
Lexar NM790 4TB
Pros
- Strong fit for high-capacity game library and media storage
- Clear published specification target: PCIe 4.0, 4TB
- Cross-checked against respected specification and benchmark references
- Easy to compare against same-category alternatives by price, role, and build constraints
- Useful for buyers who want a practical recommendation rather than a single synthetic score
- Amazon direct link makes it easier to compare current sellers and variants before checkout
Cons
- Real-world speed depends on workload, drive fill level, motherboard slot wiring, and thermals
- Compatibility depends on PCIe generation and M.2 slot availability
- Pricing, bundles, and seller availability can change quickly on Amazon
- The best value can shift when nearby alternatives go on sale
- Back up important data regardless of drive rating
WD Black SN850X 2TB
Pros
- Strong fit for 2TB capacity
- Clear published specification target: PCIe 4.0 NVMe
- Cross-checked against respected SSD specification and benchmark references
- Easy to compare against same-category alternatives by price, role, and build constraints
- Useful for buyers who want a practical recommendation rather than a single synthetic score
- Amazon search link makes it easier to compare current sellers and variants before checkout
Cons
- Exact performance and acoustics vary by workload, firmware, drivers, cooling, and case airflow
- Compatibility depends on the rest of the build and should be checked before purchase
- Pricing, bundles, and seller availability can change quickly on Amazon
- The best value can shift when nearby alternatives go on sale
- Requires checking heatsink clearance, thermal throttling, usable capacity, and warranty/TBW tradeoffs
Specs
Lexar NM790 4TB
- Price
- Check price with retailer
- Rating
- 4.5 / 5.0
- Key Features
- PCIe 4.0 NVMe
- 4TB capacity
- DRAM-less, Maxio controller
- Capacity
- 4TB
- Interface
- PCIe 4.0 NVMe
- Read Speed
- —
- Write Speed
- —
- TBW
- —
- Form Factor
- —
WD Black SN850X 2TB
- Price
- Check price with retailer
- Rating
- 4.8 / 5.0
- Key Features
- PCIe 4.0 NVMe
- 2TB capacity
- gaming-focused firmware
- Capacity
- —
- Interface
- —
- Read Speed
- —
- Write Speed
- —
- TBW
- —
- Form Factor
- —
| Feature | Lexar NM790 4TB | WD Black SN850X 2TB |
|---|---|---|
| Price | Check price with retailer | Check price with retailer |
| Rating | 4.5 / 5.0 | 4.8 / 5.0 |
| Key Features |
|
|
| Detailed Specifications | ||
| Capacity | 4TB | — |
| Interface | PCIe 4.0 NVMe | — |
| Read Speed | — | — |
| Write Speed | — | — |
| TBW | — | — |
| Form Factor | — | — |
Recommendations
Quick TakeChoosing between the Lexar NM790 4TB and the WD Black SN850X 2TB comes down to workload, compatibility, thermals, power needs, and price. We compare them using manufacturer datasheets, endurance ratings, controller context, and verified-owner thermal feedback, not guaranteed-performance claims.▾
Who Should Pick the Lexar NM790 4TB?The Lexar NM790 4TB is the better starting point if you want PCIe 4.0 NVMe, 4TB capacity, DRAM-less, Maxio controller. Its clearest advantage is Strong fit for high-capacity game library and media storage.▾
Who Should Pick the WD Black SN850X 2TB?The WD Black SN850X 2TB makes more sense if its priorities fit your current build: PCIe 4.0 NVMe, 2TB capacity, gaming-focused firmware. Its best case is Strong fit for 2TB capacity.▾
Specification Fit and Build UseFor ssds, specification fit matters more than hype. The Lexar NM790 4TB leans on 4TB capacity, while the WD Black SN850X 2TB leans on 2TB capacity.▾
Purchase ChecklistCompare current merchant listings for the Lexar NM790 4TB and WD Black SN850X 2TB; displayed catalog values are not current offers. Confirm seller, warranty, shipping, and return terms before purchasing.▾
VerdictPick the WD Black SN850X 2TB if you want the stronger research score and its specification profile fits your build. Compare current merchant listings before deciding.▾
Frequently asked questions
Is the Lexar NM790 4TB better than the WD Black SN850X 2TB?▾
Both are excellent picks in the SSDs category. Based on user ratings, the WD Black SN850X 2TB narrowly edges ahead with a 4.8/5 score. Your best choice depends on which features matter most to you.
How do the catalog estimates for the Lexar NM790 4TB and WD Black SN850X 2TB compare?▾
Catalog estimates are planning references, not current merchant offers. Check the linked seller pages for current prices and availability.
Where can I buy the Lexar NM790 4TB or WD Black SN850X 2TB?▾
Both products are available on Amazon. Use our affiliate links to check the latest prices and current availability.
Winner
Verdict
WD Black SN850X 2TB
WD Black SN850X 2TB WD Black SN850X 2TB has the rating edge. Choose based on performance tier, power, platform fit, and current merchant terms.
Price
Confirm current prices with each retailer.
Top Rated
WD Black SN850X 2TB: 4.8 / 5.0
Category
SSDs
Want the highest-rated pick? The WD Black SN850X 2TB takes the crown. Confirm each current price with the retailer before deciding. Both are excellent in the SSDs category — pick based on which features matter most to you.
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