Lexar NM790 2TB
Lexar
Current comparison price
$330Value 70 · Balanced
from 1 offer · checked Oct 17
Capability highlights · price excluded
- S System Drive
- S Heavy Creative Work
- A Game & File Storage
Lexar NM790 2TB vs Western Digital Black SN850X 2TB
Specifications, performance and current prices compared in United States · USD · prices checked through Oct 17, 2026
Western Digital Black SN850X 2TB
Western Digital
Current comparison price
$398Value 61 · Balanced
from 3 offers at 2 retailers · checked Oct 17
Capability highlights · price excluded
- S System Drive
- S Heavy Creative Work
- A Game & File Storage
Key differences at a glance
Capabilityprice excluded
Same grade in all 3 scenarios. View grades →
Valueunder Balanced
Lexar NM790 2TB has the higher Value under these priorities (70 vs 61).
Pricecurrent market snapshot
Lexar NM790 2TB costs less right now ($330 vs $398, 17% apart).
How priorities change the comparison Lexar NM790 2TB has higher Value under 4 presets · Western Digital Black SN850X 2TB under 0 · 0 even
| Priority | Lexar NM790 2TB | Western Digital Black SN850X 2TB | |
|---|---|---|---|
| 70 | 61 | ||
| 32 | 29 | ||
| 73 | 65 | ||
| 25 | 22 |
Pick a preset to compare under it: the whole page follows. Within 2 points counts as even.
Price difference and break-even price
Under Balanced, each product holds or loses the higher Value at one price, with the other held at its current price. Enter the prices you were actually offered to see the answer for your deal.
Lexar NM790 2TB
Current comparison price
$330 Value 70
Lexar NM790 2TB keeps the higher Value up to $399 (with Western Digital Black SN850X 2TB at $398).
Western Digital Black SN850X 2TB
Current comparison price
$398 Value 61
Western Digital Black SN850X 2TB matches the Value of Lexar NM790 2TB (at $330) at $330 or less.
A crossover is a calculation under the active priorities and today's market frame, not a price forecast.
Price comparison: current offers
New offers we track in United States (USD), cheapest first, with the date each was checked. Amazon appears as a link only: its price is not shown and never enters Value.
Lexar NM790 2TB
- Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
- $330Lexar NM790 2TBB&H · checked Go to offer →
- Currently unavailable · last seen
- $320Lexar 2TB NM790 SSD PCIe Gen4 NVMe M.2 2280 Internal Solid State Drive, Up to 7400/6500 MB/s Read/Write, Compatible with PS5, for Gamers and...Newegg · last seen · no longer in the retailer’s listing · Affiliate linkView listing
Western Digital Black SN850X 2TB
- Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
- $398Best priceWestern Digital Black SN850X 2TBNewegg · checked · Affiliate linkGo to offer →
- $400Western Digital Black SN850X 2TBCentralComputer · checked Go to offer →
- $420Western Digital WD_Black SN850X 2TB (Heatsink)Newegg · checked · Affiliate linkGo to offer →
- Currently unavailable · last seen
- $410SANDISK 2TB Optimus GX PRO 850X NVMe PCIe 4.0 M.2 Internal SSDB&H · last seen · no longer in the retailer’s listingView listing
- $410SANDISK 2TB Optimus™ GX PRO 850X PCIe® 4.0 x4 M.2 2280 NVMe™ SSD - SDSP81200TAN-000E0Newegg · last seen · no longer in the retailer’s listing · Affiliate linkView listing
Affiliate links may earn us a commission. They never change the prices shown here, the ranking or Value.
Performance and key differences
What each product can do for a job, graded S to F with price left out, and the measured indexes behind it.
View full tier list and performance rankings
| Lexar NM790 2TB | Western Digital Black SN850X 2TB | |
|---|---|---|
| System Drive | S #34 | S #46 |
| Game & File Storage | A #50 | A #53 |
| Heavy Creative Work | S #55 | S #49 |
| Drive performance | 7,400 | 7,300 |
| Sequential read | 7,400 | 7,300 |
| Sequential write | 6,500 | 6,600 |
Where each one leads
- Lower current price · Higher Value with these priorities · Higher sequential read
- More offers
Specifications compared
Facts true of every board a product groups; a range or "varies" marks a fact that differs between boards.
6 identical facts hidden
| Lexar NM790 2TB | Western Digital Black SN850X 2TB | |
|---|---|---|
| Speed | ||
| Sequential read | 7,400 MB/s | 7,300 MB/s |
| Sequential write | 6,500 MB/s | 6,600 MB/s |
| Storage and endurance | ||
| NAND type | YMTC 232-layer TLC | 112-layer TLC |
| DRAM cache | DRAM-less | 2GB DDR4 |
| Controller | Maxio MAP1602A | WD Proprietary |
| Interface and fit | ||
| Heatsink included | No | varies by board |
| Product | ||
| Brand | Lexar | Western Digital |
Not tracked means the source data does not have this fact. It is not assumed to be absent.
Which one to choose: where each wins
Conditions drawn from the data above, not a universal recommendation. The better choice depends on which of these matter to you.
Lexar NM790 2TB fits better when…
- Drive performance matters: higher index
- Sequential read matters: higher index
- your priorities are Balanced: higher Value
- the budget decides: 17% lower current price
- Sequential read matters: 7,400 MB/s vs 7,300 MB/s
Western Digital Black SN850X 2TB fits better when…
- Sequential write matters: higher index
- Sequential write matters: 6,600 MB/s vs 6,500 MB/s
Nearby market alternative
Worth considering instead
Crucial T710 1TB — same S-tier capability for System Drive, about $110 cheaper · Value 100.
Neither of the two above is the only answer — this one clears the same bar for less. ⇄ Compare all three
Questions and methodology
Which one is better, Lexar NM790 2TB or Western Digital Black SN850X 2TB?
It depends on the question. For capability (price left out) see the grades by use case; for how good the current price is for what you get, see Value under your priorities; and for the cheapest option today, see current prices. This page keeps the three apart and does not name one overall winner.
Which has the higher Value right now?
Under Balanced, Lexar NM790 2TB has the higher Value (70 vs 61) in the market snapshot of Oct 17, 2026. Value changes with your priorities and with prices.
At what price does the answer change?
Under Balanced, with Lexar NM790 2TB at its current price, Western Digital Black SN850X 2TB reaches equal Value at $330. It is a calculation, not a price forecast.
Which one is more capable, ignoring price?
Same grade in all 3 scenarios.
Where can I compare current offers?
The offers section lists every new offer we track for both products in United States, with the date each price was checked. Open in Compare to add more products.