Western Digital Black SN850X 2TB
Western Digital
Current comparison price
CAD 570Value · Balanced68
from 3 offers at 2 retailers · checked Oct 29
Capability highlights · price excluded
- S System Drive
- S Heavy Creative Work
- A Game & File Storage
Western Digital Black SN850X 2TB vs Samsung 990 Pro 2TB
Compare Western Digital Black SN850X 2TB and Samsung 990 Pro 2TB in Canada side by side across price, specifications, capability by use case and the price at which the answer changes.
Market snapshot Oct 29, 2026 · CAD
Specifications, performance and current prices compared in Canada · CAD · prices checked through Oct 29, 2026
Samsung 990 Pro 2TB
Samsung
Current comparison price
CAD 619Value · Balanced65
from 3 offers at 2 retailers · checked Oct 29
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
Western Digital Black SN850X 2TB has the higher Value under these priorities (68 vs 65).
Pricecurrent market snapshot
Western Digital Black SN850X 2TB costs less right now (CAD 570 vs CAD 619, 8% apart).
How priorities change the comparison Presets with the higher Value: Western Digital Black SN850X 2TB 2 · Samsung 990 Pro 2TB 0 · even 2
| Priority | Western Digital Black SN850X 2TB | Samsung 990 Pro 2TB | |
|---|---|---|---|
| 68 | 65 | ||
| 34 | 34 | even | |
| 60 | 57 | ||
| 24 | 24 | even |
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.
Western Digital Black SN850X 2TB
Current comparison price
CAD 570 68
Western Digital Black SN850X 2TB keeps the higher Value up to CAD 603 (with Samsung 990 Pro 2TB at CAD 619).
Samsung 990 Pro 2TB
Current comparison price
CAD 619 65
Samsung 990 Pro 2TB matches the Value of Western Digital Black SN850X 2TB (at CAD 570) at CAD 585 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 Canada (CAD), cheapest first, with the date each was checked. Amazon appears as a link only: its price is not shown and never enters Value.
Western Digital Black SN850X 2TB
- CAD 570Best priceWestern Digital Black SN850X 2TBNewegg · checked · Affiliate linkGo to offer →
- Check on AmazonWestern Digital Black SN850X 2TBAmazon · checked Go to offer →
- CAD 630Western Digital WD_Black SN850X 2TB (Heatsink)Newegg · checked · Affiliate linkGo to offer →
Samsung 990 Pro 2TB
- Check on AmazonBest priceSamsung 990 Pro 2TBAmazon · checked Go to offer →
- CAD 725Samsung 990 Pro 2TB (Heatsink)Newegg · checked · Affiliate linkGo to offer →
- CAD 875Samsung 990 Pro 2TBNewegg · checked · Affiliate linkGo to offer →
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
| Western Digital Black SN850X 2TB | Samsung 990 Pro 2TB | |
|---|---|---|
| System Drive | S #30 | S #13 |
| Game & File Storage | A #37 | A #31 |
| Heavy Creative Work | S #31 | S #18 |
| Drive performance | 7,300 | 7,450 |
| Sequential read | 7,300 | 7,450 |
| Sequential write | 6,600 | 6,900 |
Where each one leads
- Lower current price · Higher Value with these priorities
- Higher sequential read
Specifications compared
Facts true of every board a product groups; a range or "varies" marks a fact that differs between boards.
7 identical facts hidden
| Western Digital Black SN850X 2TB | Samsung 990 Pro 2TB | |
|---|---|---|
| Speed | ||
| Sequential read | 7,300 MB/s | 7,450 MB/s |
| Sequential write | 6,600 MB/s | 6,900 MB/s |
| Storage and endurance | ||
| NAND type | 112-layer TLC | 176-layer TLC, Samsung TLC V-NAND (varies by board) |
| DRAM cache | 2GB DDR4 | 2GB LPDDR4, 2GB (varies by board) |
| Controller | WD Proprietary | Samsung Pascal (8nm) |
| Product | ||
| Brand | Western Digital | Samsung |
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.
Western Digital Black SN850X 2TB fits better when…
- your priorities are Balanced: higher Value
- the budget decides: 8% lower current price
Samsung 990 Pro 2TB fits better when…
- Drive performance matters: higher index
- Sequential read matters: higher index
- Sequential write matters: higher index
- Sequential read matters: 7,450 MB/s vs 7,300 MB/s
- Sequential write matters: 6,900 MB/s vs 6,600 MB/s
Nearby market alternative
Worth considering instead
Crucial T700 1TB — same S-tier capability for System Drive, about CAD 140 cheaper · Value 64.
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, Western Digital Black SN850X 2TB or Samsung 990 Pro 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, Western Digital Black SN850X 2TB has the higher Value (68 vs 65) in the market snapshot of Oct 29, 2026. Value changes with your priorities and with prices.
At what price does the answer change?
Under Balanced, with Western Digital Black SN850X 2TB at its current price, Samsung 990 Pro 2TB reaches equal Value at CAD 585. 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 Canada, with the date each price was checked. Open in Compare to add more products.