Western Digital Black SN770 2TB
Western Digital
Current comparison price
$287Value 63 · Balanced
from 1 offer · checked Oct 14
Capability highlights · price excluded
- A System Drive
- A Game & File Storage
- A Heavy Creative Work
Western Digital Black SN770 2TB vs Samsung 990 EVO 2TB
Specifications, performance and current prices compared in United States · USD · prices checked through Oct 17, 2026
Samsung 990 EVO 2TB
Samsung
Current comparison price
$508Value 40 · Balanced
from 1 offer · checked Oct 17
Capability highlights · price excluded
- A System Drive
- A Game & File Storage
- A Heavy Creative Work
Key differences at a glance
Capabilityprice excluded
Same grade in all 3 scenarios. View grades →
Valueunder Balanced
Western Digital Black SN770 2TB has the higher Value under these priorities (63 vs 40).
Pricecurrent market snapshot
Western Digital Black SN770 2TB costs less right now ($287 vs $508, 43% apart).
How priorities change the comparison Western Digital Black SN770 2TB has higher Value under 4 presets · Samsung 990 EVO 2TB under 0 · 0 even
| Priority | Western Digital Black SN770 2TB | Samsung 990 EVO 2TB | |
|---|---|---|---|
| 63 | 40 | ||
| 20 | 13 | ||
| 76 | 52 | ||
| 15 | 9 |
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 SN770 2TB
Current comparison price
$287 Value 63
Western Digital Black SN770 2TB keeps the higher Value up to $543 (with Samsung 990 EVO 2TB at $508).
Samsung 990 EVO 2TB
Current comparison price
$508 Value 40
Samsung 990 EVO 2TB matches the Value of Western Digital Black SN770 2TB (at $287) at $269 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.
Western Digital Black SN770 2TB
- Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
- $287Western Digital Black SN770 2TBNewegg · checked · Affiliate linkGo to offer →
Samsung 990 EVO 2TB
- Check current priceAmazonAffiliate link · price shown on AmazonCheck price →
- $508Samsung 990 EVO 2TBNewegg · checked · Affiliate linkGo to offer →
- Currently unavailable · last seen
- $499Samsung 990 EVO 2TB NVMe PCIe M.2 2280 Internal SSD MZ-V9E2T0B/AM SealedNewegg · last seen · no longer in the retailer’s listing · Affiliate linkView listing
- $450SAMSUNG 990 EVO SSD 2TBNewegg · 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
| Western Digital Black SN770 2TB | Samsung 990 EVO 2TB | |
|---|---|---|
| System Drive | A #83 | A #96 |
| Game & File Storage | A #66 | A #75 |
| Heavy Creative Work | A #79 | A #92 |
| Drive performance | 5,150 | 5,000 |
| Sequential read | 5,150 | 5,000 |
| Sequential write | 4,850 | 4,200 |
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 SN770 2TB | Samsung 990 EVO 2TB | |
|---|---|---|
| Speed | ||
| Sequential read | 5,150 MB/s | 5,000 MB/s |
| Sequential write | 4,850 MB/s | 4,200 MB/s |
| Storage and endurance | ||
| NAND type | SanDisk 112-layer TLC | Samsung 133-layer V-NAND v6 |
| Controller | SanDisk Proprietary | Samsung Piccolo |
| Interface and fit | ||
| Interface | M.2 PCIe 4.0 x4 | M.2 PCIe 5.0 x2 |
| 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 SN770 2TB fits better when…
- Drive performance matters: higher index
- Sequential read matters: higher index
- Sequential write matters: higher index
- your priorities are Balanced: higher Value
- the budget decides: 43% lower current price
- Sequential read matters: 5,150 MB/s vs 5,000 MB/s
Samsung 990 EVO 2TB fits better when…
No measured advantage in this data. Decide on availability, platform fit or the offer you find.
Nearby market alternative
Worth considering instead
Crucial T710 1TB — same S-tier capability for System Drive, about $67 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, Western Digital Black SN770 2TB or Samsung 990 EVO 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 SN770 2TB has the higher Value (63 vs 40) 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 Western Digital Black SN770 2TB at its current price, Samsung 990 EVO 2TB reaches equal Value at $269. 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.