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Compare Western Digital SN8100 1TB and Samsung 9100 PRO 1TB in the United States side by side across price, specifications, capability by use case and the price at which the answer changes.
Market snapshot Nov 9, 2026 · USD
Specifications, performance and current prices compared in United States · USD · prices checked through Nov 9, 2026
Western Digital
Current comparison price
$260Value · Balanced75
from 1 offer · checked Nov 9
Capability highlights · price excluded
Samsung
Current comparison price
$250Value · Balanced80
from 2 offers at 2 retailers · checked Nov 9
Capability highlights · price excluded
Capabilityprice excluded
Same grade in all 3 scenarios. View grades →
Valueunder Balanced
Samsung 9100 PRO 1TB has the higher Value under these priorities (80 vs 75).
Pricecurrent market snapshot
Samsung 9100 PRO 1TB costs less right now ($250 vs $260, 4% apart).
| Priority | Western Digital SN8100 1TB | Samsung 9100 PRO 1TB | |
|---|---|---|---|
| 75 | 80 | ||
| 77 | 84 | ||
| 57 | 60 | ||
| 88 | 95 |
Pick a preset to compare under it: the whole page follows. Within 2 points counts as even.
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 SN8100 1TB
Current comparison price
$260 75
Western Digital SN8100 1TB matches the Value of Samsung 9100 PRO 1TB (at $250) at $241 or less.
Samsung 9100 PRO 1TB
Current comparison price
$250 80
Samsung 9100 PRO 1TB keeps the higher Value up to $269 (with Western Digital SN8100 1TB at $260).
A crossover is a calculation under the active priorities and today's market frame, not a price forecast.
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 SN8100 1TB
Samsung 9100 PRO 1TB
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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 SN8100 1TB | Samsung 9100 PRO 1TB | |
|---|---|---|
| System Drive | S #4 | S #10 |
| Game & File Storage | B #97 | B #98 |
| Heavy Creative Work | S #16 | S #10 |
| Drive performance | 14,900 | 14,700 |
| Sequential read | 14,900 | 14,700 |
| Sequential write | 11,000 | 13,400 |
Facts true of every board a product groups; a range or "varies" marks a fact that differs between boards.
8 identical facts hidden
| Western Digital SN8100 1TB | Samsung 9100 PRO 1TB | |
|---|---|---|
| Speed | ||
| Sequential read | 14,900 MB/s | 14,700 MB/s |
| Sequential write | 11,000 MB/s | 13,400 MB/s |
| Storage and endurance | ||
| NAND type | Kioxia BiCS8 218-layer TLC | Samsung 8th-gen V-NAND |
| Controller | Silicon Motion SM2508 | Samsung Presto (5nm) |
| Product | ||
| Brand | Western Digital | Samsung |
Not tracked means the source data does not have this fact. It is not assumed to be absent.
Conditions drawn from the data above, not a universal recommendation. The better choice depends on which of these matter to you.
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.
Under Balanced, Samsung 9100 PRO 1TB has the higher Value (80 vs 75) in the market snapshot of Nov 9, 2026. Value changes with your priorities and with prices.
Under Balanced, with Samsung 9100 PRO 1TB at its current price, Western Digital SN8100 1TB reaches equal Value at $241. It is a calculation, not a price forecast.
Same grade in all 3 scenarios.
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.