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Samsung 9100 PRO 2TB vs Western Digital SN8100 2TB — value comparison

Samsung 9100 PRO 2TB and Western Digital SN8100 2TB are practically even under balanced weights at the current dataset offers: 93 vs 92. Change the preset or your priorities before deciding.
Price data · United States · USD · New · A 2026-09-27 · B 2026-09-27Coverage · 8 tracked new-offer records across both modelsBenchmark confidence · no estimate flags on these two recordsAffiliate links · We may earn a commission from these links. Scores are calculated separately using our methodology.
02 · Decision matrix

One decision, three separate questions

Capability ignores price. Relative Value adds the current dataset offers and your priorities. Keeping them separate prevents a cheap product from being mistaken for the faster product.

Same scenario engine as the tier lists · offer frame 2026-09-27
The decision, split by questioncapability · value · price are separate answers
CapabilityEven across scenarios
Better value todaySamsung 9100 PRO 2TB — 1 more Value point under this configuration
Cheaper right nowSamsung 9100 PRO 2TB (by $18)

Capability by task

Capability by task: Samsung 9100 PRO 2TB versus Western Digital SN8100 2TB
ScenarioSamsung 9100 PRO 2TBWestern Digital SN8100 2TB
System DriveS#16S#2
Game & File StorageA#68A#62
Heavy Creative WorkS#10S#1

They grade identically in all 3 graded scenarios — the tier table won't decide this one, so compare price and Value below. These are the same S–F grades as the tier list — capability only, price excluded. The value rows below add prices from the 2026-09-27 offer frame. How tiers are assigned →

Relative Value by priority

Balancedpractically even (≤3 pts)
93
92
System Drivepractically even (≤3 pts)
89
91
Game & File Storagepractically even (≤3 pts)
71
69
Heavy Creative Workpractically even (≤3 pts)
83
85
Strict Budgetpractically even (≤3 pts)
56
53

Both products are normalized within the same in-stock market frame per preset. A check marks the higher Relative Value; a difference of 3 points or less is shown as practically even.

03 · Price crossover

The price changes the answer

Current offers, crossover points and Strong Value thresholds answer different questions. Thresholds are calculations, not price forecasts.

Balanced preset · rival offer held fixed

A · Samsung 9100 PRO 2TB

Current dataset offer · NewUnited States · USD · snapshot 2026-09-27
$398
Beats Western Digital SN8100 2TB atbalanced weights; rival offer held fixed
$407
Strong Value at80+ Relative Value threshold
$494

B · Western Digital SN8100 2TB

Current dataset offer · NewUnited States · USD · snapshot 2026-09-27
$416
Beats Samsung 9100 PRO 2TB atbalanced weights; rival offer held fixed
$407
Strong Value at80+ Relative Value threshold
$505
04 · Where to buy

Current offers for both products

Dated New-condition price snapshots for only the two products in this comparison. Confirm the final price and availability at the store.

United States · USD · New · up to 4 per product
05 · Capability

Capability indexes, side by side

Price is intentionally excluded here so the more capable product and the better-value product cannot be confused.

A = violet · B = blue · labels and numbers preserve meaning without color
Drive capability 14700
14900
Sequential read (MB/s) 14700
14900
Sequential write (MB/s) 13400
14000
A · Samsung 9100 PRO 2TBB · Western Digital SN8100 2TBEach row keeps the unit or category index named in its label; bar length compares A and B within that row.The Value leader depends on how you weight things: Samsung 9100 PRO 2TB leads under 0 presets, Western Digital SN8100 2TB under 0, 5 practically even.
06 · Platform & ownership

Fit, compatibility and ownership context

Only verified structured compatibility and ownership fields are shown. Check the exact system, board manual and vendor QVL before purchase; missing fields are never guessed.

A · Samsung 9100 PRO 2TB

  • InterfaceM.2 PCIe 5.0 x4
  • Form factorM.2-2280
  • Capacity2,000 GB
  • DRAM cache2GB LPDDR4
  • Heatsink includedNo
  • Write endurance1,200 TBW
  • Warranty (typical new)60 mo

B · Western Digital SN8100 2TB

  • InterfaceM.2 PCIe 5.0 x4
  • Form factorM.2-2280
  • Capacity2,000 GB
  • DRAM cache2GB LPDDR4
  • Heatsink includedNo
  • Write endurance1,200 TBW
  • Warranty (typical new)60 mo
07 · Specifications

Key specifications

Directional checkmarks appear only on numeric fields where more or less has a clear meaning. They are not an overall verdict.

Up to 12 key rows · additional verified fields below
Key specifications: Samsung 9100 PRO 2TB versus Western Digital SN8100 2TB
SpecificationSamsung 9100 PRO 2TBWestern Digital SN8100 2TB
InterfaceM.2 PCIe 5.0 x4M.2 PCIe 5.0 x4
Form factorM.2-2280M.2-2280
Capacity2,000 GB2,000 GB
Sequential read14,700 MB/s14,900 MB/s✓
Sequential write13,400 MB/s14,000 MB/s✓
Random read1,850,000 IOPS2,300,000 IOPS✓
Random write2,600,000 IOPS✓2,400,000 IOPS
Write endurance1,200 TBW1,200 TBW
DRAM cache2GB LPDDR42GB LPDDR4
NAND typeSamsung 8th-gen V-NANDKioxia BiCS8 218-layer TLC
ControllerSamsung Presto (5nm)Silicon Motion SM2508
Heatsink includedNoNo
Show additional verified specifications
Additional verified specifications: Samsung 9100 PRO 2TB versus Western Digital SN8100 2TB
SpecificationSamsung 9100 PRO 2TBWestern Digital SN8100 2TB
Current dataset offer · New$398snapshot 2026-09-27✓$416snapshot 2026-09-27
Warranty (typical new)60 mo60 mo

“Not tracked” means the source data does not contain a verified value; no default or guessed specification is substituted.

08 · Customize

Try other models and your own priorities

Presets are starting points. Swap either side, then open Advanced weights only if you want to tune the formula directly.

Runs locally in your browser · nothing is sent anywhere
09 · Alternative

A third option worth checking

The same scenario and market frame checks whether another currently priced model offers a cleaner trade-off.

Worth considering instead
Crucial T710 1TB — same S-tier capability for System Drive, about $178 cheaper · Value 100.
Neither of the two above is the only answer — this one clears the same bar for less. ⇄ Compare all three
10 · Decision guide

Choose based on the trade-off you actually want

These are evidence-linked conditions, not universal buying verdicts. Feature ecosystems, software support and platform preferences remain your call.

Compare — add more models →Open in the calculator →
11 · Methodology & FAQ

How to read this comparison

The formula is a linear weighted sum inside the current comparison frame. Capability, price and user priorities stay visible as separate inputs so the result can be challenged and changed.

Read the methodology →
Which is better value right now: Samsung 9100 PRO 2TB or Western Digital SN8100 2TB?
Under the balanced preset and the 2026-09-27 offer frame, they are practically even in Relative Value (93 vs 92). Change the preset or weights to reflect your own priorities; capability is a separate question, answered by the tier table.
Which one is more capable, ignoring price?
They grade identically in all 3 graded scenarios — the tier table won't decide this one, so compare price and Value below.
Where can I compare current offers for both?
Dated offer snapshots for both models are listed on their product pages (linked above); the interactive calculator recalculates both with your own weights and budget.
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Offer frame: 2026-09-27 · dataset generated 2026-09-27 · formula ssd-value-v1.5-benefit-cost-product · Value Score is an estimate based on our current dataset, selected weights, market prices and methodology — not an official product rating or a price forecast. Target prices are calculation thresholds, not predictions. Methodology · Report a data error