The Comparator

Kingston NV3 4TB vs Western Digital SN7100 4TB

Compare Kingston NV3 4TB and Western Digital SN7100 4TB 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

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Kingston NV3 4TB

Kingston

Current comparison price

$580Value · Balanced46

from 3 offers at 3 retailers · checked Nov 9

Capability highlights · price excluded

  • S Game & File Storage
  • A System Drive
  • A Heavy Creative Work

Key differences at a glance

Capabilityprice excluded

Scenarios won: Kingston NV3 4TB 0, Western Digital SN7100 4TB 2, even 1. Western Digital SN7100 4TB is ahead for System Drive, Heavy Creative Work. View grades →

Valueunder Balanced

Western Digital SN7100 4TB has the higher Value under these priorities (49 vs 46).

Pricecurrent market snapshot

Kingston NV3 4TB costs less right now ($580 vs $600, 3% apart).

How priorities change the comparison Presets with the higher Value: Kingston NV3 4TB 0 · Western Digital SN7100 4TB 3 · even 1
Priority Kingston NV3 4TB Western Digital SN7100 4TB
4649
2124
7373even
4855

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.

Kingston NV3 4TB

Current comparison price

$580 46

Kingston NV3 4TB matches the Value of Western Digital SN7100 4TB (at $600) at $542 or less.

Western Digital SN7100 4TB

Current comparison price

$600 49

Western Digital SN7100 4TB keeps the higher Value up to $642 (with Kingston NV3 4TB at $580).

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.

Kingston NV3 4TB

  1. Check on AmazonAmazonAffiliate link · price shown on AmazonCheck price →
  2. $580Best priceKingston NV3 4TBNewegg · checked · Affiliate linkGo to offer →
  3. $779Kingston NV3 4TBMemoryC · checked · Affiliate linkGo to offer →
  4. $825Kingston NV3 4TBB&H · checked Go to offer →

Western Digital SN7100 4TB

  1. Check on AmazonAmazonAffiliate link · price shown on AmazonCheck price →
  2. $600Western Digital SN7100 4TBCentralComputer · checked Go to offer →
  3. Currently unavailable · last seen
  4. $590WD_BLACK SN7100 M.2 2280 4TB PCI-Express 4.0 x4 TLC 3D NAND Internal Solid State Drive (SSD) WDS400T4X0ENewegg · 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

Kingston NV3 4TB Western Digital SN7100 4TB
System DriveA #73S #63
Game & File StorageS #21S #18
Heavy Creative WorkA #72S #42
Drive performance6,0007,000
Sequential read6,0007,000
Sequential write5,0006,700

Where each one leads

  • Lower current price · More offers
  • Higher Value with these priorities · Better grade for System Drive · 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

Kingston NV3 4TB Western Digital SN7100 4TB
Speed
Sequential read6,000 MB/s7,000 MB/s
Sequential write5,000 MB/s6,700 MB/s
Storage and endurance
NAND typeKioxia 162-layer QLCTLC
DRAM cache64MBDRAM-less
ControllerSilicon Motion SM2268XTSanDisk Custom
Product
BrandKingstonWestern 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.

Kingston NV3 4TB fits better when…

  • the budget decides: 3% lower current price

Western Digital SN7100 4TB fits better when…

  • the job is System Drive, Heavy Creative Work: higher capability grade
  • Drive performance matters: higher index
  • Sequential read matters: higher index
  • Sequential write matters: higher index
  • your priorities are Balanced: higher Value
  • Sequential read matters: 7,000 MB/s vs 6,000 MB/s

Nearby market alternative

Worth considering instead
Crucial T710 1TB — same S-tier capability for System Drive, about $350 cheaper · Value 93.
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, Kingston NV3 4TB or Western Digital SN7100 4TB?

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 SN7100 4TB has the higher Value (49 vs 46) in the market snapshot of Nov 9, 2026. Value changes with your priorities and with prices.

At what price does the answer change?

Under Balanced, with Western Digital SN7100 4TB at its current price, Kingston NV3 4TB reaches equal Value at $542. It is a calculation, not a price forecast.

Which one is more capable, ignoring price?

Scenarios won: Kingston NV3 4TB 0, Western Digital SN7100 4TB 2, even 1. Western Digital SN7100 4TB is ahead for System Drive, Heavy Creative Work.

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.

How we measure →