The Comparator

Kingston KC3000 4TB vs Western Digital Black SN850X 4TB

Compare Kingston KC3000 4TB and Western Digital Black SN850X 4TB in Canada side by side across price, specifications, capability by use case and the price at which the answer changes.

Market snapshot Nov 9, 2026 · CAD

Specifications, performance and current prices compared in Canada · CAD · prices checked through Nov 9, 2026

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Kingston KC3000 4TB

Kingston

Current comparison price

CAD 999Value · Balanced49

from 2 offers at 2 retailers · checked Nov 9

Capability highlights · price excluded

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

Key differences at a glance

Capabilityprice excluded

Same grade in all 3 scenarios. View grades →

Valueunder Balanced

Western Digital WD_Black SN850X 4TB has the higher Value under these priorities (52 vs 49).

Pricecurrent market snapshot

Western Digital WD_Black SN850X 4TB costs less right now (CAD 900 vs CAD 999, 10% apart).

How priorities change the comparison Presets with the higher Value: Kingston KC3000 4TB 0 · Western Digital WD_Black SN850X 4TB 2 · even 2
Priority Kingston KC3000 4TB Western Digital WD_Black SN850X 4TB
4952
2527even
6571
6462even

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 KC3000 4TB

Current comparison price

CAD 999 49

Kingston KC3000 4TB matches the Value of Western Digital WD_Black SN850X 4TB (at CAD 900) at CAD 943 or less.

Western Digital WD_Black SN850X 4TB

Current comparison price

CAD 900 52

Western Digital WD_Black SN850X 4TB keeps the higher Value up to CAD 954 (with Kingston KC3000 4TB at CAD 999).

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.

Kingston KC3000 4TB

  1. Check on AmazonBest priceKingston KC3000 4TBAmazon · checked Go to offer →
  2. CAD 1,299Kingston KC3000 4TBNewegg · checked · Affiliate linkGo to offer →

Western Digital WD_Black SN850X 4TB

  1. CAD 900Best priceWestern Digital WD_Black SN850X 4TBNewegg · checked · Affiliate linkGo to offer →
  2. Check on AmazonWestern Digital WD_Black SN850X 4TBAmazon · checked Go to offer →
  3. CAD 1,100Western Digital WD_Black SN850X 4TB (Heatsink)Newegg · checked · Affiliate linkGo to offer →
  4. Check on AmazonWestern Digital WD_Black SN850X 4TB (Heatsink)Amazon · checked Go 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

Kingston KC3000 4TB Western Digital WD_Black SN850X 4TB
System DriveS #29S #28
Game & File StorageS #10S #9
Heavy Creative WorkS #13S #30
Drive performance7,3007,300
Sequential read7,3007,300
Sequential write7,0006,600

Where each one leads

  • Lower current price · Higher Value with these priorities · More offers

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 KC3000 4TB Western Digital WD_Black SN850X 4TB
Speed
Sequential write7,000 MB/s6,600 MB/s
Storage and endurance
Endurance3,200 TBW2,400 TBW
NAND typeTLCSanDisk 112-layer TLC
ControllerPhison E18WD Proprietary
Interface and fit
Heatsink includedNovaries by board
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 KC3000 4TB fits better when…

  • Sequential write matters: higher index
  • Sequential write matters: 7,000 MB/s vs 6,600 MB/s
  • Endurance matters: 3,200 TBW vs 2,400 TBW

Western Digital WD_Black SN850X 4TB fits better when…

  • your priorities are Balanced: higher Value
  • the budget decides: 10% lower current price

Nearby market alternative

Worth considering instead
Samsung 9100 PRO 2TB — same S-tier capability for System Drive, about CAD 151 cheaper · Value 52.
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 KC3000 4TB or Western Digital Black SN850X 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 WD_Black SN850X 4TB has the higher Value (52 vs 49) 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 WD_Black SN850X 4TB at its current price, Kingston KC3000 4TB reaches equal Value at CAD 943. 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.

How we measure →