The Comparator

Kingston KC3000 4TB vs Samsung 990 Pro 4TB

Compare Kingston KC3000 4TB and Samsung 990 Pro 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 KC3000 4TB

Kingston

Current comparison price

$799Value · Balanced39

from 2 offers at 2 retailers · checked Nov 9

Capability highlights · price excluded

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

Samsung 990 Pro 4TB

Samsung

Current comparison price

$786Value · Balanced38

from 7 offers at 4 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

Practically even under these priorities (39 vs 38).

Pricecurrent market snapshot

Samsung 990 Pro 4TB costs less right now ($786 vs $799, 2% apart).

How priorities change the comparison Presets with the higher Value: Kingston KC3000 4TB 1 · Samsung 990 Pro 4TB 0 · even 3
Priority Kingston KC3000 4TB Samsung 990 Pro 4TB
3938even
1919even
5656even
5350

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

$799 39

Kingston KC3000 4TB keeps the higher Value up to $811 (with Samsung 990 Pro 4TB at $786).

Samsung 990 Pro 4TB

Current comparison price

$786 38

Samsung 990 Pro 4TB matches the Value of Kingston KC3000 4TB (at $799) at $774 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.

Kingston KC3000 4TB

  1. Check on AmazonAmazonAffiliate link · price shown on AmazonCheck price →
  2. $799Best priceKingston KC3000 4TBNewegg · checked · Affiliate linkGo to offer →
  3. $846Kingston KC3000 4TBMemoryC · checked · Affiliate linkGo to offer →

Samsung 990 Pro 4TB

  1. $786Best priceSamsung 990 Pro 4TBNewegg · checked · Affiliate linkGo to offer →
  2. Check on AmazonSamsung 990 Pro 4TBAmazon · checked Go to offer →
  3. $800Samsung 990 Pro 4TBB&H · checked Go to offer →
  4. $800Samsung 990 Pro 4TBCentralComputer · checked Go to offer →
  5. $845Samsung 990 Pro 4TB (Heatsink)Newegg · checked · Affiliate linkGo to offer →
  6. Currently unavailable · last seen
  7. $845SAMSUNG 990 PRO w/Heatsink SSD 4TB, PCIe Gen4 M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450MB/s for High End Computing, Workstations, Compatible w/PlayStation 5, MZ-V9P4T0CWNewegg · 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 KC3000 4TB Samsung 990 Pro 4TB
System DriveS #42S #26
Game & File StorageS #15S #11
Heavy Creative WorkS #26S #30
Drive performance7,3007,450
Sequential read7,3007,450
Sequential write7,0006,900

Where each one leads

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

Specifications compared

Facts true of every board a product groups; a range or "varies" marks a fact that differs between boards.

6 identical facts hidden

Kingston KC3000 4TB Samsung 990 Pro 4TB
Speed
Sequential read7,300 MB/s7,450 MB/s
Sequential write7,000 MB/s6,900 MB/s
Storage and endurance
Endurance3,200 TBW2,400 TBW
DRAM cache4GB DDR44GB, 4GB LPDDR4 (varies by board)
ControllerPhison E18Samsung Pascal (8nm), Samsung In-House Controller (varies by board)
Interface and fit
Heatsink includedNovaries by board
Product
BrandKingstonSamsung

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
  • your priorities are Balanced: higher Value
  • Sequential write matters: 7,000 MB/s vs 6,900 MB/s
  • Endurance matters: 3,200 TBW vs 2,400 TBW

Samsung 990 Pro 4TB fits better when…

  • Drive performance matters: higher index
  • Sequential read matters: higher index
  • the budget decides: 2% lower current price
  • Sequential read matters: 7,450 MB/s vs 7,300 MB/s

Nearby market alternative

Worth considering instead
Crucial T710 1TB — same S-tier capability for System Drive, about $556 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 KC3000 4TB or Samsung 990 Pro 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 they are practically even (39 vs 38) in the market snapshot of Nov 9, 2026. Value changes with your priorities and with prices.

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.

How we measure →