Western Digital SN7100 4TB
The current Western Digital SN7100 4TB price from retailers, its key specifications, and how it performs for each job.
Western Digital · SSD · PCIe 4.0
Works well for: System Drive, Game & File Storage, Heavy Creative Work
Historical observation — not today's price
Check a price you found Plan an upgrade
- Capacity
- 4 TB
- Interface
- M.2 PCIe 4.0 x4
- Sequential read
- 7000 MB/s
- Sequential write
- 6700 MB/s
- Endurance
- 2400 TBW
- Form factor
- M.2-2280
What it is good for
| Scenario | this productCapability grade |
|---|---|
| System DriveScenario capability | GradeS |
| Game & File StorageScenario capability | GradeS |
| Heavy Creative WorkScenario capability | GradeS |
A grade answers “how well does this handle that job?” — price is never part of it. We are not tracking a verified offer right now, so there is no Relative Value to show against it.
Compare these grades with the full tier list
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Performance and where it ranks
Two different questions, side by side. Performance compares what the hardware can do; Value compares what that capability costs at today’s price. A product can rank high on one and low on the other — that gap is the point.
Performance Balanced
How much it can do. Price plays no part in this ranking.
#56 of 183 graded solid state drives
- #53 TeamGroupTeamGroup Cardea A440 1TB 47
- #54 MSIMSI SPATIUM M480 HS 1TB 47
- #55 Western DigitalWestern Digital Black SN850 500GB 47
- #56 Western DigitalWestern Digital SN7100 4TB 47
- #57 Western DigitalWestern Digital SN7100 500GB 46
- #58 Western DigitalWestern Digital Blue SN5100 500GB 44
- #59 CrucialCrucial P310 500GB 44
Performance System Drive
How much it can do. Price plays no part in this ranking.
#56 of 183 graded solid state drives
- #53 TeamGroupTeamGroup Cardea A440 1TB 47
- #54 MSIMSI SPATIUM M480 HS 1TB 47
- #55 Western DigitalWestern Digital Black SN850 500GB 47
- #56 Western DigitalWestern Digital SN7100 4TB 47
- #57 Western DigitalWestern Digital SN7100 500GB 46
- #58 Western DigitalWestern Digital Blue SN5100 500GB 44
- #59 CrucialCrucial P310 500GB 44
Performance Game
How much it can do. Price plays no part in this ranking.
#25 of 183 graded solid state drives
- #22 TeamGroupTeamGroup Force Vulcan 4TB 50
- #23 TeamGroupTeamGroup QX 4TB 50
- #24 SamsungSamsung 870 QVO 4TB 50
- #25 Western DigitalWestern Digital SN7100 4TB 50
- #26 SamsungSamsung 9100 PRO 2TB 25
- #27 CrucialCrucial T710 2TB 25
- #28 CorsairCorsair MP700 PRO SE Air Cooler 2TB 25
Performance Heavy Creative Work
How much it can do. Price plays no part in this ranking.
#29 of 183 graded solid state drives
- #26 TeamGroupTeamGroup FORCE G70 PRO Aluminum 2TB 50
- #27 TeamGroupTeamGroup FORCE G70 PRO Graphene 2TB 50
- #28 CorsairCorsair MP600 PRO XT 2TB 50
- #29 Western DigitalWestern Digital SN7100 4TB 49
- #30 Western DigitalWestern Digital Black SN850X 8TB 48
- #31 Western DigitalWestern Digital WD_Black SN850X 4TB 48
- #32 Western DigitalWestern Digital Black SN850X 2TB 48
These ladders follow the preset scenario shown above. Your own weights re-score this product, not the whole field.
Western Digital SN7100 4TB in today's market
We are not tracking a current offer for Western Digital SN7100 4TB in Canada right now. The last offers we observed are listed below as history; capability, ranks and specifications do not depend on them.
Last observed offers
| Retailer | Condition | Price then | Observed |
|---|---|---|---|
| CentralComputer | New | CAD 600 | last observed 2026-11-09 |
These are historical snapshots from tracked retailers. They are not presented as currently available, and they never count toward Value, rankings or our offer data.
Someone is offering you a Western Digital SN7100 4TB? Check that price
Enter the asking price: it is scored against today's market under your priorities. Capability is the same at any price; only Value changes. Nothing is saved unless you save it as your deal.
Upgrade planner
Judge the change in the active scenario, then make the cash gap explicit.
Using page scenarioCapability differences are expressed as tiers and index points, not as benchmark percentages we did not measure.
What replaces the Western Digital SN7100 4TB today
Chosen for Balanced
Chosen for System Drive
Chosen for Game
Chosen for Heavy Creative Work
Chosen by capability in the same scenario against today's market: the closest current product that is not a downgrade, the cheapest current product within 10% of its capability, and the best Value among products at least 30% more capable.
More head-to-head comparisons in this category
Specifications and compatibility
What this product is, and what to check before it goes into your build.
Performance
- Sequential read
- 7000 MB/s
- Sequential write
- 6700 MB/s
- Random read
- 0 IOPS
- Random write
- 0 IOPS
Media
- Capacity
- 4 TB
- NAND type
- TLC
- DRAM cache
- None (DRAM-less)
Power / Interface
- Interface
- M.2 PCIe 4.0 x4
- Form factor
- M.2-2280
Physical / Outputs
- Heatsink included
- No
Show all specifications
Endurance & warranty
- Endurance
- 2400 TBW
- Warranty
- 5 years
Hover any value to see where it came from: a manufacturer specification, or a figure The Comparator calculated.
Sources: Comparator offer frame 2026-11-02–2026-11-09
What to check in your build
M.2-2280
The slot must take M.2-2280
M.2 PCIe 4.0 x4
PCIe 4.0 M.2 slot for full speed
PCIe 4.0 — runs in older slots at their speed
Fits under an M.2 shroud
Bare drive — it fits under a motherboard M.2 shroud
Meets the PS5 expansion requirements
M.2 2280 NVMe, PCIe 4.0, 7000 MB/s read — meets Sony's published requirements; a heatsink is required
Found an error? Report this specification Email the field, corrected value and an optional source.
Compatibility guidance is practical help, not a score. Missing data is shown as unknown, never invented.
Compare Western Digital SN7100 4TB with current hardware
- Western Digital SN7100 4TB vs Corsair MP600 ELITE 4TB · Closest current replacement
- Western Digital SN7100 4TB vs Crucial P510 1TB · Meaningful upgrade
- Western Digital SN7100 4TB vs TeamGroup MP44Q 4TB · Lower-cost current alternative
Choose another product to compare →
Still looking for this exact model?
- See refurbished and used listings we track
- Check current availability on Amazon · a search, not a tracked price
- Found a listing elsewhere? Score its price above
FAQ
Why is there no current price for the Western Digital SN7100 4TB?
None of the retailers we track lists a new Western Digital SN7100 4TB today. We keep the last offers we observed as dated history, but we do not present them as today's price and they never enter Value or rankings. Capability grades and specifications do not depend on an offer and stay current.
What is a fair used price for the Western Digital SN7100 4TB?
It depends on what today's market offers for the same money, not on a percentage of an old price. Enter the asking price in the price check on this page: it scores the Western Digital SN7100 4TB at that price against current products under your priorities and shows the prices at which its Value would be strong.
What should I upgrade to from the Western Digital SN7100 4TB?
For the same capability today, the closest current product is Corsair MP600 ELITE 4TB; for a meaningful step up, Crucial P510 1TB is the best Value among products at least 30% more capable. The upgrade planner on this page ranks options by what they add for the money you actually spend after selling your Western Digital SN7100 4TB.
Useful links & sources
offer frame 2026-11-02–2026-11-09 · formula ssd-value-v6.1 · facts facts-2026-11-09 · Relative Value is an estimate from our current dataset, the selected weights and dated market prices — not an official product rating and not a price forecast. Target prices are calculation thresholds, not predictions. Methodology We are not a shop. Affiliate links may earn us a commission; they never change the calculations or the ranking.