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Solid state drives » WD » BLACK SN850X 1TB with heatsink

WD BLACK SN850X 1TB with heatsink

Factory heatsink MPN: WDS100T2XHE

€299.00

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1000 GB • PCIe 4.0 ×4 / NVMe • M.2 2280 • 7300 MB/s

€299.00 / TB · confirmed delivered total

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One overview for this exact edition. Confirmed delivered totals come first; unknown charges remain unknown.

YorcomIn stockSource updated: 29/10/2026, 21:14 · Amsterdam time

€299.00Including known delivery chargesItem: €299.00 · Free deliveryView offer ↗

Source observations (2)

29/10/2026, 21:14: €299.00 · delivery €0.00

Source observations differ or contain incomplete identities. We retain their own time and charges; conflicting editions are excluded.

Different marketplace sellers or observations may appear separately. No delivery-time or shop-rating claim without supplied evidence. Check seller, warranty and delivery before paying. Commercial links may earn commission; this never sets their order.

Price history

Latest day minimum: €299.002026-10-29
Lowest measured: €299.002026-10-23
Highest day minimum: €299.002026-10-23
Change in selection: 0.0%First vs. last measured day

Lowest measured total per UTC day2026-10-29 · €299.00

Our confirmed totals include known delivery and import costs. Lines only connect adjacent measured days; gaps stay open.

131 measurements · 7 / 90 measured days83 days without data · Last measured day: 0 days ago

Observed prices only, not complete market coverage. An older measurement is not a current offer. All dates use UTC.

View measured days (7)

Day (UTC)	Lowest measured total	Measurements
2026-10-29	€299.00	24
2026-10-28	€299.00	26
2026-10-27	€299.00	24
2026-10-26	€299.00	17
2026-10-25	€299.00	6
2026-10-24	€299.00	12
2026-10-23	€299.00	22

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History contains saved model measurements, not every shop inventory update. A newer current shop price may differ from the latest chart point.

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Specifications

Key specifications

Storage	1000 GB
Drive form factor	M.2 2280
Interface	PCIe 4.0 ×4 / NVMe
Edition heatsink	Yes
Supplied read speed	7300 MB/s
Supplied write endurance	600 TBW

Find in specifications

All specifications

Compare capacity and cache, not just peak speed

Manufacturer speeds are maxima under stated test conditions. They do not show sustained writing after the cache fills. TBW is a write-endurance warranty limit, not a predicted failure date; time limits also apply. Check M.2 length, interface and heatsink clearance in the host manual. Price per TB uses nominal decimal capacity and a confirmed delivered total.

Performance & memory
DRAM cache	Unknown
Controller	Unknown
Storage & endurance
Capacity	1000 GB
Interface	PCIe 4.0 ×4 / NVMe
Form factor	M.2 2280
Sequential read, up to	7300 MB/s
Sequential write, up to	6300 MB/s
NAND type	TLC 3D NAND
Endurance	600 TBW
Limited warranty, up to	5 years
Random read, up to	800000 IOPS
Factory heatsink	Yes
Drive height, up to	8.9 mm
Other specifications
Cache arrangement	Unknown

Manufacturer source ↗ · Specifications checked: 2026-10-23

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SPECUFO

Our choice analysis

Test context checked

AI-assisted buying advice · not a hands-on test · Checked 2026-10-29

Our verdict

Match exact capacity and cooling to the host and workload. This family analysis does not share identical measurements across every edition.

What does this mean for you?

What should I check before buying?: Choose for your file sizes, fill level, host slot and cooling.
Should I order the factory-heatsink edition?: Check exact part number, clearance above and below the M.2 slot and required cooling first. A bare drive and factory-heatsink edition are different configurations.
What can owner accounts tell me?: A 2TB owner describes prolonged good use; a separate 8TB owner likes capacity but reports warmth under load with a motherboard heatsink. Different systems do not establish universal temperatures. Small self-selected sample across systems. No failure rate, proven firmware cause or equal performance across capacities; warranty and backups remain separate checks.

Advantages

Capacities from 1 to 8TB
Versions with and without a heatsink

Drawbacks

Check cooling and available height
Performance varies with capacity and workload

A good fit forYou need more storage and can choose suitable cooling.

Look further ifYou expect an SSD upgrade alone to raise frame rates or every version to fit.

Why this advice?

Choose the SN850X by exact capacity and factory-heatsink edition. Current documentation gives 4/8TB greater thickness than 1/2TB, important in a laptop or beneath a motherboard cover.

The 2TB test compares firmware and Game Mode; one mode does not accelerate every task. It is not an8TB or console benchmark.

Compare equal capacity and cooling. A TBW limit is part of limited-warranty conditions, not a predicted failure date.

Good benchmark results do not replace backups.

External tests: conditions and meaning

Burst speed and sustained work are different buying questions.

Conditions: 2TB test with firmware 620241WD and 620281WD, normal and Game Mode settings; application traces and a consistency test.

Meaning for your choice: Choose for your file sizes, fill level, host slot and cooling.

Limits: Tested capacity/firmware are bounded; other variants receive only the stated factual context.

What owners report

A 2TB owner describes prolonged good use; a separate 8TB owner likes capacity but reports warmth under load with a motherboard heatsink. Different systems do not establish universal temperatures.

Check before buying

Choose for your file sizes, fill level, host slot and cooling.

Small self-selected sample across systems. No failure rate, proven firmware cause or equal performance across capacities; warranty and backups remain separate checks. Small self-selected sample of self-reported owners; purchases and accounts are not independently verified. Not a representative survey or a Specufo member score. · Checked 2026-10-29

Tested version and limitations

Test configuration and limitsExternal tests cover bare 2TB and 8TB. Specufo has not separately tested 1TB, 4TB or factory heatsinks. Temperatures are not transferred across cooling or capacities. Selected owners cover1/2/8TB; server, AI and lifetime guarantees are excluded.

Tested capacity/firmware are bounded; other variants receive only the stated factual context. Only explicitly listed editions. No Specufo hands-on test; measurements and owner contexts remain bound to the stated capacity,BIOS/firmware and setup.

Also compare

Samsung 990 PRO 2TB
Compare equal capacity, cooling and current total cost.

YOUR CHOICE

Does it fit your wishes?

Adjustable

Choose what matters to you. The match counts documented properties that meet your wishes.

Choose what matters to you

Select at least one wish below.

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What this match tells you

One point for each wish that is confirmed by the documented specification. Unknown is shown separately and never counts as a match. Extra capacity above your wish earns no bonus. Every wish counts equally. These are example wishes you can change.

A specification match, not a test score. The specification match does not measure sustained write speed, heat or reliability.

Technical explanation and buying checks

Does it fit your needs?

Capacity: 1000 GB.
Interface: PCIe 4.0 ×4 / NVMe .

Check before buying

Check the exact configuration and compatibility with your connections and software.

How certain is this analysis?

Experiences form a limited model-level selection. Multiple posts from one owner, sponsored experiences and republications are not additional independent measurements. Region, RAM, firmware and test conditions can change outcomes.

Speed, battery runtime, camera quality and reliability require relevant evidence. Conflicting opinions are not averaged into a misleadingly precise score.

UNDERSTAND YOUR CHOICE

What do these features mean?

Technology trade-offs for the documented features of this configuration. General characteristics, not a hands-on verdict about this unit.

PCIe / NVMePCIe 4.0 ×4 / NVMe

PCIe is the link; NVMe is a storage protocol. M.2 is a form factor and does not prove the interface or generation.

＋ Potential advantage: A newer PCIe generation provides more potential link bandwidth.
− Trade-off: The link is limited by both device and slot. Extra bandwidth does not imply a fixed gain in application or game loading.
Check before buying: Check M.2 size, keying, protocol, lanes and cooling clearance in the system manual.

TLC NANDTLC 3D NAND

TLC stores three bits per cell; controller and firmware also determine complete-drive behaviour.

＋ Potential advantage: Generally offers more write-endurance headroom than comparable QLC memory.
− Trade-off: TLC alone does not establish sustained write speed after the temporary cache fills.
Check before buying: Compare TBW, warranty terms and sustained tests of the same capacity.

How this advice was made

The source reading record distinguishes manufacturer facts, external tests and self-reported owner contexts. Test conditions and edition limits remain attached to the findings. This is not a Specufo lab test or member rating. Versions, software and use can differ; read the test limitations.