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Nvme

WD_BLACK SN850X 4000GB

▲ 500 ▼

Release date ≈ Q3 2022.

Average Bench: 514% (1st of 1072)

Based on 416 user benchmarks.  Model: NVMe WD_BLACK SN850X 4000GB
Poor: 260%Average: 514% Great: 686%

Popular builds with this SSD

Outstanding average bench

The Nvme WD_BLACK SN850X 4000GB averaged 414.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme WD_BLACK SN850X 4000GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 1,323MB/s
Avg. Sequential Write Speed 3,617MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme WD_BLACK SN850X 4000GB is 427%. This is a particularly wide range which indicates that the Nvme WD_BLACK SN850X 4000GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 185MB/s
Avg. 4K Random Mixed IO Speed 81MB/s
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Average Bench

(Based on 416 samples)
Rank 1514%
Min Avg Max
2,024 Read 3,796 4,704
1,399 Write 3,617 4,918
1,448 Mixed 2,694 3,325
1,321 SusWrite 3,403 4,811
760% 3,377 MB/s
Min Avg Max
43.6 4K Read 74.3 85.7
49.2 4K Write 185 315
41.9 4K Mixed 81 111
314% 114 MB/s
Min Avg Max
381 DQ Read 1,553 2,435
133 DQ Write 1,132 2,033
285 DQ Mixed 1,323 2,164
994% 1,336 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
3.5TB free (System drive)
Firmware: 624361WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 3663 4466 4526 4750 4769 4706 MB/s
699% Outstanding
Read 4,686
Write 4,868
Mixed 3,324
SusWrite 4480
978% 4,339 MB/s
4K Read 86.8
4K Write 338
4K Mixed 116
460% 180 MB/s
DQ Read 2,516
DQ Write 1,928
DQ Mixed 2,146
1,625% 2,196 MB/s
3.5TB free
Firmware: 624331WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 4441 4597 4616 4612 4557 4577 MB/s
646% Outstanding
Read 4,418
Write 4,538
Mixed 3,216
SusWrite 4,567
943% 4,185 MB/s
4K Read 57.6
4K Write 264
4K Mixed 96.5
351% 140 MB/s
DQ Read 2,190
DQ Write 1,520
DQ Mixed 1,801
1,359% 1,837 MB/s
976GB free (System drive)
Firmware: 624361WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 788 886 1898 2033 2132 1969 MB/s
315% Outstanding
Read 3,135
Write 1819
Mixed 2088
SusWrite 1,618
483% 2,165 MB/s
4K Read 56.9
4K Write 82.9
4K Mixed 58.7
205% 66.2 MB/s
DQ Read 868
DQ Write 357
DQ Mixed 672
482% 632 MB/s
416 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,759,285 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical WD_BLACK SN850X 4000GB Builds (Compare 3,752 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 140%
UFO
Desktop
Desktop 110%
UFO
Workstation
Workstation 152%
UFO

System: Dell XPS 8950

CPU
Core i7-12700IntelBench 108%, 25,535 samples1,766x
Core i9-12900KIntel  $297Bench 117%, 66,991 samples797x
Core i7-12700KIntel  $215Bench 114%, 78,749 samples768x
GPU
RTX 3060-TiNvidia  $340Bench 128%, 442,467 samples1,217x
RTX 3080Nvidia  $910Bench 187%, 424,051 samples506x
RTX 3070Nvidia  $400Bench 148%, 619,642 samples488x
SSD
WD_BLACK SN850X 4000GBNvmeBench 514%, 416 samples1x
RAM
HMCG78MEBUA081N 2x16GBUnknownBench 139%, 1,072 samples443x
HMCG78MEBUA084N 2x16GBUnknownBench 141%, 577 samples295x
CG78MEBUA081N 2x16GBUnknownBench 143%, 829 samples256x
EDIT WITH CUSTOM PC BUILDER Value: 89% - Excellent Total price: $340

Popular WD_BLACK SN850X 4000GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
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  • - Compare your in-game FPS to other users with your hardware
Solid State Drive Rankings (Price vs Performance) April 2024 SSD Rankings

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

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Speed Comparisons

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1072 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $269Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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