Average Bench: 533% (1st of 1072)

Based on 4,434 user benchmarks.  Model: WD_BLACK SN850X 4000GB

Outstanding average bench

The WD Black SN850X NVMe PCIe M.2 4TB averaged 432.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Black SN850X NVMe PCIe M.2 4TB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 1,548MB/s
Avg. Sequential Write Speed 3,823MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WD Black SN850X NVMe PCIe M.2 4TB is 385%. This is a particularly wide range which indicates that the WD Black SN850X NVMe PCIe M.2 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 188MB/s
Avg. 4K Random Read Speed 66MB/s
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Average Bench

(Based on 4,434 samples)
Min Avg Max
2,067 Read 3,770 4,616
1,803 Write 3,823 4,871
1,745 Mixed 2,951 3,560
1,736 SusWrite 3,570 4,763
795% 3,528 MB/s
Min Avg Max
45.6 4K Read 66 83.4
64 4K Write 188 305
48.5 4K Mixed 82.3 109
305% 112 MB/s
Min Avg Max
818 DQ Read 1,821 2,578
154 DQ Write 1,388 2,165
292 DQ Mixed 1,548 2,355
1,173% 1,586 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
3.5TB free (System drive)
Firmware: 624331WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 4727 4734 4818 4847 4837 4839 MB/s
Read 4,498
Write 4,940
Mixed 3,501
SusWrite 4,800
1,001% 4,435 MB/s
4K Read 78.2
4K Write 229
4K Mixed 98.9
367% 135 MB/s
DQ Read 1,696
DQ Write 1,306
DQ Mixed 1,455
1,101% 1,486 MB/s
3TB free
Firmware: 624361WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 4410 4355 4319 4290 4297 4292 MB/s
Read 4,058
Write 4,477
Mixed 3,143
SusWrite 4327
903% 4,001 MB/s
4K Read 59.3
4K Write 294
4K Mixed 100
374% 151 MB/s
DQ Read 2,642
DQ Write 2,179
DQ Mixed 2,428
1,814% 2,416 MB/s
3.5TB free (System drive)
Firmware: 624361WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 3021 3811 4278 4494 4407 4308 MB/s
Read 4,694
Write 4,939
Mixed 3,650
SusWrite 4,053
976% 4,334 MB/s
4K Read 79
4K Write 240
4K Mixed 109
386% 143 MB/s
DQ Read 1,887
DQ Write 1,599
DQ Mixed 1,755
1,312% 1,747 MB/s
3TB free (System drive)
Firmware: 624361WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 2439 4466 4515 4501 4497 4494 MB/s
Read 4,453
Write 4,495
Mixed 3294
SusWrite 4,152
923% 4,098 MB/s
4K Read 82.4
4K Write 239
4K Mixed 104
385% 142 MB/s
DQ Read 1,867
DQ Write 1353
DQ Mixed 1,654
1,224% 1,625 MB/s
2.5TB free (System drive)
Firmware: 624331WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1879 3501 3553 3656 3655 3577 MB/s
Read 4,056
Write 3,916
Mixed 3,010
SusWrite 3,303
803% 3,571 MB/s
4K Read 55.2
4K Write 126
4K Mixed 68.5
238% 83.1 MB/s
DQ Read 2,099
DQ Write 1,579
DQ Mixed 1,788
1,351% 1,822 MB/s
3.5TB free (System drive)
Firmware: 624331WD Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 638 2183 4352 4373 4381 4365 MB/s
Read 4459
Write 4,487
Mixed 3,448
SusWrite 3382
887% 3,944 MB/s
4K Read 71.2
4K Write 152
4K Mixed 83.8
296% 102 MB/s
DQ Read 1,519
DQ Write 376
DQ Mixed 1,027
734% 974 MB/s
4,434 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,677,308 SSDs tested

 Prices

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Typical Black SN850X NVMe PCIe M.2 4TB Builds (Compare 3,973 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 453%
UFO
Desktop
Desktop 125%
UFO
Workstation
Workstation 596%
UFO

Motherboard: Asus ROG STRIX Z790-E GAMING WIFI

EDIT WITH CUSTOM PC BUILDER Value: 81% - Excellent Total price: $2,617

Popular Black SN850X NVMe PCIe M.2 4TB compatible motherboards:

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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  • - CPU tests include: integer, floating and string
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  • - Drive tests include: read, write, sustained write and mixed IO
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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

Added n/a ago.

Good

4 months ago.

but Samsung 990 pro 4tb is more better


Excellent

12 months ago.

If you install this in a ps5 it will outrun the series x.


Your
opinion?
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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12600K $182Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12400F $133Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair 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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