Average Bench: 156% (137th of 1058)

Based on 8,510 user benchmarks.  Model: KBG40ZNS256G NVMe KIOXIA 256GB

Outstanding average bench

The Kbg40zns256g NVMe KIOXIA 256GB averaged 55.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zns256g NVMe KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 542MB/s
Avg. 4K-64Thread Read Speed 819MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zns256g NVMe KIOXIA 256GB is 123%. This is a particularly wide range which indicates that the Kbg40zns256g NVMe KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 447MB/s
Avg. 4K Random Write Speed 99.2MB/s
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Average Bench

(Based on 8,510 samples)
Min Avg Max
452 Read 1,058 1,543
150 Write 907 1,480
187 Mixed 902 1,307
68.7 SusWrite 447 587
186% 829 MB/s
Min Avg Max
20.5 4K Read 42 56.6
37.4 4K Write 99.2 158
27.5 4K Mixed 54.9 76.8
187% 65.4 MB/s
Min Avg Max
394 DQ Read 819 1,264
97.2 DQ Write 442 787
108 DQ Mixed 542 706
427% 601 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
167GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1070 799 394 411 411 410 MB/s
Read 1,562
Write 1,489
Mixed 1,310
SusWrite 582
277% 1,236 MB/s
4K Read 51.3
4K Write 137
4K Mixed 70.4
240% 86.3 MB/s
DQ Read 1,284
DQ Write 831
DQ Mixed 703
620% 940 MB/s
169GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 873 863 400 387 405 407 MB/s
Read 1,018
Write 886
Mixed 1,007
SusWrite 556
195% 867 MB/s
4K Read 57.1
4K Write 151
4K Mixed 77
265% 95.1 MB/s
DQ Read 1,111
DQ Write 506
DQ Mixed 702
549% 773 MB/s
128GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 832 846 902 710 894 338 MB/s
Read 1,376
Write 202
Mixed 586
SusWrite 754
161% 729 MB/s
4K Read 11.6
4K Write 93.2
4K Mixed 56.6
139% 53.8 MB/s
DQ Read 1,265
DQ Write 245
DQ Mixed 534
449% 682 MB/s
118GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 747 750 471 389 392 394 MB/s
Read 1,085
Write 844
Mixed 797
SusWrite 524
182% 812 MB/s
4K Read 54.6
4K Write 144
4K Mixed 72.8
252% 90.5 MB/s
DQ Read 744
DQ Write 391
DQ Mixed 442
362% 526 MB/s
205GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1104 799 405 410 407 405 MB/s
Read 743
Write 834
Mixed 751
SusWrite 588
165% 729 MB/s
4K Read 49.2
4K Write 120
4K Mixed 66.7
223% 78.5 MB/s
DQ Read 1,126
DQ Write 591
DQ Mixed 695
560% 804 MB/s
161GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 806 737 473 380 401 404 MB/s
Read 1,229
Write 1,130
Mixed 1,036
SusWrite 533
220% 982 MB/s
4K Read 38.4
4K Write 131
4K Mixed 49
190% 72.9 MB/s
DQ Read 1,028
DQ Write 454
DQ Mixed 712
535% 731 MB/s
205GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1023 806 407 407 390 409 MB/s
Read 732
Write 933
Mixed 817
SusWrite 574
173% 764 MB/s
4K Read 48.8
4K Write 121
4K Mixed 66.7
223% 78.8 MB/s
DQ Read 1,112
DQ Write 579
DQ Mixed 676
548% 789 MB/s
64GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 481 369 474 346 319 200 MB/s
Read 1,100
Write 504
Mixed 315
SusWrite 365
126% 571 MB/s
4K Read 35.4
4K Write 71.6
4K Mixed 52.2
158% 53.1 MB/s
DQ Read 592
DQ Write 268
DQ Mixed 610
404% 490 MB/s
8,510 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,501,214 SSDs tested.

Typical NVMe KIOXIA 256GB Builds (Compare 4,338 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 8%
Tree trunk

System: Dell Inspiron 3593

EDIT WITH CUSTOM PC BUILDER

Popular NVMe KIOXIA 256GB systems:

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

Welcome to our freeware 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 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.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) August 2021 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

1058 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

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Intel Core i7-11700K $394Nvidia RTX 3080 $700Samsung 850 Evo 120GB $183
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WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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