Average Bench: 162% (127th of 1058)

Based on 2,367 user benchmarks.  Model: NVMe KBG40ZNS512G NVMe KIOXIA 512GB

Outstanding average bench

The Nvme KBG40ZNS512G KIOXIA 512GB averaged 61.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZNS512G KIOXIA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 572MB/s
Avg. 4K-64Thread Read Speed 802MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNS512G KIOXIA 512GB is 102%. This is a particularly wide range which indicates that the Nvme KBG40ZNS512G KIOXIA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 451MB/s
Avg. 4K-64Thread Write Speed 392MB/s
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Average Bench

(Based on 2,367 samples)
Min Avg Max
676 Read 1,018 1,532
411 Write 903 1,407
452 Mixed 901 1,278
300 SusWrite 451 539
184% 818 MB/s
Min Avg Max
28.8 4K Read 46.3 54.8
66 4K Write 124 180
37 4K Mixed 62 76.8
216% 77.6 MB/s
Min Avg Max
385 DQ Read 802 1,158
157 DQ Write 392 771
213 DQ Mixed 572 683
431% 589 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
388GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 946 824 359 337 356 355 MB/s
Read 1563
Write 1,444
Mixed 1,186
SusWrite 530
264% 1,181 MB/s
4K Read 56.9
4K Write 208
4K Mixed 75.7
294% 114 MB/s
DQ Read 1,040
DQ Write 826
DQ Mixed 644
561% 837 MB/s
284GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 881 857 362 364 367 336 MB/s
Read 1,251
Write 1,213
Mixed 1,106
SusWrite 528
230% 1,024 MB/s
4K Read 48.1
4K Write 131
4K Mixed 67.4
229% 82.2 MB/s
DQ Read 781
DQ Write 396
DQ Mixed 668
475% 615 MB/s
376GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 726 800 448 371 367 363 MB/s
Read 1,197
Write 1,022
Mixed 980
SusWrite 513
208% 928 MB/s
4K Read 47.8
4K Write 118
4K Mixed 64
217% 76.4 MB/s
DQ Read 786
DQ Write 349
DQ Mixed 682
475% 606 MB/s
394GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 496 499 483 426 367 370 MB/s
Read 717
Write 602
Mixed 658
SusWrite 440
136% 605 MB/s
4K Read 51.7
4K Write 160
4K Mixed 73.6
257% 95.1 MB/s
DQ Read 840
DQ Write 457
DQ Mixed 663
489% 653 MB/s
386GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 685 672 521 375 375 373 MB/s
Read 1,284
Write 1,076
Mixed 1,082
SusWrite 500
221% 986 MB/s
4K Read 42.7
4K Write 96.3
4K Mixed 53.9
185% 64.3 MB/s
DQ Read 511
DQ Write 246
DQ Mixed 416
299% 391 MB/s
260GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 615 684 458 337 249 206 MB/s
Read 939
Write 889
Mixed 894
SusWrite 425
177% 787 MB/s
4K Read 43.4
4K Write 102
4K Mixed 56.5
192% 67.3 MB/s
DQ Read 817
DQ Write 335
DQ Mixed 656
464% 602 MB/s
405GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 178 261 203 306 332 591 MB/s
Read 592
Write 515
Mixed 616
SusWrite 312
114% 509 MB/s
4K Read 43.7
4K Write 54.7
4K Mixed 5.5
102% 34.6 MB/s
DQ Read 149
DQ Write 59.7
DQ Mixed 108
79% 106 MB/s
2,367 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,076,397 SSDs tested.

Typical KBG40ZNS512G KIOXIA 512GB Builds (Compare 1,512 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 18%
Surfboard
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 16%
Surfboard

System: Dell Inspiron 5502

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZNS512G KIOXIA 512GB 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.
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  • - Compare your components to the current market leaders.
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Solid State Drive Rankings (Price vs Performance) September 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

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