Average Bench: 148% (157th of 1071)

Based on 15,775 user benchmarks.  Model: KBG40ZNS512G NVMe KIOXIA 512GB

Outstanding average bench

The Kbg40zns512g NVMe KIOXIA 512GB averaged 48.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zns512g NVMe KIOXIA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 515MB/s
Avg. 4K-64Thread Read Speed 826MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zns512g NVMe KIOXIA 512GB is 135%. This is a particularly wide range which indicates that the Kbg40zns512g NVMe KIOXIA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 427MB/s
Avg. 4K Random Write Speed 101MB/s
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Average Bench

(Based on 15,775 samples)
Min Avg Max
199 Read 967 1,465
118 Write 835 1,420
203 Mixed 819 1,262
75.8 SusWrite 427 577
171% 762 MB/s
Min Avg Max
12.6 4K Read 40.1 57
34.2 4K Write 101 190
24.4 4K Mixed 53.2 79.8
182% 64.6 MB/s
Min Avg Max
328 DQ Read 826 1,310
73.4 DQ Write 405 819
104 DQ Mixed 515 689
409% 582 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
198GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 166 466 212 425 309 386 MB/s
Read 1,222
Write 464
Mixed 1,265
SusWrite 328
183% 820 MB/s
4K Read 46.3
4K Write 208
4K Mixed 82.6
286% 112 MB/s
DQ Read 1,064
DQ Write 450
DQ Mixed 480
429% 665 MB/s
363GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 808 500 667 302 299 361 MB/s
Read 1,354
Write 783
Mixed 1,180
SusWrite 489
212% 952 MB/s
4K Read 44.7
4K Write 111
4K Mixed 61.3
205% 72.2 MB/s
DQ Read 948
DQ Write 726
DQ Mixed 659
541% 777 MB/s
364GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 606 188 599 664 353 687 MB/s
Read 1,126
Write 398
Mixed 1,052
SusWrite 516
172% 773 MB/s
4K Read 46.7
4K Write 112
4K Mixed 62.9
211% 73.9 MB/s
DQ Read 928
DQ Write 667
DQ Mixed 660
530% 752 MB/s
269GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 626 441 664 338 342 307 MB/s
Read 1021
Write 632
Mixed 536
SusWrite 453
147% 661 MB/s
4K Read 31.3
4K Write 99.5
4K Mixed 51.7
166% 60.8 MB/s
DQ Read 818
DQ Write 600
DQ Mixed 347
358% 589 MB/s
217GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 324 431 542 309 259 321 MB/s
Read 550
Write 299
Mixed 546
SusWrite 364
99% 440 MB/s
4K Read 19.8
4K Write 32.7
4K Mixed 26.1
81% 26.2 MB/s
DQ Read 238
DQ Write 96.7
DQ Mixed 185
132% 173 MB/s
15,775 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 71,123,989 SSDs tested.

Typical NVMe KIOXIA 512GB Builds (Compare 9,054 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 124%
UFO
Desktop
Desktop 99%
Nuclear submarine
Workstation
Workstation 123%
UFO

System: Dell XPS 8940

EDIT WITH CUSTOM PC BUILDER Value: 110% - Outstanding Total price: $495

Popular NVMe 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.
  • - 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) September 2023 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

1071 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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