Average Bench: 158% (145th of 1071)

Based on 4,729 user benchmarks.  Model: NVMe KBG40ZNS512G NVMe KIOXIA 512GB

Outstanding average bench

The Nvme KBG40ZNS512G KIOXIA 512GB averaged 57.6% 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 531MB/s
Avg. 4K-64Thread Read Speed 787MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNS512G KIOXIA 512GB is 140%. 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 440MB/s
Avg. 4K-64Thread Write Speed 380MB/s
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Average Bench

(Based on 4,729 samples)
Min Avg Max
550 Read 1,063 1,523
250 Write 879 1,425
284 Mixed 892 1,288
216 SusWrite 440 550
183% 819 MB/s
Min Avg Max
16.1 4K Read 43.4 55.7
37.4 4K Write 117 203
24.4 4K Mixed 58.4 81.9
202% 72.8 MB/s
Min Avg Max
292 DQ Read 787 1,293
117 DQ Write 380 812
119 DQ Mixed 531 679
408% 566 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
399GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 822 870 352 348 358 355 MB/s
Read 1,297
Write 1,422
Mixed 1,148
SusWrite 518
246% 1,096 MB/s
4K Read 46.2
4K Write 102
4K Mixed 56.1
196% 68.2 MB/s
DQ Read 613
DQ Write 462
DQ Mixed 528
397% 534 MB/s
254GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 817 822 417 367 371 370 MB/s
Read 1,234
Write 1,169
Mixed 1,053
SusWrite 527
223% 996 MB/s
4K Read 46.3
4K Write 101
4K Mixed 60.3
201% 69.2 MB/s
DQ Read 754
DQ Write 293
DQ Mixed 560
405% 536 MB/s
264GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 528 290 466 534 323 356 MB/s
Read 1,048
Write 601
Mixed 1,020
SusWrite 416
172% 771 MB/s
4K Read 43.2
4K Write 103
4K Mixed 63.4
201% 69.8 MB/s
DQ Read 672
DQ Write 275
DQ Mixed 342
288% 430 MB/s
146GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 794 512 149 481 334 281 MB/s
Read 1,306
Write 1,346
Mixed 1,151
SusWrite 425
237% 1,057 MB/s
4K Read 41.5
4K Write 61.3
4K Mixed 57.1
168% 53.3 MB/s
DQ Read 463
DQ Write 331
DQ Mixed 232
218% 342 MB/s
295GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 601 702 568 346 350 353 MB/s
Read 975
Write 805
Mixed 876
SusWrite 487
176% 786 MB/s
4K Read 37.2
4K Write 66.9
4K Mixed 43.5
148% 49.2 MB/s
DQ Read 606
DQ Write 264
DQ Mixed 454
332% 441 MB/s
43GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 120 145 35 22 39 34 MB/s
Read 1,180
Write 268
Mixed 180
SusWrite 65.9
91% 423 MB/s
4K Read 32.4
4K Write 69.8
4K Mixed 38
135% 46.7 MB/s
DQ Read 735
DQ Write 103
DQ Mixed 115
162% 318 MB/s
212GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 386 410 376 421 335 307 MB/s
Read 768
Write 717
Mixed 636
SusWrite 372
140% 624 MB/s
4K Read 15.8
4K Write 68.7
4K Mixed 41.3
113% 41.9 MB/s
DQ Read 283
DQ Write 254
DQ Mixed 447
286% 328 MB/s
60GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 258 289 133 175 77 48 MB/s
Read 675
Write 397
Mixed 378
SusWrite 163
89% 403 MB/s
4K Read 29.2
4K Write 88
4K Mixed 36.4
138% 51.2 MB/s
DQ Read 736
DQ Write 283
DQ Mixed 0.1
134% 339 MB/s
4,729 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 63,158,347 SSDs tested.

Typical KBG40ZNS512G KIOXIA 512GB Builds (Compare 7,378 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 125%
UFO
Desktop
Desktop 99%
Nuclear submarine
Workstation
Workstation 123%
UFO

System: Dell XPS 8940

EDIT WITH CUSTOM PC BUILDER Value: 78% - Very good Total price: $726

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.

UserBenchmark of the month

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) January 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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