Average Bench: 128% (166th of 1058)

Based on 591 user benchmarks.  Model: KBG40ZPZ512G NVMe KIOXIA 512GB
Poor: 86%Average: 128% Great: 178%

Outstanding average bench

The Kbg40zpz512g NVMe KIOXIA 512GB averaged 28.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zpz512g NVMe KIOXIA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 518MB/s
Avg. 4K-64Thread Read Speed 747MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zpz512g NVMe KIOXIA 512GB is 92.4%. This is a particularly wide range which indicates that the Kbg40zpz512g NVMe KIOXIA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 63.1MB/s
Avg. Sustained Write Speed 448MB/s
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Average Bench

(Based on 591 samples)
Min Avg Max
616 Read 911 1,294
335 Write 767 1,226
396 Mixed 810 1,174
265 SusWrite 448 540
165% 734 MB/s
Min Avg Max
14.7 4K Read 30.9 47.4
19.3 4K Write 63.1 123
15.4 4K Mixed 39.4 64.6
131% 44.5 MB/s
Min Avg Max
292 DQ Read 747 1,176
132 DQ Write 334 734
199 DQ Mixed 518 689
390% 533 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
441GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1013 787 366 368 371 369 MB/s
Read 1041
Write 1,257
Mixed 1,077
SusWrite 546
221% 980 MB/s
4K Read 57.2
4K Write 187
4K Mixed 81.7
290% 108 MB/s
DQ Read 1,317
DQ Write 789
DQ Mixed 687
610% 931 MB/s
436GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 994 802 364 359 366 368 MB/s
Read 1,057
Write 1,290
Mixed 1,060
SusWrite 542
222% 987 MB/s
4K Read 56.4
4K Write 167
4K Mixed 70.1
264% 97.9 MB/s
DQ Read 1,313
DQ Write 790
DQ Mixed 667
600% 924 MB/s
399GB free (System drive)
Firmware: 10400106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 557 567 587 361 370 370 MB/s
Read 857
Write 706
Mixed 744
SusWrite 469
156% 694 MB/s
4K Read 34.7
4K Write 56.6
4K Mixed 41
135% 44.1 MB/s
DQ Read 283
DQ Write 186
DQ Mixed 248
181% 239 MB/s
320GB free (System drive)
Firmware: 10400104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 297 299 310 314 316 315 MB/s
Read 582
Write 321
Mixed 303
SusWrite 308
84% 379 MB/s
4K Read 19
4K Write 48.8
4K Mixed 23.2
84% 30.3 MB/s
DQ Read 654
DQ Write 248
DQ Mixed 200
214% 367 MB/s
68GB free (System drive)
Firmware: 10400104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 45 24 21 23 24 59 MB/s
Read 884
Write 127
Mixed 128
SusWrite 32.5
62% 293 MB/s
4K Read 13
4K Write 35.7
4K Mixed 14.6
57% 21.1 MB/s
DQ Read 410
DQ Write 60.4
DQ Mixed 60.2
89% 177 MB/s
591 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,082,684 SSDs tested.

Typical NVMe KIOXIA 512GB Builds (Compare 1,172 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 18%
Surfboard
Desktop
Desktop 73%
Battleship
Workstation
Workstation 16%
Surfboard

System: Dell XPS 13 7390 2-in-1

EDIT WITH CUSTOM PC BUILDER

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.
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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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The Best.
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Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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