Average Bench: 154% (138th of 1058)

Based on 10,085 user benchmarks.  Model: KBG40ZNS512G NVMe KIOXIA 512GB

Outstanding average bench

The Kbg40zns512g NVMe KIOXIA 512GB averaged 53.9% 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 551MB/s
Avg. 4K-64Thread Read Speed 835MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zns512g NVMe KIOXIA 512GB is 138%. 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 460MB/s
Avg. 4K Random Write Speed 102MB/s
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Average Bench

(Based on 10,085 samples)
Min Avg Max
507 Read 1,006 1,491
211 Write 906 1,430
311 Mixed 880 1,263
168 SusWrite 460 576
182% 813 MB/s
Min Avg Max
16.9 4K Read 42 57.7
31.4 4K Write 102 200
22.4 4K Mixed 54.5 81.1
188% 66.3 MB/s
Min Avg Max
328 DQ Read 835 1,313
110 DQ Write 423 820
117 DQ Mixed 551 692
430% 603 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
148GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1095 779 352 354 360 351 MB/s
Read 1,563
Write 1,465
Mixed 1,297
SusWrite 548
273% 1,218 MB/s
4K Read 55.4
4K Write 149
4K Mixed 74.2
258% 92.7 MB/s
DQ Read 1,129
DQ Write 776
DQ Mixed 634
559% 846 MB/s
429GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 598 632 545 367 369 370 MB/s
Read 1,117
Write 1,051
Mixed 1,048
SusWrite 480
207% 924 MB/s
4K Read 47.6
4K Write 116
4K Mixed 63.7
215% 75.7 MB/s
DQ Read 804
DQ Write 350
DQ Mixed 569
424% 575 MB/s
382GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 527 573 537 309 328 321 MB/s
Read 928
Write 728
Mixed 684
SusWrite 432
155% 693 MB/s
4K Read 24.3
4K Write 48.8
4K Mixed 29.6
101% 34.2 MB/s
DQ Read 601
DQ Write 285
DQ Mixed 491
351% 459 MB/s
56GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 136 109 78 52 36 38 MB/s
Read 777
Write 368
Mixed 390
SusWrite 74.9
88% 403 MB/s
4K Read 29.1
4K Write 69.9
4K Mixed 35.3
126% 44.8 MB/s
DQ Read 681
DQ Write 188
DQ Mixed 115
168% 328 MB/s
56GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 77 83 50 38 23 23 MB/s
Read 596
Write 65
Mixed 130
SusWrite 49
45% 210 MB/s
4K Read 20
4K Write 20.3
4K Mixed 18.7
65% 19.7 MB/s
DQ Read 403
DQ Write 66.1
DQ Mixed 92.8
104% 187 MB/s
10,085 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 49,499,237 SSDs tested.

Typical NVMe KIOXIA 512GB Builds (Compare 2,824 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 70%
Battle cruiser
Workstation
Workstation 10%
Tree trunk

System: Dell Inspiron 5593

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

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  • - CPU tests include: integer, floating and string.
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  • - 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) December 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 $315Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
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WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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