Average Bench: 159% (132nd of 1058)

Based on 1,256 user benchmarks.  Model: NVMe KBG40ZNS512G NVMe KIOXIA 512GB

Outstanding average bench

The Nvme KBG40ZNS512G KIOXIA 512GB averaged 58.8% 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 555MB/s
Avg. 4K-64Thread Read Speed 765MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNS512G KIOXIA 512GB is 115%. 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 453MB/s
Avg. 4K-64Thread Write Speed 394MB/s
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Average Bench

(Based on 1,256 samples)
Min Avg Max
670 Read 1,070 1,530
444 Write 941 1,399
542 Mixed 933 1,285
311 SusWrite 453 545
190% 850 MB/s
Min Avg Max
26.8 4K Read 44.9 55
50.7 4K Write 115 188
34.4 4K Mixed 57.6 75.6
203% 72.5 MB/s
Min Avg Max
266 DQ Read 765 1,117
132 DQ Write 394 778
174 DQ Mixed 555 685
419% 572 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
280GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 667 695 496 315 170 145 MB/s
Read 1,164
Write 1,097
Mixed 1,015
SusWrite 414
207% 923 MB/s
4K Read 52.4
4K Write 150
4K Mixed 71.9
251% 91.3 MB/s
DQ Read 813
DQ Write 384
DQ Mixed 684
485% 627 MB/s
281GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 658 544 531 325 341 343 MB/s
Read 1,091
Write 1,008
Mixed 870
SusWrite 457
192% 856 MB/s
4K Read 53.2
4K Write 144
4K Mixed 72.6
250% 90 MB/s
DQ Read 760
DQ Write 362
DQ Mixed 643
455% 588 MB/s
380GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 721 727 482 359 362 361 MB/s
Read 1,166
Write 976
Mixed 965
SusWrite 502
202% 902 MB/s
4K Read 47.1
4K Write 116
4K Mixed 65.5
217% 76.2 MB/s
DQ Read 838
DQ Write 333
DQ Mixed 669
473% 613 MB/s
281GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 597 750 552 358 386 387 MB/s
Read 802
Write 387
Mixed 685
SusWrite 505
133% 595 MB/s
4K Read 53.7
4K Write 142
4K Mixed 72.2
249% 89.4 MB/s
DQ Read 771
DQ Write 377
DQ Mixed 666
470% 605 MB/s
406GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 819 819 317 324 309 313 MB/s
Read 1,174
Write 1,031
Mixed 1,027
SusWrite 484
208% 929 MB/s
4K Read 41.4
4K Write 89.5
4K Mixed 49.2
173% 60 MB/s
DQ Read 1,121
DQ Write 409
DQ Mixed 688
529% 739 MB/s
215GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 486 263 229 164 145 98 MB/s
Read 1075
Write 1,015
Mixed 1,040
SusWrite 231
188% 840 MB/s
4K Read 53.1
4K Write 144
4K Mixed 72.4
249% 89.8 MB/s
DQ Read 747
DQ Write 382
DQ Mixed 652
461% 594 MB/s
1,256 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,167,223 SSDs tested.

Typical KBG40ZNS512G KIOXIA 512GB Builds (Compare 1,071 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 19%
Surfboard
Desktop
Desktop 84%
Aircraft carrier
Workstation
Workstation 17%
Surfboard

System: Dell Inspiron 5502

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZNS512G KIOXIA 512GB systems:

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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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  • - CPU tests include: integer, floating and string.
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Solid State Drive Rankings (Price vs Performance) June 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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Intel Core i7-10700K $300Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $94SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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