Average Bench: 158% (146th of 1072)

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 BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
158GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1118 760 366 365 365 365 MB/s
Read 1,588
Write 1,459
Mixed 1,248
SusWrite 556
272% 1,213 MB/s
4K Read 60.5
4K Write 224
4K Mixed 87.7
323% 124 MB/s
DQ Read 1,272
DQ Write 836
DQ Mixed 664
600% 924 MB/s
327GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 729 673 585 356 359 359 MB/s
Read 1238
Write 499
Mixed 1,053
SusWrite 510
184% 825 MB/s
4K Read 45.7
4K Write 99.7
4K Mixed 57.9
196% 67.8 MB/s
DQ Read 642
DQ Write 270
DQ Mixed 522
369% 478 MB/s
271GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 491 564 595 325 498 627 MB/s
Read 1,140
Write 140
Mixed 899
SusWrite 517
149% 674 MB/s
4K Read 42
4K Write 84.8
4K Mixed 49.6
172% 58.8 MB/s
DQ Read 350
DQ Write 193
DQ Mixed 295
213% 279 MB/s
211GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 515 512 521 405 351 353 MB/s
Read 929
Write 627
Mixed 893
SusWrite 443
162% 723 MB/s
4K Read 34.1
4K Write 102
4K Mixed 58.3
180% 64.6 MB/s
DQ Read 546
DQ Write 306
DQ Mixed 522
363% 458 MB/s
91GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 230 575 588 486 322 316 MB/s
Read 1,104
Write 574
Mixed 593
SusWrite 420
149% 672 MB/s
4K Read 35.3
4K Write 36.4
4K Mixed 54.5
143% 42.1 MB/s
DQ Read 561
DQ Write 237
DQ Mixed 354
274% 384 MB/s
221GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 604 453 455 262 347 270 MB/s
Read 1,095
Write 980
Mixed 971
SusWrite 398
193% 861 MB/s
4K Read 37.2
4K Write 58.2
4K Mixed 43.3
143% 46.2 MB/s
DQ Read 364
DQ Write 160
DQ Mixed 295
210% 273 MB/s
36GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 243 274 313 268 146 323 MB/s
Read 667
Write 149
Mixed 668
SusWrite 261
97% 436 MB/s
4K Read 45.6
4K Write 20.7
4K Mixed 37.9
129% 34.7 MB/s
DQ Read 829
DQ Write 442
DQ Mixed 657
483% 643 MB/s
63GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 444 305 379 390 376 373 MB/s
Read 286
Write 106
Mixed 1,040
SusWrite 378
103% 452 MB/s
4K Read 41.5
4K Write 73
4K Mixed 50.1
166% 54.9 MB/s
DQ Read 459
DQ Write 168
DQ Mixed 299
225% 309 MB/s
4,729 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,677,078 SSDs tested

Typical KBG40ZNS512G KIOXIA 512GB Builds (Compare 10,163 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: 96% - Outstanding Total price: $557

Popular KBG40ZNS512G KIOXIA 512GB systems:

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Solid State Drive Rankings (Price vs Performance) April 2024 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

1072 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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