Average Bench: 158% (132nd of 1058)

Based on 289 user benchmarks.  Model: NVMe KBG40ZPZ512G NVMe KIOXIA 512GB
Poor: 117%Average: 158% Great: 200%

Outstanding average bench

The Nvme KBG40ZPZ512G KIOXIA 512GB averaged 58.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZPZ512G KIOXIA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 572MB/s
Avg. 4K-64Thread Read Speed 863MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZPZ512G KIOXIA 512GB is 83.1%. This is a particularly wide range which indicates that the Nvme KBG40ZPZ512G KIOXIA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 479MB/s
Avg. 4K Random Write Speed 99.7MB/s
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Average Bench

(Based on 289 samples)
Min Avg Max
841 Read 1,100 1,486
618 Write 960 1,369
709 Mixed 962 1,257
384 SusWrite 479 538
196% 875 MB/s
Min Avg Max
30 4K Read 42.5 51.2
51.1 4K Write 99.7 160
34.1 4K Mixed 53.6 68.4
186% 65.3 MB/s
Min Avg Max
400 DQ Read 863 1,119
193 DQ Write 367 723
283 DQ Mixed 572 692
435% 601 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
415GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 734 761 452 371 370 370 MB/s
Read 1,187
Write 1,023
Mixed 1030
SusWrite 510
210% 937 MB/s
4K Read 50.5
4K Write 137
4K Mixed 68.2
236% 85.1 MB/s
DQ Read 1,050
DQ Write 431
DQ Mixed 694
526% 725 MB/s
241GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 859 866 354 365 366 368 MB/s
Read 1,098
Write 1,009
Mixed 980
SusWrite 530
203% 904 MB/s
4K Read 49.2
4K Write 128
4K Mixed 66.2
227% 81.3 MB/s
DQ Read 1,070
DQ Write 423
DQ Mixed 670
516% 721 MB/s
365GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 595 683 508 361 365 358 MB/s
Read 985
Write 922
Mixed 863
SusWrite 478
182% 812 MB/s
4K Read 41.4
4K Write 122
4K Mixed 55
198% 72.7 MB/s
DQ Read 948
DQ Write 347
DQ Mixed 682
495% 659 MB/s
209GB free (System drive)
Firmware: 10400106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 587 585 535 348 355 346 MB/s
Read 1,102
Write 838
Mixed 987
SusWrite 459
190% 846 MB/s
4K Read 45.2
4K Write 96.8
4K Mixed 53.9
189% 65.3 MB/s
DQ Read 638
DQ Write 223
DQ Mixed 434
320% 432 MB/s
289 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,320,439 SSDs tested.

Typical KBG40ZPZ512G KIOXIA 512GB Builds (Compare 512 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 24%
Surfboard
Desktop
Desktop 87%
Aircraft carrier
Workstation
Workstation 21%
Surfboard

System: Dell XPS 13 9310 2-in-1

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZPZ512G 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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  • - Download and run UserBenchMark.
  • - 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.
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  • - 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $390Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk 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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