Average Bench: 117% (191st of 1069)

Based on 147 user benchmarks.  Model: KBG40ZPZ256G BG4A KIOXIA
Poor: 80%Average: 117% Great: 150%

Outstanding average bench

The Kbg40zpz256g BG4A KIOXIA 256GB averaged 16.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zpz256g BG4A KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 409MB/s
Avg. 4K-64Thread Read Speed 556MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Kbg40zpz256g BG4A KIOXIA 256GB is 70.1%. This is a particularly wide range which indicates that the Kbg40zpz256g BG4A KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 213MB/s
Avg. Sustained Write Speed 443MB/s
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Average Bench

(Based on 147 samples)
Min Avg Max
539 Read 716 969
366 Write 646 916
430 Mixed 672 921
339 SusWrite 443 533
139% 619 MB/s
Min Avg Max
12.4 4K Read 34.2 48.9
24.6 4K Write 69.7 107
14.8 4K Mixed 41.4 61.8
142% 48.4 MB/s
Min Avg Max
252 DQ Read 556 775
85.3 DQ Write 213 343
139 DQ Mixed 409 597
296% 393 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
190GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 680 756 414 395 395 398 MB/s
Read 742
Write 853
Mixed 902
SusWrite 506
170% 751 MB/s
4K Read 42.8
4K Write 84.7
4K Mixed 53.1
178% 60.2 MB/s
DQ Read 689
DQ Write 256
DQ Mixed 527
376% 491 MB/s
143GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 546 523 562 225 362 358 MB/s
Read 799
Write 776
Mixed 847
SusWrite 429
160% 713 MB/s
4K Read 32.5
4K Write 63.7
4K Mixed 41.1
136% 45.8 MB/s
DQ Read 568
DQ Write 207
DQ Mixed 416
300% 397 MB/s
122GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 373 207 381 491 480 548 MB/s
Read 796
Write 119
Mixed 273
SusWrite 413
88% 400 MB/s
4K Read 29
4K Write 54.2
4K Mixed 36.2
119% 39.8 MB/s
DQ Read 530
DQ Write 193
DQ Mixed 398
284% 374 MB/s
122GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 424 529 397 371 373 268 MB/s
Read 634
Write 638
Mixed 406
SusWrite 394
116% 518 MB/s
4K Read 25.9
4K Write 39.4
4K Mixed 29.8
98% 31.7 MB/s
DQ Read 424
DQ Write 150
DQ Mixed 245
192% 273 MB/s
116GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 408 429 420 438 382 370 MB/s
Read 575
Write 614
Mixed 563
SusWrite 408
122% 540 MB/s
4K Read 18.1
4K Write 35.4
4K Mixed 32.4
88% 28.6 MB/s
DQ Read 374
DQ Write 77.6
DQ Mixed 147
128% 200 MB/s
147 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 60,766,390 SSDs tested.

Typical BG4A KIOXIA 256GB Builds (Compare 1,319 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 63%
Destroyer
Workstation
Workstation 14%
Tree trunk

System: Microsoft Surface Pro 7

EDIT WITH CUSTOM PC BUILDER

Popular BG4A KIOXIA 256GB 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.
  • - Identify the strongest components in your PC.
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  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
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Solid State Drive Rankings (Price vs Performance) November 2022 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

1069 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 i5-13600K $320Nvidia RTX 3060-Ti $468Crucial MX500 250GB $37
Intel Core i7-12700K $329Nvidia RTX 3070 $450Samsung 850 Evo 120GB $106
Intel Core i5-12400F $170Nvidia RTX 3050 $270Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $41Corsair Vengeance LPX DDR4 3000 C15 2x8GB $50SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3200 C16 2x8GB $50SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $453SanDisk Ultra Fit 32GB $16
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