Average Bench: 164% (126th of 1058)

Based on 35 user benchmarks.  Model: NVMe KBG40ZPZ256G NVMe KIOXIA 256GB
Poor: 138%Average: 164% Great: 203%

Outstanding average bench

The Nvme KBG40ZPZ256G KIOXIA 256GB averaged 63.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZPZ256G KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 629MB/s
Avg. 4K-64Thread Read Speed 914MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZPZ256G KIOXIA 256GB is 64.5%. This is a particularly wide range which indicates that the Nvme KBG40ZPZ256G KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 491MB/s
Avg. 4K Random Write Speed 101MB/s
ADVERTISEMENT

Average Bench

(Based on 35 samples)
Min Avg Max
914 Read 1,133 1,583
418 Write 966 1,494
444 Mixed 966 1,313
218 SusWrite 491 634
199% 889 MB/s
Min Avg Max
27.7 4K Read 44.5 60.8
49.9 4K Write 101 195
35 4K Mixed 55.7 86
192% 67 MB/s
Min Avg Max
458 DQ Read 914 1,409
24.8 DQ Write 395 776
234 DQ Mixed 629 710
473% 646 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
114GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 881 915 378 387 404 400 MB/s
Read 1,496
Write 1,394
Mixed 1,267
SusWrite 561
264% 1,179 MB/s
4K Read 52.5
4K Write 116
4K Mixed 67.7
228% 78.7 MB/s
DQ Read 948
DQ Write 753
DQ Mixed 702
566% 801 MB/s
156GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 811 825 410 388 392 384 MB/s
Read 1,150
Write 1,041
Mixed 1,060
SusWrite 535
212% 947 MB/s
4K Read 51.7
4K Write 134
4K Mixed 70.5
239% 85.3 MB/s
DQ Read 1,092
DQ Write 424
DQ Mixed 697
532% 738 MB/s
170GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 755 719 500 389 395 403 MB/s
Read 1,044
Write 879
Mixed 1,042
SusWrite 527
196% 873 MB/s
4K Read 52
4K Write 132
4K Mixed 69.6
238% 84.4 MB/s
DQ Read 1,001
DQ Write 426
DQ Mixed 688
516% 705 MB/s
147GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 454 455 438 496 374 380 MB/s
Read 914
Write 787
Mixed 710
SusWrite 433
159% 711 MB/s
4K Read 39
4K Write 88.9
4K Mixed 53.6
175% 60.5 MB/s
DQ Read 704
DQ Write 319
DQ Mixed 620
431% 548 MB/s
124GB free (System drive)
Firmware: 10400105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 466 461 504 516 361 344 MB/s
Read 912
Write 655
Mixed 829
SusWrite 442
159% 709 MB/s
4K Read 38.1
4K Write 70.1
4K Mixed 49
158% 52.4 MB/s
DQ Read 390
DQ Write 306
DQ Mixed 268
222% 321 MB/s
35 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,048,981 SSDs tested.

Typical KBG40ZPZ256G KIOXIA 256GB Builds (Compare 506 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 24%
Surfboard
Desktop
Desktop 87%
Aircraft carrier
Workstation
Workstation 22%
Surfboard

System: Dell XPS 13 9310 2-in-1

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZPZ256G 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.

UserBenchmark of the month

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.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
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]

ADVERTISEMENT

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 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk 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
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback