Average Bench: 160% (130th of 1058)

Based on 361 user benchmarks.  Model: NVMe KBG40ZNV256G KIOXIA

Outstanding average bench

The Nvme KBG40ZNV256G KIOXIA 256GB averaged 59.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZNV256G KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 609MB/s
Avg. 4K-64Thread Read Speed 836MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNV256G KIOXIA 256GB is 106%. This is a particularly wide range which indicates that the Nvme KBG40ZNV256G KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 502MB/s
Avg. 4K Random Write Speed 102MB/s
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Average Bench

(Based on 361 samples)
Min Avg Max
801 Read 1,102 1,537
636 Write 970 1,430
676 Mixed 956 1,274
414 SusWrite 502 566
198% 883 MB/s
Min Avg Max
28 4K Read 43 54
55.4 4K Write 102 183
32.8 4K Mixed 52.8 74.4
187% 65.9 MB/s
Min Avg Max
436 DQ Read 836 1,252
201 DQ Write 400 775
353 DQ Mixed 609 708
454% 615 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
163GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1016 863 380 378 377 380 MB/s
Read 1599
Write 1,485
Mixed 1,337
SusWrite 566
279% 1,247 MB/s
4K Read 54.4
4K Write 176
4K Mixed 74.4
271% 102 MB/s
DQ Read 1,176
DQ Write 786
DQ Mixed 688
592% 883 MB/s
166GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 905 849 388 403 402 404 MB/s
Read 1,538
Write 1,475
Mixed 1284
SusWrite 559
272% 1,214 MB/s
4K Read 53.8
4K Write 186
4K Mixed 76.4
278% 105 MB/s
DQ Read 1194
DQ Write 756
DQ Mixed 706
599% 885 MB/s
102GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1019 817 400 400 402 406 MB/s
Read 1,490
Write 1,439
Mixed 1,311
SusWrite 574
270% 1,203 MB/s
4K Read 51.9
4K Write 129
4K Mixed 70
237% 83.6 MB/s
DQ Read 1,001
DQ Write 768
DQ Mixed 668
558% 812 MB/s
177GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 631 627 546 348 370 387 MB/s
Read 1,210
Write 990
Mixed 959
SusWrite 485
204% 911 MB/s
4K Read 49.3
4K Write 111
4K Mixed 59.5
210% 73.2 MB/s
DQ Read 827
DQ Write 365
DQ Mixed 705
494% 632 MB/s
189GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 626 661 537 382 377 377 MB/s
Read 980
Write 911
Mixed 981
SusWrite 494
189% 841 MB/s
4K Read 52.1
4K Write 121
4K Mixed 60.1
220% 77.6 MB/s
DQ Read 764
DQ Write 336
DQ Mixed 508
388% 536 MB/s
177GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 535 619 534 353 368 375 MB/s
Read 1,025
Write 945
Mixed 849
SusWrite 464
184% 821 MB/s
4K Read 46.7
4K Write 114
4K Mixed 58.1
205% 72.8 MB/s
DQ Read 750
DQ Write 395
DQ Mixed 579
429% 575 MB/s
140GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 598 678 519 345 392 373 MB/s
Read 1,076
Write 1,010
Mixed 969
SusWrite 484
199% 885 MB/s
4K Read 34.4
4K Write 65.7
4K Mixed 43.8
143% 48 MB/s
DQ Read 732
DQ Write 389
DQ Mixed 539
406% 553 MB/s
185GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 596 571 579 302 308 347 MB/s
Read 965
Write 881
Mixed 751
SusWrite 450
171% 762 MB/s
4K Read 32.1
4K Write 83.4
4K Mixed 42.8
148% 52.8 MB/s
DQ Read 622
DQ Write 292
DQ Mixed 358
292% 424 MB/s
177GB free (System drive)
Firmware: HP00AE00 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 546 561 509 387 357 360 MB/s
Read 845
Write 887
Mixed 676
SusWrite 453
161% 715 MB/s
4K Read 27.1
4K Write 70.6
4K Mixed 44.6
136% 47.4 MB/s
DQ Read 756
DQ Write 310
DQ Mixed 647
449% 571 MB/s
361 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,232,080 SSDs tested.

Typical KBG40ZNV256G KIOXIA 256GB Builds (Compare 744 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 21%
Surfboard
Desktop
Desktop 84%
Aircraft carrier
Workstation
Workstation 19%
Surfboard

System: HP Laptop 15s-fq2xxx

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZNV256G 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.
  • - 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]

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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 $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk 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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