Average Bench: 161% (128th of 1058)

Based on 793 user benchmarks.  Model: NVMe KBG40ZNS256G NVM

Outstanding average bench

The Nvme KBG40ZNS256G NVM 256GB averaged 60.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZNS256G NVM 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 539MB/s
Avg. 4K-64Thread Read Speed 792MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNS256G NVM 256GB is 111%. This is a particularly wide range which indicates that the Nvme KBG40ZNS256G NVM 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 495MB/s
Avg. 4K Random Write Speed 96.1MB/s
ADVERTISEMENT

Average Bench

(Based on 793 samples)
Min Avg Max
563 Read 1,127 1,539
277 Write 958 1,464
417 Mixed 965 1,312
301 SusWrite 495 590
199% 886 MB/s
Min Avg Max
18.6 4K Read 42.7 56.3
39 4K Write 96.1 157
27.2 4K Mixed 56.4 77
188% 65.1 MB/s
Min Avg Max
225 DQ Read 792 1,309
104 DQ Write 427 747
118 DQ Mixed 539 707
420% 586 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
212GB free (System drive)
Firmware: 0105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 852 918 405 252 162 161 MB/s
Read 1,551
Write 1,520
Mixed 1,313
SusWrite 458
271% 1,211 MB/s
4K Read 56
4K Write 135
4K Mixed 74.1
251% 88.5 MB/s
DQ Read 915
DQ Write 646
DQ Mixed 688
539% 750 MB/s
190GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 946 821 393 396 392 392 MB/s
Read 1,502
Write 1526
Mixed 1,298
SusWrite 556
274% 1,220 MB/s
4K Read 54.7
4K Write 133
4K Mixed 72.7
247% 86.9 MB/s
DQ Read 696
DQ Write 488
DQ Mixed 548
421% 577 MB/s
181GB free (System drive)
Firmware: 10410106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 922 877 393 397 395 392 MB/s
Read 1,022
Write 979
Mixed 998
SusWrite 563
200% 891 MB/s
4K Read 56.3
4K Write 140
4K Mixed 77.3
258% 91 MB/s
DQ Read 995
DQ Write 712
DQ Mixed 704
566% 804 MB/s
132GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 953 776 318 292 389 355 MB/s
Read 1,355
Write 742
Mixed 1,104
SusWrite 514
207% 929 MB/s
4K Read 46.1
4K Write 99.7
4K Mixed 60.3
200% 68.7 MB/s
DQ Read 809
DQ Write 566
DQ Mixed 637
489% 671 MB/s
195GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 623 590 601 391 406 405 MB/s
Read 790
Write 734
Mixed 815
SusWrite 503
160% 710 MB/s
4K Read 42.3
4K Write 85.1
4K Mixed 59.5
185% 62.3 MB/s
DQ Read 554
DQ Write 273
DQ Mixed 501
349% 443 MB/s
105GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 284 550 177 370 246 212 MB/s
Read 1,015
Write 378
Mixed 370
SusWrite 306
114% 517 MB/s
4K Read 41.8
4K Write 90.3
4K Mixed 57.2
184% 63.1 MB/s
DQ Read 614
DQ Write 190
DQ Mixed 444
316% 416 MB/s
793 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,240,569 SSDs tested.

Typical KBG40ZNS256G NVM 256GB Builds (Compare 5,481 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 72%
Battleship
Workstation
Workstation 10%
Tree trunk

System: Dell G3 3590

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZNS256G NVM 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 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
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback