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Nvme

KBG40ZNT256G TOS 256GB

▲ 500 ▼

Release date ≈ Q3 2020.

Average Bench: 174% (129th of 1072)

Based on 34 user benchmarks.  Model: NVMe KBG40ZNT256G TOS
Poor: 128%Average: 174% Great: 206%

Popular builds with this SSD

Outstanding average bench

The Nvme KBG40ZNT256G TOS 256GB averaged 73.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZNT256G TOS 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 608MB/s
Avg. 4K-64Thread Read Speed 865MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNT256G TOS 256GB is 78.1%. This is a particularly wide range which indicates that the Nvme KBG40ZNT256G TOS 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 512MB/s
Avg. 4K Random Write Speed 106MB/s
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Average Bench

(Based on 34 samples)
Rank 129174%
Min Avg Max
497 Read 1,194 1,563
255 Write 1,057 1,536
369 Mixed 1,068 1,371
314 SusWrite 512 666
215% 958 MB/s
Min Avg Max
0 4K Read 45.1 62.8
54.3 4K Write 106 206
31.4 4K Mixed 61.2 88.9
203% 70.7 MB/s
Min Avg Max
425 DQ Read 865 1,364
125 DQ Write 558 846
183 DQ Mixed 608 734
481% 677 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
80GB free (System drive)
Firmware: 0109AELA Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1056 682 407 410 406 310 MB/s
170% Outstanding
Read 1,220
Write 562
Mixed 1,257
SusWrite 545
200% 896 MB/s
4K Read 47.4
4K Write 102
4K Mixed 59
201% 69.4 MB/s
DQ Read 693
DQ Write 458
DQ Mixed 311
303% 487 MB/s
162GB free (System drive)
Firmware: 0105AELA Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 796 849 403 397 404 333 MB/s
162% Outstanding
Read 764
Write 978
Mixed 1,044
SusWrite 530
188% 829 MB/s
4K Read 47.2
4K Write 116
4K Mixed 60.6
211% 74.7 MB/s
DQ Read 889
DQ Write 640
DQ Mixed 393
394% 640 MB/s
77GB free (System drive)
Firmware: AELA Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 441 329 495 315 197 295 MB/s
145% Outstanding
Read 497
Write 722
Mixed 1,316
SusWrite 345
164% 720 MB/s
4K Read 49.9
4K Write 139
4K Mixed 68.8
238% 86 MB/s
DQ Read 904
DQ Write 440
DQ Mixed 367
354% 570 MB/s
172GB free (System drive)
Firmware: 0105AELA Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 800 628 308 365 378 332 MB/s
138% Outstanding
Read 1,091
Write 718
Mixed 1,022
SusWrite 468
185% 825 MB/s
4K Read 30.2
4K Write 67.8
4K Mixed 43.4
137% 47.1 MB/s
DQ Read 623
DQ Write 384
DQ Mixed 462
355% 489 MB/s
172GB free
Firmware: 0105AELA Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 686 712 511 361 370 377 MB/s
135% Outstanding
Read 833
Write 788
Mixed 769
SusWrite 503
163% 723 MB/s
4K Read 36.4
4K Write 81.1
4K Mixed 48.8
161% 55.4 MB/s
DQ Read 573
DQ Write 369
DQ Mixed 314
277% 419 MB/s
174GB free (System drive)
Firmware: 0105AELA Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 692 719 534 397 404 385 MB/s
122% Outstanding
Read 915
Write 962
Mixed 723
SusWrite 522
175% 781 MB/s
4K Read 27.2
4K Write 54.3
4K Mixed 31.4
110% 37.6 MB/s
DQ Read 425
DQ Write 460
DQ Mixed 565
392% 484 MB/s
34 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,901,330 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical KBG40ZNT256G TOS 256GB Builds (Compare 3 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 74%
Battleship
Workstation
Workstation 13%
Tree trunk

System: Lenovo 11A9S09100

CPU
Ryzen 5 3350G Vega GraphicsAMDBench 70%, 977 samples3x
GPU
Radeon RX Vega 11 GraphicsAMDBench 16%, 47,368 samples3x
SSD
KBG40ZNT256G TOS 256GBNvmeBench 174%, 34 samples4x
RAM
AM2P24HC4U1-B9QS Ramaxel RMUA5120ME86H9F-2666 8GBAdataBench 36%, 1 sample1x
CMK8GX4M1Z3200C16 M4U08S681QMMM52-12 Hynix HMA81GU6DJR8N-XN 24GBUnknownBench 55%, 2 samples1x
HMA81GU6DJR8N-XN M4U08S681QMMM52-12 16GBHynixBench 82%, 3 samples1x
EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZNT256G TOS 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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) May 2024 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.

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Speed Comparisons

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1072 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $280Crucial MX500 250GB $39
Intel Core i5-12400F $128Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $165Nvidia RTX 4070 $550Samsung 870 Evo 250GB $29
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $39SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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