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Nvme

KBG40ZNS512G TOSHIBA 512GB

▲ 500 ▼

Release date ≈ Q4 2020.

Average Bench: 134% (173rd of 1072)

Based on 25 user benchmarks.  Model: NVMe KBG40ZNS512G NVMe TOSHIBA 512GB
Poor: 83%Average: 134% Great: 177%

Popular builds with this SSD

Outstanding average bench

The Nvme KBG40ZNS512G TOSHIBA 512GB averaged 33.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZNS512G TOSHIBA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 471MB/s
Avg. 4K-64Thread Read Speed 688MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNS512G TOSHIBA 512GB is 93.2%. This is a particularly wide range which indicates that the Nvme KBG40ZNS512G TOSHIBA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 434MB/s
Avg. 4K-64Thread Write Speed 288MB/s
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Average Bench

(Based on 25 samples)
Rank 173134%
Min Avg Max
37.8 Read 921 1,479
39.3 Write 676 1,152
23.7 Mixed 694 1,186
198 SusWrite 434 572
152% 681 MB/s
Min Avg Max
5.1 4K Read 32.7 48.8
1.9 4K Write 89.3 140
0.3 4K Mixed 48.1 70.4
158% 56.7 MB/s
Min Avg Max
239 DQ Read 688 1,091
49.5 DQ Write 288 694
206 DQ Mixed 471 713
353% 482 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
233GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 922 832 343 315 369 298 MB/s
177% Outstanding
Read 1131
Write 396
Mixed 1,186
SusWrite 513
180% 807 MB/s
4K Read 43.5
4K Write 128
4K Mixed 60.6
212% 77.5 MB/s
DQ Read 868
DQ Write 694
DQ Mixed 654
524% 739 MB/s
362GB free
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 275 330 173 134 129 148 MB/s
123% Outstanding
Read 935
Write 369
Mixed 381
SusWrite 198
104% 471 MB/s
4K Read 36.4
4K Write 114
4K Mixed 44.1
172% 64.7 MB/s
DQ Read 731
DQ Write 235
DQ Mixed 206
224% 391 MB/s
361GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 510 562 358 248 285 264 MB/s
103% Outstanding
Read 531
Write 727
Mixed 592
SusWrite 371
126% 555 MB/s
4K Read 31.4
4K Write 74.6
4K Mixed 48.9
150% 51.6 MB/s
DQ Read 329
DQ Write 180
DQ Mixed 309
215% 272 MB/s
130GB free (System drive)
Firmware: 10410106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 438 271 512 467 249 278 MB/s
97.2% Outstanding
Read 1,037
Write 563
Mixed 987
SusWrite 369
165% 739 MB/s
4K Read 29
4K Write 24.3
4K Mixed 15.1
76% 22.8 MB/s
DQ Read 315
DQ Write 171
DQ Mixed 293
204% 259 MB/s
390GB free (System drive)
Firmware: 10410102 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 645 698 666 498 683 241 MB/s
87.6% Excellent
Read 1,050
Write 1,033
Mixed 988
SusWrite 572
205% 910 MB/s
4K Read 14.5
4K Write 1.9
4K Mixed 9.4
35% 8.6 MB/s
81GB free (System drive)
Firmware: 10410104 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 529 471 456 186 339 353 MB/s
59.3% Above average
Read 37.8
Write 400
Mixed 307
SusWrite 389
66% 284 MB/s
4K Read 42.4
4K Write 9.7
4K Mixed 0.3
70% 17.5 MB/s
DQ Read 536
DQ Write 171
DQ Mixed 349
259% 352 MB/s
25 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,858,318 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 KBG40ZNS512G TOSHIBA 512GB Builds (Compare 134 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 20%
Surfboard
Desktop
Desktop 77%
Battleship
Workstation
Workstation 18%
Surfboard

System: Dell Latitude 9520

CPU
Core i7-1185G7IntelBench 67%, 9,588 samples128x
Core i5-1145G7IntelBench 69%, 4,608 samples6x
GPU
Iris XeIntelBench 14%, 144,774 samples133x
GeForce RTX 3060 TiNvidiaBench 132%, 26,559 samples1x
SSD
KBG40ZNS512G TOSHIBA 512GBNvmeBench 134%, 25 samples1x
RAM
8x2GBHCNNNCPMBLHR-NEEBench 120%, 551 samples46x
8x4GBHCNNNFAMBLHR-NEEBench 118%, 229 samples42x
8x2GBUnknown-046Bench 109%, 331 samples33x
EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZNS512G TOSHIBA 512GB 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.

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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) 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 $254Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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