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Kbg20zms512g

NVMe TOSHIBA 512GB

▲ 500 ▼

Release date ≈ Q4 2017.

Average Bench: 115% (199th of 1072)

Based on 123 user benchmarks.  Model: KBG20ZMS512G NVMe TOSHIBA 512GB
Poor: 54%Average: 115% Great: 157%

Popular builds with this SSD

Outstanding average bench

The Kbg20zms512g NVMe TOSHIBA 512GB averaged 14.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg20zms512g NVMe TOSHIBA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 289MB/s
Avg. 4K-64Thread Read Speed 624MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg20zms512g NVMe TOSHIBA 512GB is 103%. This is a particularly wide range which indicates that the Kbg20zms512g NVMe TOSHIBA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 231MB/s
Avg. Sustained Write Speed 453MB/s
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Average Bench

(Based on 123 samples)
Rank 199115%
Min Avg Max
365 Read 662 871
133 Write 471 690
21.7 Mixed 482 722
16.6 SusWrite 453 725
116% 517 MB/s
Min Avg Max
14.1 4K Read 34.7 42.8
6.06 4K Write 71.5 103
8.48 4K Mixed 37.7 53.2
139% 48 MB/s
Min Avg Max
219 DQ Read 624 843
91.2 DQ Write 231 342
24.3 DQ Mixed 289 425
250% 381 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
411GB free (System drive)
Firmware: ACDA0101 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 422 436 507 574 528 366 MB/s
119% Outstanding
Read 656
Write 521
Mixed 569
SusWrite 472
125% 555 MB/s
4K Read 35.6
4K Write 77.6
4K Mixed 45.8
154% 53 MB/s
DQ Read 507
DQ Write 228
DQ Mixed 384
280% 373 MB/s
400GB free (System drive)
Firmware: ACDA0101 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 544 540 597 565 582 563 MB/s
118% Outstanding
Read 746
Write 649
Mixed 656
SusWrite 565
147% 654 MB/s
4K Read 29.5
4K Write 55
4K Mixed 38.3
123% 40.9 MB/s
DQ Read 467
DQ Write 201
DQ Mixed 270
217% 312 MB/s
425GB free (System drive)
Firmware: ACDA0101 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 390 421 434 433 397 319 MB/s
99.5% Outstanding
Read 483
Write 453
Mixed 446
SusWrite 399
100% 445 MB/s
4K Read 24.8
4K Write 61.5
4K Mixed 37.2
118% 41.2 MB/s
DQ Read 655
DQ Write 193
DQ Mixed 348
276% 399 MB/s
369GB free (System drive)
Firmware: ACDA0101 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 413 406 421 407 377 382 MB/s
96.4% Outstanding
Read 535
Write 404
Mixed 275
SusWrite 401
90% 404 MB/s
4K Read 27.8
4K Write 73.1
4K Mixed 26.9
115% 42.6 MB/s
DQ Read 521
DQ Write 187
DQ Mixed 121
150% 276 MB/s
72GB free (System drive)
Firmware: ACDA0101 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 305 259 355 287 288 277 MB/s
87.2% Excellent
Read 641
Write 528
Mixed 560
SusWrite 295
113% 506 MB/s
4K Read 25
4K Write 46.1
4K Mixed 32.1
103% 34.4 MB/s
DQ Read 290
DQ Write 213
DQ Mixed 179
153% 227 MB/s
292GB free (System drive)
Firmware: ACDA0102 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 309 361 349 217 286 315 MB/s
49.2% Average
Read 501
Write 238
Mixed 381
SusWrite 306
80% 357 MB/s
4K Read 15.3
4K Write 5
4K Mixed 7.4
35% 9.23 MB/s
123 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,890,458 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 NVMe TOSHIBA 512GB Builds (Compare 294 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 56%
Gunboat
Workstation
Workstation 7%
Tree trunk

System: Dell Inspiron 7586

CPU
Core i7-8565UIntelBench 55%, 81,207 samples193x
Core i5-8265UIntelBench 53%, 87,841 samples101x
GPU
UHD Graphics 620IntelBench 5%, 178,291 samples241x
MX150-0NvidiaBench 14%, 29,453 samples43x
GeForce MX250NvidiaBench 14%, 8,806 samples10x
SSD
NVMe TOSHIBA 512GBKbg20zms512gBench 115%, 123 samples1x
RAM
HMA82GS6CJR8N-VK 1x16GBUnknownBench 44%, 3,713 samples34x
16ATF2G64HZ-2G6E1 1x16GBUnknownBench 44%, 3,487 samples31x
HMA82GS6JJR8N-VK 1x16GBUnknownBench 43%, 5,210 samples29x
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Popular NVMe 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
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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 $289Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $168Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
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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