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Kbg40znv512g

TOSHIBA MEMORY 512GB

▲ 500 ▼

Release date ≈ Q1 2020.

Average Bench: 141% (167th of 1072)

Based on 135 user benchmarks.  Model: KBG40ZNV512G TOSHIBA MEMORY
Poor: 86%Average: 141% Great: 189%

Popular builds with this SSD

Outstanding average bench

The Kbg40znv512g TOSHIBA MEMORY 512GB averaged 40.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40znv512g TOSHIBA MEMORY 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 524MB/s
Avg. 4K-64Thread Read Speed 750MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40znv512g TOSHIBA MEMORY 512GB is 103%. This is a particularly wide range which indicates that the Kbg40znv512g TOSHIBA MEMORY 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 469MB/s
Avg. 4K Random Write Speed 85.2MB/s
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Average Bench

(Based on 135 samples)
Rank 167141%
Min Avg Max
510 Read 925 1,287
390 Write 849 1,243
439 Mixed 841 1,112
352 SusWrite 469 550
173% 771 MB/s
Min Avg Max
16.6 4K Read 37.7 53.4
27.6 4K Write 85.2 138
17.7 4K Mixed 48 71.1
164% 57 MB/s
Min Avg Max
321 DQ Read 750 1,194
98.9 DQ Write 345 703
229 DQ Mixed 524 696
395% 540 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
436GB free (System drive)
Firmware: AEJA0104
SusWrite @10s intervals: 643 636 511 292 305 286 MB/s
154% Outstanding
Read 932
Write 832
Mixed 845
SusWrite 445
171% 764 MB/s
4K Read 44.8
4K Write 97.7
4K Mixed 55.7
191% 66.1 MB/s
DQ Read 941
DQ Write 402
DQ Mixed 595
461% 646 MB/s
81GB free (System drive)
Firmware: AEJA0104
SusWrite @10s intervals: 642 670 391 360 359 356 MB/s
144% Outstanding
Read 854
Write 878
Mixed 899
SusWrite 463
174% 774 MB/s
4K Read 43.1
4K Write 89.6
4K Mixed 56.1
185% 62.9 MB/s
DQ Read 822
DQ Write 257
DQ Mixed 588
421% 556 MB/s
214GB free (System drive)
Firmware: AEJA0104
SusWrite @10s intervals: 500 439 507 467 376 359 MB/s
124% Outstanding
Read 846
Write 705
Mixed 787
SusWrite 441
156% 695 MB/s
4K Read 32.1
4K Write 69.7
4K Mixed 43.5
141% 48.4 MB/s
DQ Read 656
DQ Write 220
DQ Mixed 534
369% 470 MB/s
424GB free (System drive)
Firmware: AEJA0104
SusWrite @10s intervals: 387 511 551 365 270 271 MB/s
112% Outstanding
Read 784
Write 739
Mixed 810
SusWrite 393
153% 681 MB/s
4K Read 36.8
4K Write 72.4
4K Mixed 43.3
150% 50.8 MB/s
DQ Read 314
DQ Write 138
DQ Mixed 272
189% 241 MB/s
28GB free (System drive)
Firmware: AEJA0104
SusWrite @10s intervals: 317 294 304 272 118 51 MB/s
106% Outstanding
Read 872
Write 382
Mixed 396
SusWrite 226
103% 469 MB/s
4K Read 30.7
4K Write 90.6
4K Mixed 38.2
143% 53.2 MB/s
DQ Read 407
DQ Write 190
DQ Mixed 217
183% 271 MB/s
172GB free (System drive)
Firmware: AEJA0104
SusWrite @10s intervals: 385 389 383 367 363 326 MB/s
84.2% Excellent
Read 494
Write 402
Mixed 430
SusWrite 369
95% 424 MB/s
4K Read 24.2
4K Write 43.4
4K Mixed 30.6
99% 32.7 MB/s
DQ Read 367
DQ Write 127
DQ Mixed 328
221% 274 MB/s
135 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,731,143 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 TOSHIBA MEMORY 512GB Builds (Compare 38 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 18%
Surfboard
Desktop
Desktop 75%
Battleship
Workstation
Workstation 17%
Surfboard

System: Dynabook TECRA A40-J

CPU
Core i7-1165G7IntelBench 66%, 51,565 samples17x
Core i5-1135G7IntelBench 69%, 36,962 samples14x
Core i7-1185G7IntelBench 67%, 9,588 samples4x
GPU
Iris XeIntelBench 14%, 144,774 samples37x
UHD GraphicsIntelBench 9%, 39,662 samples1x
SSD
TOSHIBA MEMORY 512GBKbg40znv512gBench 141%, 135 samples18x
RAM
M471A1K43DB1-CWE 2x8GBSamsungBench 86%, 69,946 samples8x
M471A1K43DB1-CWE 1x8GBSamsungBench 45%, 34,565 samples5x
M471A2G43AB2-CWE 1x16GBSamsungBench 40%, 7,175 samples4x
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Popular TOSHIBA MEMORY 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
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Solid State Drive Rankings (Price vs Performance) April 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 $269Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $178Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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