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Nvme

KBG40ZPZ512G KIOXIA 512GB

▲ 500 ▼

Release date ≈ Q4 2020.

Average Bench: 158% (146th of 1072)

Based on 494 user benchmarks.  Model: NVMe KBG40ZPZ512G NVMe KIOXIA 512GB
Poor: 109%Average: 158% Great: 194%

Popular builds with this SSD

Outstanding average bench

The Nvme KBG40ZPZ512G KIOXIA 512GB averaged 57.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZPZ512G KIOXIA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 562MB/s
Avg. 4K-64Thread Read Speed 846MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZPZ512G KIOXIA 512GB is 85.1%. This is a particularly wide range which indicates that the Nvme KBG40ZPZ512G KIOXIA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 471MB/s
Avg. 4K-64Thread Write Speed 357MB/s
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Average Bench

(Based on 494 samples)
Rank 146158%
Min Avg Max
784 Read 1,079 1,486
536 Write 938 1,320
573 Mixed 940 1,216
350 SusWrite 471 533
192% 857 MB/s
Min Avg Max
28.3 4K Read 43 51.4
49 4K Write 103 158
33.5 4K Mixed 55.3 68.8
191% 67.2 MB/s
Min Avg Max
384 DQ Read 846 1,121
153 DQ Write 357 727
220 DQ Mixed 562 689
426% 588 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
382GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 161 272 491 585 241 450 MB/s
162% Outstanding
Read 1,247
Write 153
Mixed 902
SusWrite 366
147% 667 MB/s
4K Read 45.1
4K Write 120
4K Mixed 63.1
213% 76.1 MB/s
DQ Read 1,049
DQ Write 24.5
DQ Mixed 671
454% 581 MB/s
226GB free (System drive)
Firmware: 10400106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 728 599 591 339 345 350 MB/s
153% Outstanding
Read 1,196
Write 986
Mixed 1,010
SusWrite 492
206% 921 MB/s
4K Read 43.3
4K Write 93.1
4K Mixed 53.3
183% 63.2 MB/s
DQ Read 556
DQ Write 253
DQ Mixed 446
320% 418 MB/s
212GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 490 398 369 482 286 332 MB/s
146% Outstanding
Read 946
Write 812
Mixed 860
SusWrite 393
169% 753 MB/s
4K Read 41.9
4K Write 103
4K Mixed 54.3
188% 66.4 MB/s
DQ Read 869
DQ Write 319
DQ Mixed 606
445% 598 MB/s
108GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 491 296 259 487 426 367 MB/s
134% Outstanding
Read 850
Write 417
Mixed 601
SusWrite 388
126% 564 MB/s
4K Read 45.1
4K Write 62.4
4K Mixed 54.4
171% 54 MB/s
DQ Read 739
DQ Write 279
DQ Mixed 541
392% 520 MB/s
332GB free (System drive)
Firmware: 10400105 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 401 396 316 280 187 346 MB/s
133% Outstanding
Read 993
Write 949
Mixed 968
SusWrite 321
181% 808 MB/s
4K Read 44.3
4K Write 93.7
4K Mixed 55.9
188% 64.6 MB/s
DQ Read 460
DQ Write 219
DQ Mixed 345
254% 341 MB/s
43GB free (System drive)
Firmware: 10400106 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 252 110 70 53 26 44 MB/s
105% Outstanding
Read 923
Write 346
Mixed 399
SusWrite 92.6
96% 440 MB/s
4K Read 27.7
4K Write 82.3
4K Mixed 35.6
131% 48.5 MB/s
DQ Read 706
DQ Write 299
DQ Mixed 216
236% 407 MB/s
494 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,657,958 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 KBG40ZPZ512G KIOXIA 512GB Builds (Compare 645 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 20%
Surfboard
Desktop
Desktop 76%
Battleship
Workstation
Workstation 18%
Surfboard

System: Dell XPS 13 9310 2-in-1

CPU
Core i7-1165G7IntelBench 66%, 51,565 samples566x
Core i5-1135G7IntelBench 69%, 36,962 samples78x
Core i3-1115G4IntelBench 51%, 18,815 samples1x
GPU
Iris XeIntelBench 14%, 144,774 samples606x
RTX 3060-TiNvidia  $340Bench 128%, 442,467 samples6x
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples6x
SSD
KBG40ZPZ512G KIOXIA 512GBNvmeBench 158%, 494 samples336x
RAM
8x2GBUnknownBench 114%, 8,850 samples406x
8x4GBUnknownBench 90%, 5,222 samples203x
8x1GBUnknownBench 98%, 1,329 samples36x
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Popular KBG40ZPZ512G KIOXIA 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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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) 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 $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair 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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