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Kbg40zns512g

NVMe KIOXIA 512GB

▲ 500 ▼

Release date ≈ Q4 2019.

Average Bench: 157% (138th of 1058)

Based on 6,632 user benchmarks.  Model: KBG40ZNS512G NVMe KIOXIA 512GB
Poor: 98%Average: 157% Great: 207%

Popular builds with this SSD

Outstanding average bench

The Kbg40zns512g NVMe KIOXIA 512GB averaged 56.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zns512g NVMe KIOXIA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 565MB/s
Avg. 4K-64Thread Read Speed 792MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zns512g NVMe KIOXIA 512GB is 109%. This is a particularly wide range which indicates that the Kbg40zns512g NVMe KIOXIA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 479MB/s
Avg. 4K Random Write Speed 97.5MB/s
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Average Bench

(Based on 6,632 samples)
Rank 138157%
Min Avg Max
639 Read 1,091 1,514
366 Write 1,002 1,450
366 Mixed 953 1,291
197 SusWrite 479 576
198% 881 MB/s
Min Avg Max
25.3 4K Read 41 51.2
51.8 4K Write 97.5 146
32.2 4K Mixed 53.8 70.7
183% 64.1 MB/s
Min Avg Max
403 DQ Read 792 1,228
119 DQ Write 442 785
126 DQ Mixed 565 688
434% 600 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
419GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1101 773 367 367 366 368 MB/s
208% Outstanding
Read 1,548
Write 1,448
Mixed 1,348
SusWrite 557
274% 1,225 MB/s
4K Read 53.4
4K Write 145
4K Mixed 72.8
251% 90.5 MB/s
DQ Read 881
DQ Write 678
DQ Mixed 638
516% 732 MB/s
338GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1071 464 359 363 363 358 MB/s
201% Outstanding
Read 1,519
Write 1,437
Mixed 1284
SusWrite 496
265% 1,184 MB/s
4K Read 46.2
4K Write 128
4K Mixed 64.9
221% 79.9 MB/s
DQ Read 1,040
DQ Write 808
DQ Mixed 635
554% 828 MB/s
323GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 756 920 331 341 359 350 MB/s
200% Outstanding
Read 1,527
Write 1,358
Mixed 1259
SusWrite 510
260% 1,164 MB/s
4K Read 49.8
4K Write 119
4K Mixed 64.1
221% 77.6 MB/s
DQ Read 1,036
DQ Write 754
DQ Mixed 643
549% 811 MB/s
402GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 797 819 808 692 379 380 MB/s
152% Outstanding
Read 859
Write 413
Mixed 906
SusWrite 646
158% 706 MB/s
4K Read 39.9
4K Write 84.5
4K Mixed 51.8
172% 58.7 MB/s
DQ Read 798
DQ Write 329
DQ Mixed 677
471% 601 MB/s
402GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 761 791 426 240 322 368 MB/s
148% Outstanding
Read 978
Write 1,006
Mixed 935
SusWrite 485
191% 851 MB/s
4K Read 40.1
4K Write 84.5
4K Mixed 51.9
172% 58.8 MB/s
DQ Read 797
DQ Write 355
DQ Mixed 680
476% 611 MB/s
149GB free (System drive)
Firmware: 10410104 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 702 629 321 455 351 301 MB/s
146% Outstanding
Read 1,323
Write 1,243
Mixed 1166
SusWrite 460
235% 1,048 MB/s
4K Read 39.2
4K Write 73.5
4K Mixed 49.3
162% 54 MB/s
DQ Read 360
DQ Write 306
DQ Mixed 329
247% 331 MB/s
138GB free (System drive)
Firmware: 10410105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 563 654 570 226 231 293 MB/s
127% Outstanding
Read 956
Write 682
Mixed 735
SusWrite 423
156% 699 MB/s
4K Read 19
4K Write 99.7
4K Mixed 53.3
150% 57.3 MB/s
DQ Read 520
DQ Write 154
DQ Mixed 512
332% 395 MB/s
6,632 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 42,798,988 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 KIOXIA 512GB Builds (Compare 2,314 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 71%
Battleship
Workstation
Workstation 11%
Tree trunk

System: Dell Inspiron 5593

CPU
Core i7-1065G7IntelBench 65%, 31,233 samples1,379x
Core i5-1035G1IntelBench 66%, 25,858 samples890x
Core i3-1005G1IntelBench 59%, 9,896 samples45x
GPU
Iris Plus G7IntelBench 11%, 27,630 samples1,072x
UHD G1IntelBench 6%, 28,031 samples799x
GeForce MX230NvidiaBench 11%, 3,793 samples443x
SSD
NVMe KIOXIA 512GBKbg40zns512gBench 157%, 6,632 samples518x
RAM
HMA81GS6DJR8N-VK 1x8GBHynixBench 41%, 6,544 samples306x
HMA81GS6JJR8N-VK 1x8GBHynixBench 40%, 37,086 samples274x
KHYXPX-HYJ 1x8GBKingstonBench 41%, 712 samples201x
EDIT WITH CUSTOM PC BUILDER

Popular NVMe KIOXIA 512GB systems:

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Welcome to our freeware 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 upgrades.

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  • - 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 2021 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.

 Comments

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Reaching its prime
Age: 18 months

Speed Comparisons

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1058 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 i5-11400F $196Nvidia RTX 3060-Ti $400Crucial MX500 250GB $50
Intel Core i5-11600K $255Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10600K $217Nvidia RTX 3080 $700Samsung 860 Evo 250GB $40
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $92SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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