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Nvme

KBG50ZNS256G KIOXIA 256GB

▲ 500 ▼

Release date ≈ Q2 2022.

Average Bench: 160% (143rd of 1072)

Based on 816 user benchmarks.  Model: NVMe KBG50ZNS256G NVMe KIOXIA 256GB
Poor: 78%Average: 160% Great: 272%

Popular builds with this SSD

Outstanding average bench

The Nvme KBG50ZNS256G KIOXIA 256GB averaged 60.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG50ZNS256G KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 557MB/s
Avg. Sequential Read Speed 1,290MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG50ZNS256G KIOXIA 256GB is 194%. This is a particularly wide range which indicates that the Nvme KBG50ZNS256G KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 415MB/s
Avg. 4K Random Write Speed 93.6MB/s
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Average Bench

(Based on 816 samples)
Rank 143160%
Min Avg Max
555 Read 1,290 2,079
351 Write 920 1,665
382 Mixed 848 1,364
270 SusWrite 415 523
193% 868 MB/s
Min Avg Max
20.4 4K Read 46.7 66.5
21.5 4K Write 93.6 203
19 4K Mixed 54.5 95.1
190% 65 MB/s
Min Avg Max
194 DQ Read 702 1,516
106 DQ Write 422 1,298
159 DQ Mixed 557 1,330
416% 560 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
18GB free (System drive)
Firmware: 11200108 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 37 36 32 34 39 37 MB/s
443% Outstanding
Read 4,285
Write 46.8
Mixed 92.3
SusWrite 35.9
232% 1,115 MB/s
4K Read 668
4K Write 3
4K Mixed 6
1,021% 226 MB/s
137GB free (System drive)
Firmware: 11200108 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1222 381 374 388 388 391 MB/s
240% Outstanding
Read 2,000
Write 1,468
Mixed 1,290
SusWrite 524
294% 1,320 MB/s
4K Read 59.1
4K Write 125
4K Mixed 82.3
261% 88.8 MB/s
DQ Read 1165
DQ Write 909
DQ Mixed 1,074
794% 1,049 MB/s
166GB free (System drive)
Firmware: 11200108 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1133 389 377 388 388 392 MB/s
214% Outstanding
Read 1,661
Write 1,303
Mixed 1,189
SusWrite 511
260% 1,166 MB/s
4K Read 60.6
4K Write 135
4K Mixed 81
267% 92.3 MB/s
DQ Read 1,046
DQ Write 419
DQ Mixed 873
609% 779 MB/s
94GB free (System drive)
Firmware: 11200108 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 509 327 354 358 367 370 MB/s
136% Outstanding
Read 1267
Write 850
Mixed 844
SusWrite 381
186% 835 MB/s
4K Read 47
4K Write 59.3
4K Mixed 48.6
165% 51.6 MB/s
DQ Read 318
DQ Write 172
DQ Mixed 222
171% 237 MB/s
123GB free (System drive)
Firmware: 11200108 Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 467 324 327 305 334 346 MB/s
130% Outstanding
Read 1,208
Write 823
Mixed 785
SusWrite 350
176% 792 MB/s
4K Read 33.6
4K Write 67.5
4K Mixed 37.8
135% 46.3 MB/s
DQ Read 582
DQ Write 261
DQ Mixed 363
284% 402 MB/s
816 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,652,597 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 KBG50ZNS256G KIOXIA 256GB Builds (Compare 1,884 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 13%
Tree trunk
Desktop
Desktop 75%
Battleship
Workstation
Workstation 12%
Tree trunk

System: Dell Latitude 3520

CPU
Core i5-1135G7IntelBench 69%, 36,962 samples1,077x
Core i7-1165G7IntelBench 66%, 51,565 samples549x
Core i3-1115G4IntelBench 51%, 18,815 samples108x
GPU
Iris XeIntelBench 14%, 144,774 samples1,688x
UHD GraphicsIntelBench 9%, 39,662 samples117x
GeForce MX450NvidiaBench 29%, 1,913 samples30x
SSD
KBG50ZNS256G KIOXIA 256GBNvmeBench 160%, 816 samples1x
RAM
HMAA1GS6CJR6N-XN 1x8GBUnknownBench 32%, 13,137 samples383x
M471A1G44BB0-CWE 1x8GBSamsungBench 34%, 7,899 samples144x
HMAA2GS6CJR8N-XN 1x16GBUnknownBench 40%, 3,085 samples105x
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Popular KBG50ZNS256G KIOXIA 256GB 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.

UserBenchmark of the month

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.

 Comments

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Speed Comparisons

vs Crucial MX500 250GB
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vs Samsung 850 Pro 512GB
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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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