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Kbg40zpz128g

BG4A KIOXIA 128GB

▲ 500 ▼

Release date ≈ Q3 2021.

Average Bench: 88% (359th of 1072)

Based on 267 user benchmarks.  Model: KBG40ZPZ128G BG4A KIOXIA
Poor: 41%Average: 88% Great: 131%

Popular builds with this SSD

Very good average bench

The Kbg40zpz128g BG4A KIOXIA 128GB averaged just 11.9% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zpz128g BG4A KIOXIA 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 245MB/s
Avg. 4K Random Read Speed 31.6MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zpz128g BG4A KIOXIA 128GB is 89.3%. This is a particularly wide range which indicates that the Kbg40zpz128g BG4A KIOXIA 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 145MB/s
Avg. Sustained Write Speed 288MB/s
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Average Bench

(Based on 267 samples)
Rank 35988%
Min Avg Max
322 Read 577 825
202 Write 433 750
252 Mixed 458 675
151 SusWrite 288 394
98.2% 439 MB/s
Min Avg Max
10.6 4K Read 31.6 46.2
11 4K Write 50.6 88.2
9.14 4K Mixed 34 54.6
118% 38.7 MB/s
Min Avg Max
114 DQ Read 357 692
56.9 DQ Write 145 255
77.8 DQ Mixed 245 473
183% 249 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
67GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 329 280 298 311 233 223 MB/s
83.1% Excellent
Read 478
Write 467
Mixed 416
SusWrite 279
92% 410 MB/s
4K Read 31
4K Write 53.7
4K Mixed 37.3
123% 40.7 MB/s
DQ Read 250
DQ Write 130
DQ Mixed 187
140% 189 MB/s
34GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 407 345 183 176 167 148 MB/s
77.4% Very good
Read 118
Write 345
Mixed 422
SusWrite 238
64% 281 MB/s
4K Read 34
4K Write 62.2
4K Mixed 41
137% 45.7 MB/s
DQ Read 509
DQ Write 187
DQ Mixed 338
252% 344 MB/s
61GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 344 336 398 292 190 194 MB/s
62.1% Good
Read 501
Write 346
Mixed 406
SusWrite 292
86% 386 MB/s
4K Read 13.3
4K Write 27.4
4K Mixed 13.2
52% 18 MB/s
DQ Read 298
DQ Write 86.2
DQ Mixed 308
197% 231 MB/s
39GB free (System drive)
Firmware: AEMS0104
SusWrite @10s intervals: 240 229 263 239 136 96 MB/s
51.8% Above average
Read 471
Write 296
Mixed 380
SusWrite 200
75% 337 MB/s
4K Read 16.1
4K Write 19
4K Mixed 16.7
56% 17.3 MB/s
DQ Read 97.5
DQ Write 53.2
DQ Mixed 66.2
52% 72.3 MB/s
267 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,715,126 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 BG4A KIOXIA 128GB Builds (Compare 312 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 46%
Yacht
Workstation
Workstation 7%
Tree trunk

System: Microsoft Surface Go 3

CPU
Core i3-10100YIntelBench 41%, 161 samples173x
Pentium GOLD 6500YIntelBench 42%, 201 samples139x
GPU
UHD Graphics 615IntelBench 4%, 2,909 samples312x
SSD
BG4A KIOXIA 128GBKbg40zpz128gBench 88%, 267 samples198x
RAM
H9CCNNNCPTALBR-NUD 2x4GBHynixBench 58%, 1,779 samples309x
NT6CL512F64A7-H1 2x4GBNanyaBench 46%, 2 samples2x
H9CCNNNBKTALBR-NTD 2x2GBHynixBench 49%, 744 samples1x
EDIT WITH CUSTOM PC BUILDER

Popular BG4A KIOXIA 128GB 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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  • - 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

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
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vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

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 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia 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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