Kbg40zpz256g

NVMe KIOXIA 256GB

NVMe KIOXIA 256GB
BENCHMARKS (109)
MKT (0%)
BUILDS
(0)

Effective Speed +25% Effective Speed 25%Average Score +34% Read 89%, Write 72%, 4K Read -15%, 4K Write -47%, Mixed 113%, 4K Mixed -18%, SusWrite 44%Peak Score +69% Read 145%, Write 116%, 4K Read 13%, 4K Write -15%, Mixed 171%, 4K Mixed 6%, SusWrite 44%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +106% DQ Read 202%, DQ Write 101%, DQ Mixed 111%, ADQ Read 126%, ADQ Write 11%, ADQ Mixed 90%, Age 78%, AS-SSD Total 131%

Average Bench: 123% (186^th of 1072)

Based on 109 user benchmarks. Model: KBG40ZPZ256G NVMe KIOXIA 256GB

Poor: 83%Average: 123% Great: 174%

Popular builds with this SSD

Outstanding average bench

The Kbg40zpz256g NVMe KIOXIA 256GB averaged 23.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zpz256g NVMe KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 494MB/s

Avg. 4K-64Thread Read Speed 739MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zpz256g NVMe KIOXIA 256GB is 91.1%. This is a particularly wide range which indicates that the Kbg40zpz256g NVMe KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 59.6MB/s

Avg. Sustained Write Speed 427MB/s

Average Bench

(Based on 109 samples)

Rank 186123%

Min	Avg	Max
508	Read 865	1,243
188	Write 697	1049
294	Mixed 763	1,145
102	SusWrite 427	556
154% 688 MB/s

Min	Avg	Max
11.2	4K Read 29.9	48.7
18.3	4K Write 59.6	106
13.8	4K Mixed 38.1	62
126% 42.5 MB/s

Min	Avg	Max
326	DQ Read 739	1,109
117	DQ Write 322	721
68.3	DQ Mixed 494	698
376% 518 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

GBR-User, 6 months ago.

166GB free (System drive)

Firmware: 10400105 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 368 362 268 521 513 315 MB/s

125% Outstanding

Write 788

Mixed 783

SusWrite 391

159% 707 MB/s

4K Read 39.7

4K Write 55.3

4K Mixed 46.4

149% 47.1 MB/s

DQ Read 683

DQ Write 224

DQ Mixed 316

269% 408 MB/s

GBR-User, 8 months ago.

161GB free (System drive)

Firmware: 10400105 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 473 375 366 399 374 330 MB/s

104% Outstanding

Write 739

Mixed 803

SusWrite 386

155% 692 MB/s

4K Read 34.3

4K Write 37.8

4K Mixed 35.7

118% 35.9 MB/s

DQ Read 346

DQ Write 112

DQ Mixed 300

203% 253 MB/s

USA-User, 29 days ago.

72GB free (System drive)

Firmware: 10400106 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 393 393 346 317 266 286 MB/s

101% Outstanding

Write 351

Mixed 926

SusWrite 334

114% 504 MB/s

4K Read 36.9

4K Write 76.1

4K Mixed 51.2

162% 54.7 MB/s

DQ Read 390

DQ Write 212

DQ Mixed 327

236% 310 MB/s

VNM-User, 6 months ago.

139GB free (System drive)

Firmware: 10400105 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 449 378 442 470 579 689 MB/s

94.4% Outstanding

Write 217

Mixed 632

SusWrite 501

107% 477 MB/s

4K Read 22

4K Write 37.8

4K Mixed 24.8

85% 28.2 MB/s

DQ Read 498

DQ Write 187

DQ Mixed 366

264% 350 MB/s

DEU-User, 6 months ago.

46GB free (System drive)

Firmware: 10400106 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 318 217 210 286 234 139 MB/s

78.9% Very good

Write 331

Mixed 725

SusWrite 234

99% 441 MB/s

4K Read 12.2

4K Write 69.7

4K Mixed 41.9

109% 41.3 MB/s

DQ Read 319

DQ Write 137

DQ Mixed 323

214% 260 MB/s

USA-User, 9 months ago.

11GB free (System drive)

Firmware: 10400104 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 84 57 58 23 25 38 MB/s

66.3% Good

Write 62.5

Mixed 111

SusWrite 47.4

46% 213 MB/s

4K Read 23

4K Write 36.7

4K Mixed 27.5

90% 29.1 MB/s

DQ Read 404

DQ Write 53.7

DQ Mixed 82.7

98% 180 MB/s

GBR-User, 4 months ago.

214GB free (System drive)

Firmware: 10400105 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 336 300 297 312 325 381 MB/s

53.6% Above average

Write 259

Mixed 302

SusWrite 325

64% 282 MB/s

4K Read 6.7

4K Write 21.7

4K Mixed 12.2

37% 13.5 MB/s

DQ Read 383

DQ Write 177

DQ Mixed 235

186% 265 MB/s

109 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,875,969 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 256GB Builds (Compare 567 builds) See popular component choices, score breakdowns and rankings

Gaming 15%

Surfboard

Desktop 61%

Destroyer

Workstation 14%

Tree trunk

System: Dell XPS 13 7390 2-in-1

CPU
Core i7-1065G7IntelBench 53%, 58,314 samples	538x
Core i5-1035G1IntelBench 51%, 53,170 samples	25x
Core i3-1005G1IntelBench 44%, 22,960 samples	4x

GPU
Iris Plus G7IntelBench 9%, 52,498 samples	515x
UHD G1IntelBench 5%, 68,603 samples	29x
RTX 2080Nvidia $389Bench 124%, 316,424 samples	4x

SSD
NVMe KIOXIA 256GBKbg40zpz256gBench 123%, 109 samples	1x

RAM
K4UBE3D4AA-MGCL 2x8GBSamsungBench 104%, 7,828 samples	162x
H9HCNNNCPMALHR-NEE 2x8GBHynixBench 102%, 3,263 samples	110x
H9HCNNNFAMALTR-NEE 2x16GBHynixBench 104%, 356 samples	109x

EDIT WITH CUSTOM PC BUILDER

Popular NVMe 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

CPU

GPU

SSD

HDD

RAM

USB

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) May 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]

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.

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 »

CPU	GPU	SSD
Intel Core i5-13600K $254	Nvidia RTX 4060 $293	Crucial MX500 250GB $39
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175	Nvidia RTX 4070 $550	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Kbg40zpz256g

NVMe KIOXIA 256GB

Average Bench: 123% (186^th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 13 7390 2-in-1

Popular NVMe KIOXIA 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Kbg40zpz256g

NVMe KIOXIA 256GB

Average Bench: 123% (186th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 13 7390 2-in-1

Popular NVMe KIOXIA 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Share a related link

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 123% (186^th of 1072)