Nvme

KBG40ZNV256G KIOXIA 256GB

KBG40ZNV256G KIOXIA 256GB
BENCHMARKS (1,406)
MKT (0%)
BUILDS
(0)

Effective Speed +35% Effective Speed 35%Average Score +51% Read 103%, Write 79%, 4K Read 14%, 4K Write -7%, Mixed 115%, 4K Mixed 2%, SusWrite 47%Peak Score +91% Read 182%, Write 172%, 4K Read 20%, 4K Write 23%, Mixed 182%, 4K Mixed 16%, SusWrite 44%Value & Sentiment -429%User Rating -14%, Market Share -844%Nice To Haves +104% DQ Read 200%, DQ Write 105%, DQ Mixed 105%, ADQ Read 82%, ADQ Write 1%, ADQ Mixed 65%, Age 129%, AS-SSD Total 140%

Average Bench: 133% (174^th of 1072)

Based on 1,406 user benchmarks. Model: NVMe KBG40ZNV256G KIOXIA

Poor: 77%Average: 133% Great: 203%

Popular builds with this SSD

Outstanding average bench

The Nvme KBG40ZNV256G KIOXIA 256GB averaged 33.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZNV256G KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 430MB/s

Avg. 4K-64Thread Read Speed 595MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNV256G KIOXIA 256GB is 126%. This is a particularly wide range which indicates that the Nvme KBG40ZNV256G KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 436MB/s

Avg. 4K Random Write Speed 82.1MB/s

Average Bench

(Based on 1,406 samples)

Rank 174133%

Min	Avg	Max
457	Read 930	1,430
178	Write 724	1,317
378	Mixed 773	1,195
270	SusWrite 436	557
160% 716 MB/s

Min	Avg	Max
16.8	4K Read 39.1	51.6
29.1	4K Write 82.1	150
20.8	4K Mixed 46	67.7
162% 55.7 MB/s

Min	Avg	Max
239	DQ Read 595	1,102
110	DQ Write 292	734
172	DQ Mixed 430	680
323% 439 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

IND-User, 8 days ago.

115GB free (System drive)

Firmware: HP00AE00 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 521 703 631 367 279 120 MB/s

167% Outstanding

Write 1,387

Mixed 1,076

SusWrite 437

220% 976 MB/s

4K Read 25.3

4K Write 177

4K Mixed 36.9

179% 79.8 MB/s

DQ Read 1,432

DQ Write 696

DQ Mixed 677

606% 935 MB/s

DEU-User, 3 days ago.

172GB free (System drive)

Firmware: HP00AE00 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 449 453 634 476 367 401 MB/s

160% Outstanding

Write 1459

Mixed 629

SusWrite 463

194% 862 MB/s

4K Read 49.1

4K Write 114

4K Mixed 64.9

218% 76 MB/s

DQ Read 728

DQ Write 534

DQ Mixed 224

278% 495 MB/s

USA-User, 4 days ago.

181GB free (System drive)

Firmware: HP00AE00 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 661 536 524 362 331 323 MB/s

145% Outstanding

Write 799

Mixed 920

SusWrite 456

180% 806 MB/s

4K Read 46.6

4K Write 85.6

4K Mixed 54.9

186% 62.4 MB/s

DQ Read 525

DQ Write 251

DQ Mixed 491

337% 422 MB/s

USA-User, 6 days ago.

67GB free (System drive)

Firmware: HP00AE00 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 745 250 591 270 568 671 MB/s

140% Outstanding

Write 219

Mixed 1,057

SusWrite 516

154% 691 MB/s

4K Read 47.4

4K Write 119

4K Mixed 13.8

153% 60.2 MB/s

DQ Read 873

DQ Write 358

DQ Mixed 21.4

173% 417 MB/s

USA-User, 9 days ago.

132GB free (System drive)

Firmware: HP00AE00 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 537 422 468 157 243 332 MB/s

115% Outstanding

Write 587

Mixed 678

SusWrite 360

138% 618 MB/s

4K Read 35.8

4K Write 70.3

4K Mixed 41.4

144% 49.2 MB/s

DQ Read 456

DQ Write 195

DQ Mixed 381

268% 344 MB/s

USA-User, 5 days ago.

71GB free (System drive)

Firmware: HP00AE00 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 378 209 375 333 553 335 MB/s

107% Outstanding

Write 878

Mixed 760

SusWrite 364

161% 719 MB/s

4K Read 30.6

4K Write 56.9

4K Mixed 35.8

122% 41.1 MB/s

DQ Read 307

DQ Write 221

DQ Mixed 481

300% 336 MB/s

BMU-User, 9 days ago.

133GB free (System drive)

Firmware: HP00AE00 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 89 72 62 49 59 58 MB/s

76.2% Very good

Write 800

Mixed 697

SusWrite 64.8

133% 594 MB/s

4K Read 0.3

4K Write 47.9

4K Mixed 47.3

86% 31.8 MB/s

DQ Read 334

DQ Write 81.7

DQ Mixed 94.4

99% 170 MB/s

1,406 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,667,949 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 KBG40ZNV256G KIOXIA 256GB Builds (Compare 2,646 builds) See popular component choices, score breakdowns and rankings

Gaming 17%

Surfboard

Desktop 76%

Battleship

Workstation 16%

Surfboard

System: HP Laptop 15-dy2xxx

CPU
Core i5-1135G7IntelBench 69%, 36,962 samples	1,247x
Core i7-1165G7IntelBench 66%, 51,565 samples	503x
Core i3-1115G4IntelBench 51%, 18,815 samples	377x

GPU
Iris XeIntelBench 14%, 144,774 samples	1,750x
UHD GraphicsIntelBench 9%, 39,662 samples	890x
Xe GraphicsIntelBench 8%, 1 sample	1x

SSD
KBG40ZNV256G KIOXIA 256GBNvmeBench 133%, 1,406 samples	1x

RAM
M471A5244CB0-CWE 2x4GBSamsungBench 72%, 26,749 samples	671x
HMA851S6DJR6N-XN 2x4GBHynixBench 71%, 7,522 samples	335x
NT8GA64D88CX3S-JR 1x8GBNanyaBench 35%, 3,823 samples	145x

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZNV256G 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

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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) 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]

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 $279	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182	Nvidia RTX 4070 $409	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Nvme

KBG40ZNV256G KIOXIA 256GB

Average Bench: 133% (174^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: HP Laptop 15-dy2xxx

Popular KBG40ZNV256G KIOXIA 256GB systems:

UserBenchmark of the month

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Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Nvme

KBG40ZNV256G KIOXIA 256GB

Average Bench: 133% (174th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: HP Laptop 15-dy2xxx

Popular KBG40ZNV256G KIOXIA 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 133% (174^th of 1072)