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Nvme

KBG40ZNV256G KIOXIA 256GB

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

Effective Speed -309%Effective Speed -309%Average Score -322%Read -351%, Write -545%, 4K Read -125%, 4K Write -152%, Mixed -319%, 4K Mixed -140%, SusWrite -626%Peak Score -337%Read -315%, Write -389%, 4K Read -265%, 4K Write -152%, Mixed -292%, 4K Mixed -222%, SusWrite -722%Value & Sentiment -2,680%User Rating -37%, Market Share -5,322%Nice To Haves -193%DQ Read -111%, DQ Write -159%, DQ Mixed -209%, ADQ Read -188%, ADQ Write -330%, ADQ Mixed -245%, Age -147%, AS-SSD Total -158%

Average Bench: 133% (182^nd of 1080)

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 182133%

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%

USA-User, 16 days ago.

90GB free (System drive)

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

SusWrite @10s intervals: 681 759 569 385 333 401 MB/s

195% Outstanding

Write 1,417

Mixed 1,180

SusWrite 521

255% 1,138 MB/s

4K Read 50.3

4K Write 125

4K Mixed 65.8

226% 80.3 MB/s

DQ Read 947

DQ Write 660

DQ Mixed 663

533% 757 MB/s

USA-User, 8 days ago.

148GB free (System drive)

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

SusWrite @10s intervals: 467 475 444 488 374 387 MB/s

128% Outstanding

Write 693

Mixed 750

SusWrite 439

151% 673 MB/s

4K Read 40.4

4K Write 84.6

4K Mixed 46.6

166% 57.2 MB/s

DQ Read 568

DQ Write 234

DQ Mixed 443

317% 415 MB/s

DOM-User, 10 days ago.

70GB free (System drive)

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

SusWrite @10s intervals: 529 416 244 663 832 510 MB/s

127% Outstanding

Write 109

Mixed 1,052

SusWrite 532

140% 623 MB/s

4K Read 41.1

4K Write 73.2

4K Mixed 48.8

164% 54.4 MB/s

DQ Read 238

DQ Write 271

DQ Mixed 300

213% 270 MB/s

USA-User, 7 days ago.

89GB free (System drive)

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

SusWrite @10s intervals: 483 419 324 448 357 323 MB/s

109% Outstanding

Write 465

Mixed 924

SusWrite 392

124% 548 MB/s

4K Read 43.6

4K Write 82.6

4K Mixed 51.7

176% 59.3 MB/s

DQ Read 437

DQ Write 181

DQ Mixed 346

247% 322 MB/s

1,406 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 77,589,491 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 2,809 builds) See popular component choices, score breakdowns and rankings

Gaming 17%

Surfboard

Desktop 76%

Battleship

Workstation 15%

Surfboard

System: HP Laptop 15-dy2xxx

CPU
Core i5-1135G7IntelBench 68%, 82,426 samples	1,309x
Core i7-1165G7IntelBench 66%, 51,565 samples	549x
Core i3-1115G4IntelBench 51%, 18,815 samples	394x

GPU
Iris XeIntelBench 14%, 144,774 samples	1,858x
UHD GraphicsIntelBench 9%, 39,662 samples	945x
Xe GraphicsIntelBench 8%, 1 sample	1x

SSD
KBG40ZNV256G KIOXIA 256GBNvmeBench 133%, 1,406 samples	195x

RAM
M471A5244CB0-CWE 2x4GBSamsungBench 72%, 26,749 samples	706x
HMA851S6DJR6N-XN 2x4GBHynixBench 71%, 7,522 samples	351x
NT8GA64D88CX3S-JR 1x8GBNanyaBench 35%, 3,823 samples	149x

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.

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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
- 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) November 2024 SSD Rankings

Welcome to our 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.

1080 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 i5-12400F $111	Nvidia RTX 4060 $290	WD Black SN850X M.2 2TB $130
Intel Core i5-12600K $164	Nvidia RTX 4060-Ti $389	WD Black SN850X M.2 1TB $80
Intel Core i5-13600K $210	Nvidia RTX 4070 $500	Crucial T700 M.2 4TB $389

Nvme

KBG40ZNV256G KIOXIA 256GB