Nvme

KBG40ZNS256G NVM 256GB

KBG40ZNS256G NVM 256GB
BENCHMARKS (1,997)
MKT (0%)
BUILDS
(0)

Effective Speed +26% Effective Speed 26%Average Score +41% Read 96%, Write 74%, 4K Read -3%, 4K Write -30%, Mixed 117%, 4K Mixed -7%, SusWrite 41%Peak Score +89% Read 183%, Write 181%, 4K Read 13%, 4K Write -10%, Mixed 198%, 4K Mixed 9%, SusWrite 47%Value & Sentiment -172%User Rating -14%, Market Share -331%Nice To Haves +84% DQ Read 166%, DQ Write 78%, DQ Mixed 108%, ADQ Read 67%, ADQ Write 11%, ADQ Mixed 57%, Age 68%, AS-SSD Total 115%

Average Bench: 124% (186^th of 1072)

Based on 1,997 user benchmarks. Model: NVMe KBG40ZNS256G NVM

Poor: 58%Average: 124% Great: 184%

Popular builds with this SSD

Outstanding average bench

The Nvme KBG40ZNS256G NVM 256GB averaged 23.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme KBG40ZNS256G NVM 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 409MB/s

Avg. 4K-64Thread Read Speed 544MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme KBG40ZNS256G NVM 256GB is 126%. This is a particularly wide range which indicates that the Nvme KBG40ZNS256G NVM 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 417MB/s

Avg. 4K Random Write Speed 67.6MB/s

Average Bench

(Based on 1,997 samples)

Rank 186124%

Min	Avg	Max
228	Read 897	1,435
115	Write 706	1,364
243	Mixed 779	1,260
141	SusWrite 417	570
157% 700 MB/s

Min	Avg	Max
10.5	4K Read 33.4	48.6
15.1	4K Write 67.6	111
11.4	4K Mixed 42.2	63.5
140% 47.7 MB/s

Min	Avg	Max
159	DQ Read 544	978
72.3	DQ Write 322	639
92.6	DQ Mixed 409	688
311% 425 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

GBR-User, 4 days ago.

180GB free (System drive)

Firmware: 10410106 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 782 651 377 405 407 408 MB/s

188% Outstanding

Write 1,358

Mixed 1,264

SusWrite 505

258% 1,150 MB/s

4K Read 48.7

4K Write 111

4K Mixed 63.7

214% 74.4 MB/s

DQ Read 862

DQ Write 578

DQ Mixed 614

487% 685 MB/s

CAN-User, 5 days ago.

189GB free (System drive)

Firmware: 10410105 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 1058 754 381 386 387 389 MB/s

183% Outstanding

Write 1,377

Mixed 1,241

SusWrite 559

260% 1,158 MB/s

4K Read 44.4

4K Write 96.1

4K Mixed 56.2

190% 65.6 MB/s

DQ Read 809

DQ Write 610

DQ Mixed 640

498% 686 MB/s

EGY-User, 1 day ago.

57GB free (System drive)

Firmware: 10410105 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 479 328 367 234 167 126 MB/s

142% Outstanding

Write 787

Mixed 904

SusWrite 284

159% 710 MB/s

4K Read 43.7

4K Write 91.7

4K Mixed 57.1

188% 64.2 MB/s

DQ Read 841

DQ Write 552

DQ Mixed 39.8

207% 478 MB/s

LKA-User, 3 days ago.

126GB free (System drive)

Firmware: 10410106 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 398 787 669 374 668 1036 MB/s

127% Outstanding

Write 98.7

Mixed 860

SusWrite 655

124% 551 MB/s

4K Read 46.9

4K Write 95.1

4K Mixed 37.2

169% 59.7 MB/s

DQ Read 378

DQ Write 206

DQ Mixed 332

236% 306 MB/s

EST-User, 3 days ago.

211GB free (System drive)

Firmware: 0104 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 191 172 135 166 209 190 MB/s

91.8% Outstanding

Write 618

Mixed 461

SusWrite 177

108% 484 MB/s

4K Read 29.5

4K Write 50.1

4K Mixed 40.4

123% 40 MB/s

DQ Read 426

DQ Write 247

DQ Mixed 429

295% 367 MB/s

POL-User, 3 days ago.

102GB free (System drive)

Firmware: 10410106 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 391 166 237 217 260 210 MB/s

83.6% Excellent

Write 493

Mixed 560

SusWrite 247

112% 503 MB/s

4K Read 28.5

4K Write 44.6

4K Mixed 27.9

102% 33.7 MB/s

DQ Read 267

DQ Write 119

DQ Mixed 198

146% 195 MB/s

IND-User, 23 hrs ago.

238GB free

Firmware: 10410106 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 643 656 555 384 360 227 MB/s

74.7% Very good

Write 651

Mixed 644

SusWrite 471

128% 564 MB/s

4K Read 12

4K Write 24.3

4K Mixed 20.4

57% 18.9 MB/s

DQ Read 195

DQ Write 172

DQ Mixed 168

130% 178 MB/s

1,997 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,729,107 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 KBG40ZNS256G NVM 256GB Builds (Compare 3,649 builds) See popular component choices, score breakdowns and rankings

Gaming 13%

Tree trunk

Desktop 74%

Battleship

Workstation 12%

Tree trunk

System: Dell Inspiron 15 3511

CPU
Core i5-1135G7IntelBench 69%, 36,962 samples	1,740x
Core i3-1115G4IntelBench 51%, 18,815 samples	873x
Core i7-1165G7IntelBench 66%, 51,565 samples	543x

GPU
Iris XeIntelBench 14%, 144,774 samples	2,146x
UHD GraphicsIntelBench 9%, 39,662 samples	908x
UHD G1IntelBench 5%, 68,603 samples	458x

SSD
KBG40ZNS256G NVM 256GBNvmeBench 124%, 1,997 samples	1x

RAM
HMAA1GS6CJR6N-XN 1x8GBUnknownBench 32%, 13,137 samples	1,025x
M471A1G44BB0-CWE 1x8GBSamsungBench 34%, 7,899 samples	350x
HMAA1GS6CJR6N-XN 2x8GBUnknownBench 65%, 26,875 samples	285x

EDIT WITH CUSTOM PC BUILDER

Popular KBG40ZNS256G NVM 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 $273	Nvidia RTX 4060 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $179	Nvidia RTX 4070 $539	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) $37	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

KBG40ZNS256G NVM 256GB

Average Bench: 124% (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 Inspiron 15 3511

Popular KBG40ZNS256G NVM 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Nvme

KBG40ZNS256G NVM 256GB

Average Bench: 124% (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 Inspiron 15 3511

Popular KBG40ZNS256G NVM 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 124% (186^th of 1072)