Kbg40zns256g

BG4A KIOXIA 256GB

BG4A KIOXIA 256GB
BENCHMARKS (1,164)
MKT (0%)
BUILDS
(0)

Effective Speed +29% Effective Speed 29%Average Score +42% Read 73%, Write 71%, 4K Read 10%, 4K Write -13%, Mixed 102%, 4K Mixed -1%, SusWrite 53%Peak Score +64% Read 119%, Write 112%, 4K Read 23%, 4K Write -0%, Mixed 137%, 4K Mixed 17%, SusWrite 38%Value & Sentiment -426%User Rating -14%, Market Share -839%Nice To Haves +81% DQ Read 162%, DQ Write 1%, DQ Mixed 111%, ADQ Read 94%, ADQ Write -20%, ADQ Mixed 70%, Age 140%, AS-SSD Total 85%

Average Bench: 127% (183^rd of 1072)

Based on 1,164 user benchmarks. Model: KBG40ZNS256G BG4A KIOXIA

Poor: 73%Average: 127% Great: 174%

Popular builds with this SSD

Outstanding average bench

The Kbg40zns256g BG4A KIOXIA 256GB averaged 26.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zns256g BG4A KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 442MB/s

Avg. 4K-64Thread Read Speed 634MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zns256g BG4A KIOXIA 256GB is 100%. This is a particularly wide range which indicates that the Kbg40zns256g BG4A KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 453MB/s

Avg. 4K-64Thread Write Speed 241MB/s

Average Bench

(Based on 1,164 samples)

Rank 183127%

Min	Avg	Max
513	Read 792	1,112
321	Write 693	1,026
413	Mixed 726	1,002
291	SusWrite 453	536
150% 666 MB/s

Min	Avg	Max
16.8	4K Read 37.6	52.8
23.5	4K Write 77.2	122
18.3	4K Mixed 44.6	68.3
155% 53.2 MB/s

Min	Avg	Max
202	DQ Read 634	963
88.8	DQ Write 241	362
149	DQ Mixed 442	700
326% 439 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

GBR-User, 12 days ago.

147GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 1083 726 381 381 375 379 MB/s

221% Outstanding

Write 1363

Mixed 1,242

SusWrite 554

261% 1,167 MB/s

4K Read 57

4K Write 171

4K Mixed 78.3

278% 102 MB/s

DQ Read 1,080

DQ Write 781

DQ Mixed 649

561% 837 MB/s

USA-User, 21 days ago.

142GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 754 814 389 386 400 331 MB/s

171% Outstanding

Write 624

Mixed 975

SusWrite 512

181% 811 MB/s

4K Read 50.2

4K Write 121

4K Mixed 52.5

208% 74.6 MB/s

DQ Read 1,002

DQ Write 391

DQ Mixed 679

507% 691 MB/s

USA-User, 21 days ago.

69GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 305 420 383 274 188 153 MB/s

146% Outstanding

Write 701

Mixed 963

SusWrite 287

159% 710 MB/s

4K Read 47.3

4K Write 112

4K Mixed 63.5

212% 74.4 MB/s

DQ Read 865

DQ Write 349

DQ Mixed 675

482% 630 MB/s

CAN-User, 23 hrs ago.

184GB free (System drive)

Firmware: AEMS0105

SusWrite @10s intervals: 478 529 506 471 399 398 MB/s

129% Outstanding

Write 963

Mixed 859

SusWrite 464

189% 845 MB/s

4K Read 31.5

4K Write 57.7

4K Mixed 42.4

133% 43.9 MB/s

DQ Read 520

DQ Write 165

DQ Mixed 352

257% 346 MB/s

GBR-User, 21 days ago.

170GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 544 564 548 362 373 387 MB/s

125% Outstanding

Write 785

Mixed 748

SusWrite 463

157% 697 MB/s

4K Read 36.9

4K Write 78.4

4K Mixed 33.4

140% 49.6 MB/s

DQ Read 806

DQ Write 223

DQ Mixed 384

317% 471 MB/s

USA-User, 10 days ago.

150GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 520 556 503 342 352 353 MB/s

124% Outstanding

Write 748

Mixed 710

SusWrite 438

153% 683 MB/s

4K Read 30.4

4K Write 84.4

4K Mixed 35.3

136% 50 MB/s

DQ Read 803

DQ Write 200

DQ Mixed 331

288% 444 MB/s

1,164 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,654,218 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 256GB Builds (Compare 2,758 builds) See popular component choices, score breakdowns and rankings

Gaming 20%

Surfboard

Desktop 76%

Battleship

Workstation 18%

Surfboard

System: Microsoft Surface Pro 8

CPU
Core i7-1185G7IntelBench 67%, 9,588 samples	1,489x
Core i5-1135G7IntelBench 69%, 36,962 samples	1,078x
Core i5-1145G7IntelBench 69%, 4,608 samples	182x

GPU
Iris XeIntelBench 14%, 144,774 samples	2,616x
RTX 3060Nvidia $270Bench 100%, 447,556 samples	15x
RTX 3080Nvidia $910Bench 187%, 424,051 samples	10x

SSD
BG4A KIOXIA 256GBKbg40zns256gBench 127%, 1,164 samples	822x

RAM
53E1G32D2NP-046 8x2GBMicronBench 109%, 5,383 samples	701x
HCNNNCPMMLXR-NEE 8x2GBHynixBench 116%, 4,501 samples	518x
53E512M32D2NP-046 8x1GBMicronBench 111%, 2,273 samples	504x

EDIT WITH CUSTOM PC BUILDER

Popular BG4A 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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HDD

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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) 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 $134	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184	Nvidia RTX 4070 $409	Samsung 860 Evo 250GB $46

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35	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

Kbg40zns256g

BG4A KIOXIA 256GB

Average Bench: 127% (183^rd of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Microsoft Surface Pro 8

Popular BG4A KIOXIA 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Kbg40zns256g

BG4A KIOXIA 256GB

Average Bench: 127% (183rd of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Microsoft Surface Pro 8

Popular BG4A 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: 127% (183^rd of 1072)