Kbg40zns512g

BG4A KIOXIA 512GB

BG4A KIOXIA 512GB
BENCHMARKS (495)
MKT (0%)
BUILDS
(0)

Effective Speed +26% Effective Speed 26%Average Score +41% Read 73%, Write 79%, 4K Read 0%, 4K Write -15%, Mixed 104%, 4K Mixed -4%, SusWrite 52%Peak Score +65% Read 119%, Write 124%, 4K Read 18%, 4K Write 5%, Mixed 138%, 4K Mixed 16%, SusWrite 36%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +85% DQ Read 167%, DQ Write 24%, DQ Mixed 106%, ADQ Read 85%, ADQ Write -10%, ADQ Mixed 71%, Age 141%, AS-SSD Total 95%

Average Bench: 124% (186^th of 1071)

Based on 495 user benchmarks. Model: KBG40ZNS512G BG4A KIOXIA

Poor: 77%Average: 124% Great: 171%

Popular builds with this SSD

Outstanding average bench

The Kbg40zns512g BG4A KIOXIA 512GB averaged 24.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zns512g BG4A KIOXIA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 446MB/s

Avg. 4K-64Thread Read Speed 603MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zns512g BG4A KIOXIA 512GB is 94.3%. This is a particularly wide range which indicates that the Kbg40zns512g BG4A KIOXIA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 451MB/s

Avg. 4K-64Thread Write Speed 263MB/s

Average Bench

(Based on 495 samples)

Rank 186124%

Min	Avg	Max
544	Read 793	1,111
370	Write 725	1,086
452	Mixed 734	1,008
343	SusWrite 451	527
152% 676 MB/s

Min	Avg	Max
15.2	4K Read 34.4	50.9
20.8	4K Write 75.9	128
16.8	4K Mixed 43.4	67.8
148% 51.2 MB/s

Min	Avg	Max
116	DQ Read 603	980
105	DQ Write 263	443
129	DQ Mixed 446	681
327% 437 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

USA-User, 1 month ago.

430GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 769 771 437 319 341 349 MB/s

163% Outstanding

Write 1,007

Mixed 1003

SusWrite 498

198% 881 MB/s

4K Read 46.5

4K Write 112

4K Mixed 63.6

211% 73.9 MB/s

DQ Read 851

DQ Write 329

DQ Mixed 659

469% 613 MB/s

USA-User, 1 day ago.

333GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 799 806 410 363 371 369 MB/s

156% Outstanding

Write 1,004

Mixed 981

SusWrite 520

201% 895 MB/s

4K Read 42.7

4K Write 94.2

4K Mixed 55.3

185% 64.1 MB/s

DQ Read 759

DQ Write 302

DQ Mixed 579

416% 547 MB/s

NLD-User, 6 days ago.

426GB free (System drive)

Firmware: AEMS0105

SusWrite @10s intervals: 489 544 442 415 249 349 MB/s

104% Outstanding

Write 811

Mixed 810

SusWrite 415

168% 748 MB/s

4K Read 26.7

4K Write 46

4K Mixed 32.5

106% 35.1 MB/s

DQ Read 194

DQ Write 124

DQ Mixed 210

143% 176 MB/s

USA-User, 19 days ago.

438GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 409 442 418 408 334 320 MB/s

98.5% Outstanding

Write 440

Mixed 487

SusWrite 388

115% 515 MB/s

4K Read 18.8

4K Write 53.7

4K Mixed 27.2

92% 33.2 MB/s

DQ Read 566

DQ Write 179

DQ Mixed 444

309% 396 MB/s

AUS-User, 20 days ago.

296GB free (System drive)

Firmware: AEMS0105

SusWrite @10s intervals: 383 393 388 404 348 349 MB/s

96.3% Outstanding

Write 550

Mixed 688

SusWrite 378

137% 613 MB/s

4K Read 21.2

4K Write 35.4

4K Mixed 25.9

84% 27.5 MB/s

DQ Read 470

DQ Write 145

DQ Mixed 334

240% 316 MB/s

SWE-User, 16 days ago.

386GB free (System drive)

Firmware: AEMS0105

SusWrite @10s intervals: 345 358 365 355 356 285 MB/s

71.4% Very good

Write 361

Mixed 433

SusWrite 344

99% 446 MB/s

4K Read 17.2

4K Write 21.8

4K Mixed 17.3

60% 18.8 MB/s

DQ Read 207

DQ Write 70.3

DQ Mixed 137

102% 138 MB/s

CAN-User, 1 month ago.

406GB free (System drive)

Firmware: AEMS0104

SusWrite @10s intervals: 221 253 237 243 232 243 MB/s

42.4% Average

Write 301

Mixed 356

SusWrite 238

75% 336 MB/s

4K Read 8.1

4K Write 8.5

4K Mixed 7.5

26% 8.03 MB/s

DQ Read 59.7

DQ Write 19.2

DQ Mixed 70.3

44% 49.7 MB/s

495 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,750,284 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 512GB Builds (Compare 1,913 builds) See popular component choices, score breakdowns and rankings

Gaming 20%

Surfboard

Desktop 76%

Battleship

Workstation 18%

Surfboard

System: Microsoft Surface Laptop 4

CPU
Core i7-1185G7IntelBench 67%, 9,588 samples	999x
Core i5-1135G7IntelBench 69%, 36,962 samples	294x
Ryzen 5 Microsoft Surface EditionAMDBench 63%, 613 samples	287x

GPU
Iris XeIntelBench 14%, 144,774 samples	1,481x
RX Vega 8 4000 (iGPU)AMDBench 13%, 162,082 samples	432x

SSD
BG4A KIOXIA 512GBKbg40zns512gBench 124%, 495 samples	1x

RAM
53E1G32D2NP-046 8x2GBMicronBench 109%, 5,383 samples	295x
HCNNNCPMMLXR-NEE 8x2GBHynixBench 116%, 4,501 samples	274x
UBE3D4AA-MGCR 8x2GBSamsungBench 108%, 9,706 samples	242x

EDIT WITH CUSTOM PC BUILDER

Popular BG4A KIOXIA 512GB 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) 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.

1071 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 $269	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 $177	Nvidia RTX 4070 $539	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) $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

Kbg40zns512g

BG4A KIOXIA 512GB

Average Bench: 124% (186^th of 1071)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Microsoft Surface Laptop 4

Popular BG4A KIOXIA 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Kbg40zns512g

BG4A KIOXIA 512GB

Average Bench: 124% (186th of 1071)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Microsoft Surface Laptop 4

Popular BG4A KIOXIA 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 124% (186^th of 1071)