Kbg40zns256g

NVMe KIOXIA 256GB

NVMe KIOXIA 256GB
BENCHMARKS (1,713)
MKT (0.1%)
BUILDS
(0)

Effective Speed +61% Effective Speed 61%Average Score +79% Read 143%, Write 127%, 4K Read 22%, 4K Write -1%, Mixed 171%, 4K Mixed 19%, SusWrite 70%Peak Score +102% Read 198%, Write 189%, 4K Read 29%, 4K Write 15%, Mixed 210%, 4K Mixed 28%, SusWrite 48%Value & Sentiment -207%User Rating -44%, Market Share -370%Nice To Haves +195% DQ Read 237%, DQ Write 110%, DQ Mixed 119%, ADQ Read 153%, ADQ Write 43%, ADQ Mixed 119%, Age 621%, AS-SSD Total 160%

Average Bench: 158% (116^th of 1026)

Based on 1,713 user benchmarks. Model: KBG40ZNS256G NVMe KIOXIA 256GB

Poor: 92%Average: 158% Great: 207%

Popular builds with this SSD

Outstanding average bench

The Kbg40zns256g NVMe KIOXIA 256GB averaged 58.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg40zns256g NVMe KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 559MB/s

Avg. 4K-64Thread Read Speed 813MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg40zns256g NVMe KIOXIA 256GB is 115%. This is a particularly wide range which indicates that the Kbg40zns256g NVMe KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 509MB/s

Avg. 4K Random Write Speed 87.4MB/s

Average Bench

(Based on 1,713 samples)

Rank 116158%

Min	Avg	Max
618	Read 1,120	1,498
423	Write 939	1,402
499	Mixed 974	1286
338	SusWrite 509	581
198% 886 MB/s

Min	Avg	Max
20.5	4K Read 40.8	52.8
37.4	4K Write 87.4	138
27	4K Mixed 53	71.7
176% 60.4 MB/s

Min	Avg	Max
303	DQ Read 813	1,232
134	DQ Write 415	750
215	DQ Mixed 559	696
430% 596 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

BEL-User, 59 mins ago.

124GB free (System drive)

Firmware: 10410104 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 899 818 372 370 378 382 MB/s

177% Outstanding

Write 1,230

Mixed 1,099

SusWrite 537

240% 1,074 MB/s

4K Read 45.1

4K Write 96.1

4K Mixed 59

195% 66.7 MB/s

DQ Read 776

DQ Write 428

DQ Mixed 556

426% 587 MB/s

USA-User, 2 hrs ago.

174GB free

Firmware: 10410104 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 410 416 409 406 348 329 MB/s

135% Outstanding

Write 446

Mixed 463

SusWrite 386

100% 443 MB/s

4K Read 47

4K Write 104

4K Mixed 62

206% 71 MB/s

DQ Read 830

DQ Write 424

DQ Mixed 684

493% 646 MB/s

1,713 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 29,454,362 SSDs tested.

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CPU

GPU

SSD

HDD

RAM

MBD

Typical NVMe KIOXIA 256GB Builds (Compare 2,620 builds) See popular component choices, score breakdowns and rankings.

Gaming 16%

Surfboard

Desktop 87%

Aircraft carrier

Workstation 64%

Destroyer

System: Dell G7 7790

CPU
Core i7-9750HIntelBench 82%, 143,645 samples	1,952x
Core i7-8750HIntelBench 79%, 249,196 samples	347x
Core i5-9300HIntelBench 74%, 38,540 samples	238x

GPU
UHD Graphics 630IntelBench 6%, 207,558 samples	1,372x
RTX 2060 (Mobile)NvidiaBench 66%, 25,018 samples	902x
RTX 2070 (Mobile Max-Q)NvidiaBench 80%, 4,241 samples	206x

SSD
NVMe KIOXIA 256GBKbg40zns256gBench 158%, 1,713 samples	181x

RAM
HMA81GS6JJR8N-VK 2x8GBUnknownBench 75%, 7,215 samples	800x
M471A1K43DB1-CTD 2x8GBSamsungBench 77%, 18,943 samples	401x
KHYXPX-MIE 2x8GBUnknownBench 75%, 2,548 samples	257x

EDIT WITH CUSTOM PC BUILDER

Popular NVMe KIOXIA 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 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.
- 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.
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- Share your opinion by voting.

Solid State Drive Rankings (Price vs Performance) August 2020 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.

1026 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 i5-9600K $195	Nvidia GTX 1660S (Super) $230	Crucial MX500 250GB $45
Intel Core i5-9400F $156	Nvidia GTX 1650S (Super) $170	Samsung 850 Evo 120GB $78
Intel Core i7-9700K $322	Nvidia RTX 2070S (Super) $510	Samsung 860 Evo 250GB $48

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71	SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85	G.SKILL Trident Z DDR4 3200 C14 4x16GB $681	SanDisk Extreme 16GB $24

Kbg40zns256g

NVMe KIOXIA 256GB

Average Bench: 158% (116^th of 1026)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell G7 7790

Popular NVMe KIOXIA 256GB systems:

UserBenchmark of the month

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Comments

Speed Comparisons

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Best User Rated

Kbg40zns256g

NVMe KIOXIA 256GB

Average Bench: 158% (116th of 1026)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell G7 7790

Popular NVMe KIOXIA 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: 158% (116^th of 1026)