Sandisk

X400 2.5 7MM 256GB

X400 2.5 7MM 256GB
BENCHMARKS (2,307)
MKT (0%)
BUILDS
(0)

Effective Speed -37%Effective Speed -37%Average Score -47%Read -11%, Write -37%, 4K Read -39%, 4K Write -54%, Mixed -57%, 4K Mixed -47%, SusWrite -82%Peak Score -25%Read -2%, Write -3%, 4K Read -15%, 4K Write -22%, Mixed -24%, 4K Mixed -22%, SusWrite -90%Value & Sentiment -401%User Rating -14%, Market Share -789%Nice To Haves -15%DQ Read -0%, DQ Write -27%, DQ Mixed -40%, ADQ Read -3%, ADQ Write -22%, ADQ Mixed -26%, Age 7%, AS-SSD Total -10%

Average Bench: 71.9% (630^th of 1072)

Based on 2,307 user benchmarks. Model: SanDisk X400 2.5 7MM 256GB

Poor: 50%Average: 71.9% Great: 95%

Popular builds with this SSD

Good average bench

The Sandisk X400 2.5 7MM 256GB averaged 28.0% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 206MB/s

Avg. 4K-64Thread Read Speed 318MB/s

See where your SSD ranks →

Average consistency

The range of scores (95th - 5th percentile) for the Sandisk X400 2.5 7MM 256GB is 44.4%. This is a relatively wide range which indicates that the Sandisk X400 2.5 7MM 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 163MB/s

Avg. Sequential Mixed IO Speed 229MB/s

Average Bench

(Based on 2,307 samples)

Rank 63071.9%

Min	Avg	Max
312	Read 413	496
153	Write 295	470
123	Mixed 229	341
72.1	SusWrite 163	204
61.2% 275 MB/s

Min	Avg	Max
11.3	4K Read 24.7	37.3
26.6	4K Write 57	100
14.3	4K Mixed 30.6	47.9
107% 37.4 MB/s

Min	Avg	Max
189	DQ Read 318	366
111	DQ Write 236	283
105	DQ Mixed 206	237
174% 254 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

DEU-User, 1 day ago.

182GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 186 159 136 167 177 177 MB/s

76.9% Very good

Write 330

Mixed 271

SusWrite 167

69% 308 MB/s

4K Read 24.2

4K Write 53.9

4K Mixed 34.3

109% 37.5 MB/s

DQ Read 357

DQ Write 263

DQ Mixed 218

188% 279 MB/s

USA-User, 2 days ago.

124GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 177 170 175 173 166 168 MB/s

67.1% Good

Write 294

Mixed 208

SusWrite 172

61% 274 MB/s

4K Read 18.2

4K Write 38.5

4K Mixed 26.6

82% 27.8 MB/s

DQ Read 354

DQ Write 274

DQ Mixed 225

192% 284 MB/s

USA-User, 2 days ago.

237GB free

Firmware: X4130012

SusWrite @10s intervals: 270 198 188 187 183 181 MB/s

52.4% Above average

Write 376

Mixed 277

SusWrite 201

70% 314 MB/s

4K Read 17.5

4K Write 21.8

4K Mixed 17.8

61% 19 MB/s

DQ Read 129

DQ Write 106

DQ Mixed 113

86% 116 MB/s

GRC-User, 4 days ago.

154GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 174 187 176 142 166 160 MB/s

51.6% Above average

Write 279

Mixed 219

SusWrite 168

56% 250 MB/s

4K Read 12.8

4K Write 28.4

4K Mixed 20.1

60% 20.4 MB/s

DQ Read 254

DQ Write 144

DQ Mixed 178

138% 192 MB/s

2,307 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,723,253 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

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CPU

GPU

SSD

HDD

RAM

MBD

Typical X400 2.5 7MM 256GB Builds (Compare 2,651 builds) See popular component choices, score breakdowns and rankings

Gaming 6%

Tree trunk

Desktop 51%

Yacht

Workstation 6%

Tree trunk

System: Dell Inspiron 5567

CPU
Core i7-7500UIntelBench 48%, 139,101 samples	1,306x
Core i5-7200UIntelBench 45%, 205,332 samples	1,003x
Core i7-7500U VHIntelBench 52%, 2,074 samples	119x

GPU
HD 620 (Mobile Kaby Lake)IntelBench 5%, 387,149 samples	2,423x
HD 520 (Mobile Skylake)IntelBench 4%, 362,113 samples	118x
Radeon R7 M445AMDBench 7%, 623 samples	45x

SSD
X400 2.5 7MM 256GBSandiskBench 72%, 2,307 samples	65x

RAM
HMA81GS6AFR8N-UH 1x8GBHynixBench 37%, 144,145 samples	639x
HMA82GS6AFR8N-UH 1x16GBHynixBench 40%, 22,543 samples	223x
8ATF1G64HZ-2G3B1 1x8GBMicronBench 36%, 24,227 samples	199x

EDIT WITH CUSTOM PC BUILDER

Popular X400 2.5 7MM 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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- 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
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- See speed test results from other users
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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.
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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 $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 $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

Sandisk

X400 2.5 7MM 256GB

Average Bench: 71.9% (630^th of 1072)

Popular builds with this SSD

Good average bench

Strengths

Average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Inspiron 5567

Popular X400 2.5 7MM 256GB systems:

UserBenchmark of the month

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Sandisk

X400 2.5 7MM 256GB

Average Bench: 71.9% (630th of 1072)

Popular builds with this SSD

Good average bench

Strengths

Average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Inspiron 5567

Popular X400 2.5 7MM 256GB systems:

UserBenchmark of the month

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Group Test Results

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Speed Comparisons

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Average Bench: 71.9% (630^th of 1072)