Sandisk

X400 256GB

X400 256GB
BENCHMARKS (159)
MKT (0%)
BUILDS
(0)

Effective Speed -47%Effective Speed -47%Average Score -66%Read -5%, Write -45%, 4K Read -68%, 4K Write -94%, Mixed -33%, 4K Mixed -116%, SusWrite -98%Peak Score -46%Read -2%, Write -11%, 4K Read -45%, 4K Write -86%, Mixed -6%, 4K Mixed -73%, SusWrite -97%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves -40%DQ Read -5%, DQ Write -35%, DQ Mixed -46%, ADQ Read -24%, ADQ Write -38%, ADQ Mixed -164%, Age 8%, AS-SSD Total -20%

Average Bench: 67.2% (712^th of 1072)

Based on 159 user benchmarks. Model: SanDisk X400

Poor: 48%Average: 67.2% Great: 84%

Popular builds with this SSD

Above average average bench

The Sandisk X400 256GB averaged 32.8% 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 98.7MB/s

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

See where your SSD ranks →

Above average consistency

The range of scores (95th - 5th percentile) for the Sandisk X400 256GB is 36.6%. This is a relatively wide range which indicates that the Sandisk X400 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 150MB/s

Avg. Sequential Mixed IO Speed 269MB/s

Average Bench

(Based on 159 samples)

Rank 71267.2%

Min	Avg	Max
316	Read 437	499
122	Write 279	438
124	Mixed 269	398
49.9	SusWrite 150	197
63.1% 284 MB/s

Min	Avg	Max
10.2	4K Read 20.4	29.6
22.9	4K Write 45.2	65.8
10.5	4K Mixed 20.8	33.6
81.4% 28.8 MB/s

Min	Avg	Max
25.1	DQ Read 263	351
43.7	DQ Write 210	266
14.1	DQ Mixed 98.7	227
111% 191 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

ITA-User, 2 years ago.

153GB free (System drive)

Firmware: X413

SusWrite @10s intervals: 207 199 199 195 194 175 MB/s

70.7% Very good

Write 232

Mixed 248

SusWrite 195

61% 272 MB/s

4K Read 23.3

4K Write 41.9

4K Mixed 27.9

93% 31 MB/s

DQ Read 348

DQ Write 247

DQ Mixed 215

183% 270 MB/s

USA-User, 24 months ago.

144GB free (System drive)

Firmware: X4130012

SusWrite @10s intervals: 192 183 148 166 163 169 MB/s

68.5% Good

Write 228

Mixed 253

SusWrite 170

57% 255 MB/s

4K Read 22.6

4K Write 52.9

4K Mixed 33.9

106% 36.5 MB/s

DQ Read 191

DQ Write 262

DQ Mixed 21.5

74% 158 MB/s

USA-User, 2 years ago.

188GB free (System drive)

Firmware: X415

SusWrite @10s intervals: 196 170 161 155 166 163 MB/s

63.5% Good

Write 100

Mixed 191

SusWrite 168

47% 212 MB/s

4K Read 18.4

4K Write 37.9

4K Mixed 26.8

82% 27.7 MB/s

DQ Read 333

DQ Write 195

DQ Mixed 181

157% 236 MB/s

IND-User, 2 years ago.

25GB free (System drive)

Firmware: X4130012

SusWrite @10s intervals: 190 177 158 164 90 103 MB/s

52.6% Above average

Write 224

Mixed 186

SusWrite 147

49% 219 MB/s

4K Read 14.5

4K Write 25.6

4K Mixed 20

61% 20 MB/s

DQ Read 308

DQ Write 219

DQ Mixed 188

161% 238 MB/s

159 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,667,511 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 X400 256GB Builds (Compare 3,249 builds) See popular component choices, score breakdowns and rankings

Gaming 11%

Tree trunk

Desktop 68%

Battle cruiser

Workstation 10%

Tree trunk

Motherboard: Dell Precision Tower 3620

CPU
Core i7-6700Intel $180Bench 72%, 282,363 samples	840x
Core i7-7700Intel $167Bench 76%, 256,717 samples	527x
Core i7-7700KIntel $241Bench 84%, 712,312 samples	265x

GPU
HD 530 (Desktop Skylake)IntelBench 5%, 188,220 samples	324x
HD 630 (Desktop Kaby Lake)IntelBench 5%, 153,031 samples	246x
Quadro M2000NvidiaBench 21%, 5,678 samples	205x

SSD
X400 256GBSandiskBench 67%, 159 samples	1x

RAM
HMA41GU6AFR8N-TF 2x8GBUnknownBench 72%, 2,345 samples	205x
HMA81GU6AFR8N-UH 2x8GBUnknownBench 73%, 3,256 samples	175x
HMA41GU6AFR8N-TF 4x8GBUnknownBench 72%, 714 samples	125x

EDIT WITH CUSTOM PC BUILDER

Value: 82% - Excellent

Total price: $180

Popular X400 256GB compatible motherboards:

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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- CPU tests include: integer, floating and string
- GPU tests include: six 3D game simulations
- Drive tests include: read, write, sustained write and mixed IO
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- 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
- Compare your components to the current market leaders
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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.
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 $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182	Nvidia RTX 4070 $409	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) $30	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 256GB

Average Bench: 67.2% (712^th of 1072)

Popular builds with this SSD

Above average average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Dell Precision Tower 3620

Popular X400 256GB compatible motherboards:

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Sandisk

X400 256GB

Average Bench: 67.2% (712th of 1072)

Popular builds with this SSD

Above average average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Dell Precision Tower 3620

Popular X400 256GB compatible motherboards:

UserBenchmark of the month

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Group Test Results

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Speed Comparisons

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Average Bench: 67.2% (712^th of 1072)