Sandisk

X400 M.2 2280 256GB

X400 M.2 2280 256GB
BENCHMARKS (7,463)
MKT (0%)
BUILDS
(0)

Effective Speed -44%Effective Speed -44%Average Score -55%Read -12%, Write -39%, 4K Read -52%, 4K Write -78%, Mixed -58%, 4K Mixed -61%, SusWrite -84%Peak Score -26%Read -2%, Write -8%, 4K Read -12%, 4K Write -19%, Mixed -30%, 4K Mixed -21%, SusWrite -90%Value & Sentiment -553%User Rating -44%, Market Share -1,061%Nice To Haves -14%DQ Read 1%, DQ Write -27%, DQ Mixed -38%, ADQ Read -2%, ADQ Write -24%, ADQ Mixed -29%, Age 14%, AS-SSD Total -9%

Average Bench: 67.5% (668^th of 1040)

Based on 7,463 user benchmarks. Model: SanDisk X400 M.2 2280 256GB

Poor: 49%Average: 67.5% Great: 93%

Popular builds with this SSD

Above average average bench

The Sandisk X400 M.2 2280 256GB averaged 32.5% 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 205MB/s

Avg. 4K-64Thread Read Speed 316MB/s

See where your SSD ranks →

Average consistency

The range of scores (95th - 5th percentile) for the Sandisk X400 M.2 2280 256GB is 44.3%. This is a relatively wide range which indicates that the Sandisk X400 M.2 2280 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 159MB/s

Avg. Sequential Mixed IO Speed 227MB/s

Average Bench

(Based on 7,463 samples)

Rank 66867.5%

Min	Avg	Max
317	Read 409	488
137	Write 294	451
125	Mixed 227	321
69.6	SusWrite 159	199
60.6% 272 MB/s

Min	Avg	Max
9.9	4K Read 21.7	36.1
22.8	4K Write 49.8	101
12.7	4K Mixed 27.3	46
94.3% 32.9 MB/s

Min	Avg	Max
219	DQ Read 316	367
108	DQ Write 235	279
100	DQ Mixed 205	236
172% 252 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

USA-User, 12 hrs ago.

211GB free (System drive)

Firmware: X4130012

SusWrite @10s intervals: 199 185 178 184 173 181 MB/s

79.7% Very good

Write 420

Mixed 268

SusWrite 183

74% 331 MB/s

4K Read 28.1

4K Write 56.9

4K Mixed 35.1

118% 40 MB/s

DQ Read 337

DQ Write 280

DQ Mixed 202

180% 273 MB/s

POL-User, 21 hrs ago.

174GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 175 178 179 175 181 178 MB/s

72% Very good

Write 284

Mixed 229

SusWrite 178

61% 275 MB/s

4K Read 21.3

4K Write 52

4K Mixed 31.7

100% 35 MB/s

DQ Read 330

DQ Write 266

DQ Mixed 230

190% 275 MB/s

POL-User, 23 hrs ago.

198GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 172 180 182 175 176 171 MB/s

66.9% Good

Write 191

Mixed 241

SusWrite 176

53% 240 MB/s

4K Read 19.7

4K Write 51

4K Mixed 29.2

94% 33.3 MB/s

DQ Read 286

DQ Write 282

DQ Mixed 233

189% 267 MB/s

GBR-User, 11 hrs ago.

175GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 177 117 175 189 121 136 MB/s

64.9% Good

Write 433

Mixed 237

SusWrite 153

71% 319 MB/s

4K Read 12.8

4K Write 35.4

4K Mixed 28

74% 25.4 MB/s

DQ Read 343

DQ Write 266

DQ Mixed 228

191% 279 MB/s

CZE-User, 20 hrs ago.

62GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 142 137 115 108 95 95 MB/s

57.4% Above average

Write 122

Mixed 132

SusWrite 115

40% 180 MB/s

4K Read 18

4K Write 38.4

4K Mixed 20.7

74% 25.7 MB/s

DQ Read 343

DQ Write 264

DQ Mixed 210

183% 272 MB/s

SYC-User, 7 hrs ago.

164GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 177 175 171 122 180 161 MB/s

54% Above average

Write 106

Mixed 81.7

SusWrite 164

38% 172 MB/s

4K Read 18.1

4K Write 37.7

4K Mixed 12.9

64% 22.9 MB/s

DQ Read 338

DQ Write 182

DQ Mixed 181

156% 234 MB/s

AUS-User, 1 day ago.

47GB free (System drive)

Firmware: X4152012

SusWrite @10s intervals: 132 102 34 52 53 54 MB/s

53.5% Above average

Write 166

Mixed 114

SusWrite 71

41% 189 MB/s

4K Read 13.8

4K Write 34.1

4K Mixed 24.9

71% 24.3 MB/s

DQ Read 363

DQ Write 103

DQ Mixed 60.9

90% 176 MB/s

7,463 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 33,127,900 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 M.2 2280 256GB Builds (Compare 5,462 builds) See popular component choices, score breakdowns and rankings.

Gaming 8%

Tree trunk

Desktop 64%

Destroyer

Workstation 7%

Tree trunk

System: Dell Inspiron 15 7000 Gaming - $650

CPU
Core i7-7700HQIntelBench 69%, 378,041 samples	3,288x
Core i5-7300HQIntelBench 68%, 123,127 samples	2,173x
Core i7-7700HQIntelBench 71%, 1 sample	1x

GPU
HD Graphics 630IntelBench 5%, 207,523 samples	2,445x
GTX 1050-Ti (Mobile)NvidiaBench 31%, 78,302 samples	2,289x
GTX 1050 (Mobile)NvidiaBench 26%, 112,263 samples	724x

SSD
X400 M.2 2280 256GBSandiskBench 67%, 7,463 samples	363x

RAM
HMA81GS6AFR8N-UH 1x8GBHynixBench 37%, 106,463 samples	1,233x
HMA82GS6AFR8N-UH 1x16GBHynixBench 39%, 15,150 samples	661x
M471A2K43CB1-CRC 1x16GBSamsungBench 40%, 25,657 samples	322x

EDIT WITH CUSTOM PC BUILDER

Total price: $650

Popular X400 M.2 2280 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.

UserBenchmark of the month

Gaming

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CPU

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USB

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.
- Explore your best upgrade options with a virtual PC build.
- Compare your in-game FPS to other users with your hardware.
- Share your opinion by voting.

Solid State Drive Rankings (Price vs Performance) October 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.

1040 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 $185	Nvidia GTX 1660S (Super) $230	Crucial MX500 250GB $46
Intel Core i5-9400F $142	Nvidia RTX 3080 $700	Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260	Nvidia GTX 1650S (Super) $170	Samsung 860 Evo 250GB $49

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $43	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69	SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85	G.SKILL Trident Z DDR4 3200 C14 4x16GB $548	SanDisk Extreme 16GB $28

Sandisk

X400 M.2 2280 256GB

Average Bench: 67.5% (668^th of 1040)

Popular builds with this SSD

Above average average bench

Strengths

Average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Inspiron 15 7000 Gaming - $650

Popular X400 M.2 2280 256GB systems:

UserBenchmark of the month

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Group Test Results

Comments

Speed Comparisons

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Best User Rated

Sandisk

X400 M.2 2280 256GB

Average Bench: 67.5% (668th of 1040)

Popular builds with this SSD

Above average average bench

Strengths

Average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Inspiron 15 7000 Gaming - $650

Popular X400 M.2 2280 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

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Best User Rated

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Average Bench: 67.5% (668^th of 1040)