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Sandisk

X400 M.2 2280 256GB

▲ 501 ▼

Release date ≈ Q3 2016.

Average Bench: 65.6% (661st of 1011)

Based on 5,245 user benchmarks.  Model: SanDisk X400 M.2 2280 256GB
Poor: 46%Average: 65.6% Great: 88%

Popular builds with this SSD

Above average average bench

The Sandisk X400 M.2 2280 256GB averaged 34.3% 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 196MB/s
Avg. 4K-64Thread Read Speed 303MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Sandisk X400 M.2 2280 256GB is 41.5%. 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 156MB/s
Avg. Sequential Mixed IO Speed 230MB/s
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Average Bench

(Based on 5,245 samples)
Rank 66165.6%
Min Avg Max
311 Read 406 479
159 Write 293 426
144 Mixed 230 318
71.7 SusWrite 156 198
60.4% 271 MB/s
Min Avg Max
9.7 4K Read 20.8 34.1
22.1 4K Write 46.8 86.2
12.1 4K Mixed 26.4 42.6
90.2% 31.3 MB/s
Min Avg Max
28 DQ Read 303 365
86.8 DQ Write 229 278
45.7 DQ Mixed 196 236
166% 243 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
50GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 164 163 142 115 105 97 MB/s
85.4% Excellent
Read 478
Write 437
Mixed 272
SusWrite 131
74% 330 MB/s
4K Read 34.8
4K Write 75
4K Mixed 43.5
148% 51.1 MB/s
DQ Read 310
DQ Write 240
DQ Mixed 203
172% 251 MB/s
178GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 207 182 173 180 182 179 MB/s
78.9% Very good
Read 430
Write 248
Mixed 216
SusWrite 184
60% 269 MB/s
4K Read 24.7
4K Write 67.9
4K Mixed 35.3
119% 42.6 MB/s
DQ Read 343
DQ Write 264
DQ Mixed 215
185% 274 MB/s
78GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 216 168 167 153 97 126 MB/s
72.5% Very good
Read 414
Write 408
Mixed 294
SusWrite 154
71% 318 MB/s
4K Read 23.7
4K Write 57.2
4K Mixed 30.4
105% 37.1 MB/s
DQ Read 367
DQ Write 260
DQ Mixed 231
195% 286 MB/s
74GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 183 149 125 165 110 145 MB/s
66.3% Good
Read 412
Write 261
Mixed 208
SusWrite 146
57% 257 MB/s
4K Read 21.1
4K Write 38.6
4K Mixed 26.4
86% 28.7 MB/s
DQ Read 367
DQ Write 265
DQ Mixed 226
193% 286 MB/s
190GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 194 191 197 188 189 189 MB/s
54.1% Above average
Read 370
Write 234
Mixed 234
SusWrite 191
57% 257 MB/s
4K Read 11.2
4K Write 13.2
4K Mixed 19.5
49% 14.6 MB/s
DQ Read 284
DQ Write 243
DQ Mixed 194
164% 240 MB/s
5,245 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,505,215 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 17,771 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 53%
Yacht
Workstation
Workstation 33%
Sail boat

System: Dell Inspiron 15 7000 Gaming - $650

CPU
Core i7-7700HQIntelBench 58%, 248,598 samples10,119x
Core i5-7300HQIntelBench 53%, 81,616 samples7,651x
FX-Series FX-8320AMDBench 62%, 1 sample1x
GPU
HD Graphics 630IntelBench 6%, 152,890 samples9,374x
GTX 1050-Ti (Mobile)NvidiaBench 29%, 43,535 samples6,239x
GTX 1050 (Mobile)NvidiaBench 23%, 67,893 samples2,152x
SSD
X400 M.2 2280 256GBSandiskBench 66%, 5,245 samples1,711x
RAM
HMA81GS6AFR8N-UH 1x8GBHynixBench 38%, 62,939 samples5,700x
HMA82GS6AFR8N-UH 1x16GBHynixBench 40%, 10,711 samples2,402x
16ATF2G64HZ-2G3B1 1x16GBMicronBench 39%, 2,672 samples989x
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.

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Gaming Desktop Workstation

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 2019 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]

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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.

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1011 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 »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9400F $145Nvidia GTX 1660 $210Samsung 850 Evo 250GB $73
Intel Core i5-9600K $240Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350Nvidia RTX 2060 $349Samsung 850 Pro 256GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $78G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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