Average Bench: 68.3% (615th of 1011)

Based on 960 user benchmarks.  Model: SanDisk X400 2.5 7MM 256GB

Above average average bench

The Sandisk X400 2.5 7MM 256GB averaged 31.7% 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 197MB/s
Avg. 4K-64Thread Read Speed 303MB/s

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 158MB/s
Avg. Sequential Mixed IO Speed 225MB/s
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Average Bench

(Based on 960 samples)
Min Avg Max
314 Read 412 481
161 Write 293 435
126 Mixed 225 315
71.8 SusWrite 158 202
60.5% 272 MB/s
Min Avg Max
10.2 4K Read 22.7 36.4
21.9 4K Write 51.8 99.4
12.4 4K Mixed 28.1 44.1
97.9% 34.2 MB/s
Min Avg Max
29.9 DQ Read 303 368
90.1 DQ Write 230 279
36.7 DQ Mixed 197 236
166% 244 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
206GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 197 180 170 171 159 171 MB/s
Read 488
Write 347
Mixed 197
SusWrite 174
67% 301 MB/s
4K Read 30.7
4K Write 86.5
4K Mixed 44.6
149% 53.9 MB/s
DQ Read 348
DQ Write 259
DQ Mixed 205
180% 271 MB/s
154GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 192 180 177 181 177 181 MB/s
Read 413
Write 272
Mixed 224
SusWrite 181
61% 273 MB/s
4K Read 35.5
4K Write 85.6
4K Mixed 42.4
154% 54.5 MB/s
DQ Read 360
DQ Write 252
DQ Mixed 210
183% 274 MB/s
90GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 205 195 193 192 194 149 MB/s
Read 474
Write 297
Mixed 261
SusWrite 188
68% 305 MB/s
4K Read 34.5
4K Write 81.1
4K Mixed 43.4
151% 53 MB/s
DQ Read 34.9
DQ Write 70.4
DQ Mixed 41.5
35% 48.9 MB/s
70GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 168 145 100 153 55 115 MB/s
Read 461
Write 429
Mixed 246
SusWrite 123
70% 315 MB/s
4K Read 29.8
4K Write 55.4
4K Mixed 35.5
120% 40.2 MB/s
DQ Read 352
DQ Write 255
DQ Mixed 217
186% 275 MB/s
44GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 172 143 106 99 183 132 MB/s
Read 375
Write 348
Mixed 207
SusWrite 139
60% 267 MB/s
4K Read 24.5
4K Write 45.7
4K Mixed 30.4
100% 33.5 MB/s
DQ Read 322
DQ Write 280
DQ Mixed 221
187% 274 MB/s
189GB free
Firmware: X4130012
SusWrite @10s intervals: 212 190 210 194 193 196 MB/s
Read 457
Write 293
Mixed 195
SusWrite 199
64% 286 MB/s
4K Read 18.8
4K Write 34
4K Mixed 24.5
78% 25.8 MB/s
DQ Read 261
DQ Write 205
DQ Mixed 198
158% 221 MB/s
25GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 126 56 30 57 53 38 MB/s
Read 432
Write 411
Mixed 251
SusWrite 59.9
64% 288 MB/s
4K Read 18.7
4K Write 39.5
4K Mixed 26.4
83% 28.2 MB/s
DQ Read 330
DQ Write 173
DQ Mixed 207
166% 237 MB/s
960 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,849,350 SSDs tested.

Typical X400 2.5 7MM 256GB Builds (Compare 7,227 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 14%
Tree trunk
Desktop
Desktop 48%
Yacht
Workstation
Workstation 24%
Surfboard

System: Dell Inspiron 5567

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 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.
  • - 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) December 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.

 Comments

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

 Best User Rated

The Best.
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Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
HDDRAMUSB
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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