Average Bench: 68.9% (492nd of 956)

Based on 627 user benchmarks.  Model: SanDisk X400 2.5 7MM 256GB

Above average average bench

The Sandisk X400 2.5 7MM 256GB averaged 31.1% 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 Random Read Speed 21.9MB/s
Avg. Sequential Read Speed 473MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Sandisk X400 2.5 7MM 256GB is 38.5%. 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 180MB/s
Avg. 4K-64Thread Read Speed 163MB/s
ADVERTISEMENT

Average Bench

(Based on 627 samples)
Min Avg Max
406 Read 473 503
171 Write 316 467
202 Mixed 327 447
91.7 SusWrite 180 211
72.2% 324 MB/s
Min Avg Max
9.77 4K Read 21.9 32
17.1 4K Write 46 81.9
8.03 4K Mixed 17.6 29.1
80.1% 28.5 MB/s
Min Avg Max
15.4 DQ Read 163 340
30.4 DQ Write 173 271
7.81 DQ Mixed 50.5 223
70.5% 129 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
67GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 182 151 146 107 138 100 MB/s
Read 466
Write 317
Mixed 181
SusWrite 137
61% 276 MB/s
4K Read 23.4
4K Write 75.5
4K Mixed 41.6
129% 46.8 MB/s
DQ Read 353
DQ Write 269
DQ Mixed 228
193% 283 MB/s
81GB free
Firmware: X4152012
SusWrite @10s intervals: 230 196 207 190 195 189 MB/s
Read 407
Write 368
Mixed 300
SusWrite 201
72% 319 MB/s
4K Read 17.7
4K Write 43.5
4K Mixed 28.6
86% 29.9 MB/s
DQ Read 357
DQ Write 282
DQ Mixed 236
199% 292 MB/s
112GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 200 190 194 189 190 190 MB/s
Read 437
Write 413
Mixed 188
SusWrite 192
69% 308 MB/s
4K Read 17
4K Write 41.6
4K Mixed 24.7
79% 27.8 MB/s
DQ Read 370
DQ Write 241
DQ Mixed 207
181% 273 MB/s
164GB free (System drive)
Firmware: X4152012
SusWrite @10s intervals: 200 182 175 179 186 188 MB/s
Read 370
Write 342
Mixed 223
SusWrite 185
63% 280 MB/s
4K Read 21.1
4K Write 34.9
4K Mixed 27.9
86% 28 MB/s
DQ Read 338
DQ Write 227
DQ Mixed 203
173% 256 MB/s
182GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 205 192 187 186 189 193 MB/s
Read 374
Write 245
Mixed 254
SusWrite 192
59% 266 MB/s
4K Read 20.5
4K Write 32.8
4K Mixed 24.3
80% 25.9 MB/s
DQ Read 310
DQ Write 248
DQ Mixed 220
181% 260 MB/s
161GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 206 194 197 191 189 193 MB/s
Read 412
Write 282
Mixed 256
SusWrite 195
64% 286 MB/s
4K Read 23.5
4K Write 46.3
4K Mixed 32.1
101% 34 MB/s
DQ Read 23.8
DQ Write 52.7
DQ Mixed 32.4
26% 36.3 MB/s
154GB free (System drive)
Firmware: X4130012
SusWrite @10s intervals: 228 185 188 195 191 182 MB/s
Read 367
Write 365
Mixed 284
SusWrite 195
68% 303 MB/s
4K Read 9.7
4K Write 28.1
4K Mixed 14.2
48% 17.3 MB/s
DQ Read 332
DQ Write 289
DQ Mixed 232
195% 284 MB/s
627 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,964,046 SSDs tested.

Typical X400 2.5 7MM 256GB Builds (Compare 3,897 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Surfboard
Desktop
Desktop 50%
Yacht
Workstation
Workstation 27%
Raft

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.

UserBenchmark of the month

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) August 2018 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]

ADVERTISEMENT

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

956 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.
CPUGPUSSD
Intel Core i7-8700K $325Nvidia GTX 1070 $380Samsung 850 Evo 250GB $95
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $120
Intel Core i5-8600K $240AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $155SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $901SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $175SanDisk Ultra Fit 32GB $12
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback