Average Bench: 66% (672nd of 1026)

Based on 1,900 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 34.0% 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 80.3MB/s
Avg. 4K-64Thread Write Speed 246MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is 29.1%. This is a relatively narrow range which indicates that the Sandisk Z400s M.2 2280 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Mixed IO Speed 12.4MB/s
Avg. Sequential Mixed IO Speed 206MB/s
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Average Bench

(Based on 1,900 samples)
Min Avg Max
332 Read 421 489
196 Write 272 311
174 Mixed 206 234
118 SusWrite 266 314
65% 291 MB/s
Min Avg Max
10.6 4K Read 20.9 26.8
31.7 4K Write 66.5 95.8
8.7 4K Mixed 12.4 15.1
82.8% 33.3 MB/s
Min Avg Max
124 DQ Read 164 202
162 DQ Write 246 280
65 DQ Mixed 80.3 86
95.6% 163 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
36GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 264 294 306 305 310 306 MB/s
Read 455
Write 270
Mixed 209
SusWrite 298
69% 308 MB/s
4K Read 26.9
4K Write 81.6
4K Mixed 12.8
100% 40.4 MB/s
DQ Read 170
DQ Write 247
DQ Mixed 82.9
98% 166 MB/s
37GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 286 266 286 297 303 307 MB/s
Read 438
Write 302
Mixed 204
SusWrite 291
69% 309 MB/s
4K Read 22.7
4K Write 76.6
4K Mixed 12.8
91% 37.4 MB/s
DQ Read 176
DQ Write 243
DQ Mixed 83.6
98% 167 MB/s
57GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 218 274 289 292 294 289 MB/s
Read 408
Write 280
Mixed 185
SusWrite 276
64% 287 MB/s
4K Read 19
4K Write 62.4
4K Mixed 12.6
78% 31.3 MB/s
DQ Read 196
DQ Write 253
DQ Mixed 83.7
102% 178 MB/s
57GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 231 277 296 261 288 289 MB/s
Read 398
Write 278
Mixed 210
SusWrite 274
65% 290 MB/s
4K Read 20.5
4K Write 66.6
4K Mixed 11.1
80% 32.7 MB/s
DQ Read 167
DQ Write 259
DQ Mixed 83.6
100% 170 MB/s
95GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 238 261 283 281 279 281 MB/s
Read 407
Write 265
Mixed 202
SusWrite 271
64% 286 MB/s
4K Read 11.2
4K Write 54.1
4K Mixed 8.9
57% 24.7 MB/s
DQ Read 160
DQ Write 256
DQ Mixed 78.1
96% 165 MB/s
33GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 292 270 301 304 298 301 MB/s
Read 416
Write 256
Mixed 140
SusWrite 294
62% 276 MB/s
4K Read 11.9
4K Write 10.1
4K Mixed 9.7
36% 10.6 MB/s
DQ Read 91.6
DQ Write 214
DQ Mixed 83.3
83% 130 MB/s
1,900 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 28,481,366 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 13,350 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 56%
Gunboat
Workstation
Workstation 38%
Jet ski

System: Dell Inspiron 7559

EDIT WITH CUSTOM PC BUILDER

Popular Z400s 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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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) July 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]

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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

1026 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
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Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $41Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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