Average Bench: 62.5% (622nd of 964)

Based on 1,397 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 37.4% 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 Write Speed 60.6MB/s
Avg. Sequential Read Speed 442MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is 24.9%. 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 6.57MB/s
Avg. 4K-64Thread Read Speed 121MB/s
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Average Bench

(Based on 1,397 samples)
Min Avg Max
356 Read 442 490
252 Write 301 327
182 Mixed 313 387
157 SusWrite 271 309
74.2% 332 MB/s
Min Avg Max
9.44 4K Read 19.6 25.8
22 4K Write 60.6 90
3.29 4K Mixed 6.57 13.7
70.2% 28.9 MB/s
Min Avg Max
17.6 DQ Read 121 201
58.3 DQ Write 192 275
3.41 DQ Mixed 38.7 85.3
62.4% 117 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
118GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 288 292 305 309 307 309 MB/s
Read 458
Write 268
Mixed 228
SusWrite 302
70% 314 MB/s
4K Read 25.2
4K Write 76.5
4K Mixed 12.5
95% 38.1 MB/s
DQ Read 169
DQ Write 261
DQ Mixed 85
101% 172 MB/s
67GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 288 295 306 305 303 289 MB/s
Read 426
Write 281
Mixed 219
SusWrite 298
68% 306 MB/s
4K Read 23.4
4K Write 75.5
4K Mixed 12.6
92% 37.2 MB/s
DQ Read 179
DQ Write 259
DQ Mixed 86.9
103% 175 MB/s
38GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 277 300 301 288 299 302 MB/s
Read 450
Write 268
Mixed 213
SusWrite 294
68% 307 MB/s
4K Read 20.9
4K Write 65
4K Mixed 13.7
84% 33.2 MB/s
DQ Read 160
DQ Write 250
DQ Mixed 84.5
98% 165 MB/s
61GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 214 218 240 252 260 256 MB/s
Read 411
Write 261
Mixed 188
SusWrite 240
61% 275 MB/s
4K Read 19.5
4K Write 60.7
4K Mixed 9.8
74% 30 MB/s
DQ Read 146
DQ Write 247
DQ Mixed 72.4
90% 155 MB/s
1,397 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,664,924 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 6,841 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 50%
Yacht
Workstation
Workstation 34%
Sail boat

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.

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) November 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]

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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

964 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 $359Nvidia GTX 1070 $340Samsung 850 Evo 250GB $80
AMD Ryzen 5 1600 $130Nvidia GTX 1060-6GB $234Samsung 850 Evo 500GB $97
Intel Core i5-8600K $237AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $130SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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