Average Bench: 64.9% (670th of 1012)

Based on 1,725 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 35.1% 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-64Thread Mixed IO Speed 80.8MB/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 29.5%. 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 12MB/s
Avg. Sequential Mixed IO Speed 203MB/s
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Average Bench

(Based on 1,725 samples)
Min Avg Max
335 Read 417 482
210 Write 271 308
172 Mixed 203 229
104 SusWrite 263 314
64.3% 288 MB/s
Min Avg Max
9.8 4K Read 20.3 26.3
27.1 4K Write 64.6 93.6
8.7 4K Mixed 12 14.9
80.3% 32.3 MB/s
Min Avg Max
141 DQ Read 165 202
171 DQ Write 246 278
71.5 DQ Mixed 80.8 86.1
96% 164 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
209GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 233 263 309 306 309 300 MB/s
Read 459
Write 301
Mixed 202
SusWrite 287
70% 312 MB/s
4K Read 25.9
4K Write 87.5
4K Mixed 12.5
102% 42 MB/s
DQ Read 173
DQ Write 275
DQ Mixed 83.5
103% 177 MB/s
165GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 276 289 302 298 301 298 MB/s
Read 457
Write 290
Mixed 208
SusWrite 294
70% 312 MB/s
4K Read 25.6
4K Write 83.2
4K Mixed 13.1
100% 40.6 MB/s
DQ Read 174
DQ Write 243
DQ Mixed 83.4
98% 167 MB/s
183GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 300 297 304 314 294 313 MB/s
Read 454
Write 299
Mixed 229
SusWrite 304
72% 321 MB/s
4K Read 25.8
4K Write 83.3
4K Mixed 14.9
102% 41.3 MB/s
DQ Read 174
DQ Write 173
DQ Mixed 76
84% 141 MB/s
135GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 288 286 293 302 301 304 MB/s
Read 424
Write 295
Mixed 227
SusWrite 296
69% 311 MB/s
4K Read 21.5
4K Write 78.8
4K Mixed 12.2
90% 37.5 MB/s
DQ Read 165
DQ Write 258
DQ Mixed 84.4
100% 169 MB/s
135GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 268 289 301 303 296 300 MB/s
Read 396
Write 294
Mixed 211
SusWrite 293
67% 299 MB/s
4K Read 21.6
4K Write 78.8
4K Mixed 11.7
89% 37.4 MB/s
DQ Read 174
DQ Write 250
DQ Mixed 84.6
100% 170 MB/s
173GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 267 297 310 315 275 310 MB/s
Read 460
Write 302
Mixed 226
SusWrite 296
72% 321 MB/s
4K Read 20.6
4K Write 48.5
4K Mixed 13.5
74% 27.5 MB/s
DQ Read 162
DQ Write 257
DQ Mixed 83.6
99% 168 MB/s
174GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 211 249 288 297 299 298 MB/s
Read 388
Write 283
Mixed 182
SusWrite 274
63% 282 MB/s
4K Read 22.4
4K Write 58.6
4K Mixed 8.4
76% 29.8 MB/s
DQ Read 24.8
DQ Write 91.3
DQ Mixed 9.2
21% 41.8 MB/s
218GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 265 273 256 268 284 273 MB/s
Read 336
Write 237
Mixed 173
SusWrite 270
57% 254 MB/s
4K Read 9.5
4K Write 44.5
4K Mixed 10.3
51% 21.4 MB/s
DQ Read 171
DQ Write 247
DQ Mixed 79.4
96% 166 MB/s
1,725 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 20,094,986 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 11,035 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 14%
Tree trunk
Desktop
Desktop 49%
Yacht
Workstation
Workstation 31%
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.

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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

1012 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 i5-9600K $200AMD RX 590 $180Samsung 850 Evo 120GB $58
Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $65SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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