Average Bench: 65.9% (709th of 1058)

Based on 2,278 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 81.5MB/s
Avg. 4K-64Thread Write Speed 247MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is 28.9%. 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 12.2MB/s
Avg. Sequential Mixed IO Speed 205MB/s
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Average Bench

(Based on 2,278 samples)
Min Avg Max
333 Read 418 490
222 Write 275 311
173 Mixed 205 234
142 SusWrite 270 315
65.2% 292 MB/s
Min Avg Max
10.7 4K Read 20.6 26.7
29.7 4K Write 66.1 95.2
9.11 4K Mixed 12.2 15.3
81.8% 32.9 MB/s
Min Avg Max
136 DQ Read 167 206
176 DQ Write 247 280
73 DQ Mixed 81.5 86
96.9% 165 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
79GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 263 281 293 289 306 235 MB/s
Read 453
Write 288
Mixed 197
SusWrite 278
68% 304 MB/s
4K Read 24.4
4K Write 78.8
4K Mixed 13.1
96% 38.8 MB/s
DQ Read 161
DQ Write 260
DQ Mixed 84.7
100% 169 MB/s
24GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 238 271 278 269 239 218 MB/s
Read 435
Write 274
Mixed 202
SusWrite 252
65% 291 MB/s
4K Read 22
4K Write 80.3
4K Mixed 13.3
93% 38.5 MB/s
DQ Read 161
DQ Write 253
DQ Mixed 86.7
100% 167 MB/s
19GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 286 285 296 299 282 233 MB/s
Read 474
Write 281
Mixed 201
SusWrite 280
69% 309 MB/s
4K Read 20.4
4K Write 61.9
4K Mixed 14.1
82% 32.1 MB/s
DQ Read 178
DQ Write 214
DQ Mixed 81.1
93% 158 MB/s
90GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 270 282 291 284 301 279 MB/s
Read 401
Write 279
Mixed 188
SusWrite 284
64% 288 MB/s
4K Read 21.3
4K Write 70.4
4K Mixed 11.8
85% 34.5 MB/s
DQ Read 163
DQ Write 261
DQ Mixed 83.2
99% 169 MB/s
21GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 262 263 244 285 278 286 MB/s
Read 422
Write 260
Mixed 180
SusWrite 270
63% 283 MB/s
4K Read 19.8
4K Write 62.7
4K Mixed 12.7
79% 31.7 MB/s
DQ Read 163
DQ Write 245
DQ Mixed 80.3
96% 163 MB/s
43GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 255 286 285 277 291 293 MB/s
Read 412
Write 276
Mixed 192
SusWrite 281
65% 290 MB/s
4K Read 15.3
4K Write 70.8
4K Mixed 11.3
75% 32.5 MB/s
DQ Read 175
DQ Write 266
DQ Mixed 82.5
101% 175 MB/s
2,278 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,570,332 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 5,133 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 6%
Tree trunk
Desktop
Desktop 61%
Destroyer
Workstation
Workstation 6%
Tree trunk

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) August 2021 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

1058 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 i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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