Average Bench: 64.1% (659th of 1003)

Based on 1,599 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 35.8% 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 Write Speed 234MB/s
Avg. 4K-64Thread Mixed IO Speed 71.6MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is 28.3%. 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 10.7MB/s
Avg. Sequential Mixed IO Speed 227MB/s
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Average Bench

(Based on 1,599 samples)
Min Avg Max
338 Read 420 484
218 Write 278 323
174 Mixed 227 382
114 SusWrite 266 308
66.4% 297 MB/s
Min Avg Max
9.6 4K Read 19.8 26.3
22.5 4K Write 63.1 91.2
3.71 4K Mixed 10.7 14.2
77% 31.2 MB/s
Min Avg Max
22.7 DQ Read 155 202
74.5 DQ Write 234 278
3.87 DQ Mixed 71.6 86
88.6% 153 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
172GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 304 312 316 312 313 310 MB/s
Read 438
Write 309
Mixed 228
SusWrite 311
72% 321 MB/s
4K Read 23.9
4K Write 112
4K Mixed 12.5
112% 49.6 MB/s
DQ Read 166
DQ Write 275
DQ Mixed 84.8
102% 175 MB/s
51GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 316 308 317 317 308 318 MB/s
Read 463
Write 275
Mixed 209
SusWrite 314
70% 315 MB/s
4K Read 24.9
4K Write 82
4K Mixed 14.9
100% 40.6 MB/s
DQ Read 174
DQ Write 268
DQ Mixed 83.4
102% 175 MB/s
53GB free
Firmware: Z2329012
SusWrite @10s intervals: 296 308 308 306 308 309 MB/s
Read 442
Write 316
Mixed 232
SusWrite 306
72% 324 MB/s
4K Read 23.5
4K Write 53.4
4K Mixed 13.7
81% 30.2 MB/s
DQ Read 211
DQ Write 198
DQ Mixed 77.9
93% 162 MB/s
98GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 277 301 298 310 301 277 MB/s
Read 445
Write 301
Mixed 215
SusWrite 294
70% 314 MB/s
4K Read 20.5
4K Write 51.3
4K Mixed 12.5
74% 28.1 MB/s
DQ Read 164
DQ Write 185
DQ Mixed 70.4
82% 140 MB/s
55GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 252 289 287 145 78 77 MB/s
Read 441
Write 288
Mixed 199
SusWrite 188
62% 279 MB/s
4K Read 21.3
4K Write 80
4K Mixed 10.9
89% 37.4 MB/s
DQ Read 158
DQ Write 254
DQ Mixed 84.9
98% 166 MB/s
191GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 228 170 237 243 251 244 MB/s
Read 328
Write 234
Mixed 186
SusWrite 229
55% 244 MB/s
4K Read 9.8
4K Write 17.8
4K Mixed 7.6
34% 11.7 MB/s
DQ Read 141
DQ Write 124
DQ Mixed 63.6
67% 110 MB/s
1,599 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,013,832 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 9,272 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 51%
Yacht
Workstation
Workstation 33%
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) June 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

1003 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 $365Nvidia GTX 1070 $335Samsung 850 Evo 250GB $85
AMD Ryzen 5 2600 $139Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $79SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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