Average Bench: 61.4% (601st of 955)

Based on 1,253 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 38.5% 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. Sequential Read Speed 455MB/s
Avg. 4K Random Write Speed 58.8MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk Z400s M.2 2280 256GB is 20.5%. 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 4.18MB/s
Avg. 4K-64Thread Mixed IO Speed 19.3MB/s
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Average Bench

(Based on 1,253 samples)
Min Avg Max
409 Read 455 492
281 Write 313 327
211 Mixed 363 388
101 SusWrite 261 301
77.9% 348 MB/s
Min Avg Max
9.81 4K Read 19.5 25.5
22.5 4K Write 58.8 82.8
3.21 4K Mixed 4.18 5.98
66.1% 27.5 MB/s
Min Avg Max
15.6 DQ Read 100 199
57 DQ Write 170 260
3.29 DQ Mixed 19.3 31.5
47.3% 96.5 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
33GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 280 285 305 303 305 305 MB/s
Read 456
Write 291
Mixed 180
SusWrite 297
68% 306 MB/s
4K Read 24.7
4K Write 77.3
4K Mixed 12.7
95% 38.2 MB/s
DQ Read 163
DQ Write 258
DQ Mixed 78.4
96% 166 MB/s
212GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 270 286 304 303 302 304 MB/s
Read 422
Write 288
Mixed 196
SusWrite 295
67% 300 MB/s
4K Read 19.4
4K Write 74.3
4K Mixed 9.9
81% 34.5 MB/s
DQ Read 162
DQ Write 246
DQ Mixed 80.7
96% 163 MB/s
51GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 241 284 287 281 293 286 MB/s
Read 409
Write 244
Mixed 207
SusWrite 278
64% 285 MB/s
4K Read 19.7
4K Write 74.3
4K Mixed 11.3
84% 35.1 MB/s
DQ Read 168
DQ Write 201
DQ Mixed 62.3
81% 144 MB/s
167GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 249 273 287 290 256 271 MB/s
Read 402
Write 283
Mixed 220
SusWrite 271
66% 294 MB/s
4K Read 17.7
4K Write 62.4
4K Mixed 11.5
75% 30.5 MB/s
DQ Read 165
DQ Write 195
DQ Mixed 80.1
88% 147 MB/s
138GB free
Firmware: Z2321012
SusWrite @10s intervals: 213 254 276 293 298 303 MB/s
Read 443
Write 292
Mixed 207
SusWrite 273
68% 304 MB/s
4K Read 18.5
4K Write 37.7
4K Mixed 10
61% 22.1 MB/s
DQ Read 183
DQ Write 183
DQ Mixed 77.9
88% 148 MB/s
138GB free
Firmware: Z2321012
SusWrite @10s intervals: 297 273 285 301 302 300 MB/s
Read 432
Write 301
Mixed 219
SusWrite 293
70% 311 MB/s
4K Read 16.9
4K Write 37.2
4K Mixed 10.7
59% 21.6 MB/s
DQ Read 173
DQ Write 163
DQ Mixed 79.7
84% 139 MB/s
1,253 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,569,776 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 7,256 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 16%
Surfboard
Desktop
Desktop 51%
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.

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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 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

955 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 $320Nvidia GTX 1070 $413Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $289Samsung 850 Evo 500GB $121
Intel Core i5-8600K $245AMD RX 480 $280Samsung 850 Pro 256GB $136
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $176SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $951SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $58HyperX Fury DDR4 2133 C14 2x8GB $219SanDisk Ultra Fit 32GB $12
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