Average Bench: 64.5% (669th of 1011)

Based on 1,662 user benchmarks.  Model: SanDisk Z400s M.2 2280 256GB

Above average average bench

The Sandisk Z400s M.2 2280 256GB averaged 35.4% 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-64Thread Mixed IO Speed 80.1MB/s
Avg. 4K-64Thread Write Speed 245MB/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 11.9MB/s
Avg. Sequential Mixed IO Speed 203MB/s
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Average Bench

(Based on 1,662 samples)
Min Avg Max
332 Read 414 481
207 Write 270 308
171 Mixed 203 229
114 SusWrite 265 311
64.2% 288 MB/s
Min Avg Max
9.6 4K Read 19.8 26.2
21.1 4K Write 63.8 94.5
8.7 4K Mixed 11.9 14.6
79% 31.8 MB/s
Min Avg Max
129 DQ Read 163 202
164 DQ Write 245 278
66.4 DQ Mixed 80.1 86
95.4% 163 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
87GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 241 281 308 306 304 304 MB/s
Read 443
Write 302
Mixed 219
SusWrite 291
70% 314 MB/s
4K Read 27.8
4K Write 94.6
4K Mixed 12.8
109% 45.1 MB/s
DQ Read 169
DQ Write 254
DQ Mixed 85.9
100% 170 MB/s
51GB free (System drive)
Firmware: Z2327012
SusWrite @10s intervals: 272 286 301 294 262 299 MB/s
Read 414
Write 278
Mixed 188
SusWrite 286
65% 291 MB/s
4K Read 20.9
4K Write 54.1
4K Mixed 12
76% 29 MB/s
DQ Read 160
DQ Write 252
DQ Mixed 84.4
98% 165 MB/s
84GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 167 238 169 61 67 62 MB/s
Read 436
Write 281
Mixed 213
SusWrite 127
59% 264 MB/s
4K Read 23.3
4K Write 69.3
4K Mixed 12.2
88% 34.9 MB/s
DQ Read 159
DQ Write 207
DQ Mixed 83.9
91% 150 MB/s
43GB free (System drive)
Firmware: Z2321012
SusWrite @10s intervals: 274 267 299 301 298 307 MB/s
Read 427
Write 299
Mixed 210
SusWrite 291
68% 307 MB/s
4K Read 14.8
4K Write 32.6
4K Mixed 11.3
54% 19.6 MB/s
DQ Read 160
DQ Write 179
DQ Mixed 80
85% 139 MB/s
126GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 286 287 286 279 276 275 MB/s
Read 355
Write 268
Mixed 186
SusWrite 281
61% 273 MB/s
4K Read 8.5
4K Write 28.7
4K Mixed 8.8
39% 15.3 MB/s
DQ Read 164
DQ Write 268
DQ Mixed 75.1
97% 169 MB/s
214GB free (System drive)
Firmware: Z2329012
SusWrite @10s intervals: 253 242 245 238 239 236 MB/s
Read 298
Write 245
Mixed 174
SusWrite 242
54% 240 MB/s
4K Read 7.2
4K Write 57.8
4K Mixed 7.3
51% 24.1 MB/s
DQ Read 159
DQ Write 267
DQ Mixed 79.8
98% 169 MB/s
1,662 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 16,734,081 SSDs tested.

Typical Z400s M.2 2280 256GB Builds (Compare 9,874 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Surfboard
Desktop
Desktop 48%
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.

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) August 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

1011 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
AMD Ryzen 5 3600 $198Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
Intel Core i5-9600K $230Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $233Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $195
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $82SanDisk Extreme 16GB $24
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