Average Bench: 69.1% (612th of 1016)

Based on 667 user benchmarks.  Model: SanDisk SD9SN8W256G1014

Above average average bench

The Sandisk SD9SN8W256G1014 256GB averaged 30.9% 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.


Avg. 4K-64Thread Mixed IO Speed 215MB/s
Avg. 4K-64Thread Read Speed 298MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Sandisk SD9SN8W256G1014 256GB is 31.3%. This is a relatively narrow range which indicates that the Sandisk SD9SN8W256G1014 256GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 198MB/s
Avg. Sequential Mixed IO Speed 238MB/s

Average Bench

(Based on 667 samples)
Min Avg Max
321 Read 411 483
205 Write 308 422
164 Mixed 238 318
152 SusWrite 198 220
64.5% 289 MB/s
Min Avg Max
9.98 4K Read 21.6 31.7
20.3 4K Write 48.1 73.5
11.7 4K Mixed 26.6 38.1
92.2% 32.1 MB/s
Min Avg Max
146 DQ Read 298 378
126 DQ Write 240 321
122 DQ Mixed 215 276
175% 251 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
89GB free (System drive)
Firmware: X6107000
SusWrite @10s intervals: 221 205 204 200 203 202 MB/s
Read 436
Write 381
Mixed 295
SusWrite 206
74% 330 MB/s
4K Read 27.3
4K Write 42.4
4K Mixed 31.8
105% 33.8 MB/s
DQ Read 250
DQ Write 202
DQ Mixed 202
158% 218 MB/s
175GB free (System drive)
Firmware: X6107000
SusWrite @10s intervals: 195 186 184 198 196 195 MB/s
Read 353
Write 219
Mixed 210
SusWrite 192
54% 244 MB/s
4K Read 20.9
4K Write 51.5
4K Mixed 30.4
98% 34.3 MB/s
DQ Read 367
DQ Write 302
DQ Mixed 263
216% 311 MB/s
174GB free (System drive)
Firmware: X6107000
SusWrite @10s intervals: 234 211 212 214 210 211 MB/s
Read 400
Write 318
Mixed 176
SusWrite 216
62% 277 MB/s
4K Read 17
4K Write 23.1
4K Mixed 17.1
60% 19.1 MB/s
DQ Read 172
DQ Write 132
DQ Mixed 140
108% 148 MB/s
667 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,457,314 SSDs tested.

Typical SD9SN8W256G1014 256GB Builds (Compare 1,217 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Tree trunk
Desktop 55%
Workstation 31%
Sail boat

System: Acer Aspire A515-52G


Popular SD9SN8W256G1014 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) January 2020 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]


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.


1016 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.
Intel Core i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $42
Intel Core i5-9400F $150Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $356Nvidia RTX 2060 $349Samsung 850 Pro 512GB $249
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $14
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