Average Bench: 71.5% (628th of 1058)

Based on 83 user benchmarks.  Model: SanDisk SD9SN8W128G1122

Good average bench

The Sandisk SD9SN8W128G1122 128GB averaged 28.5% 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.


Avg. 4K-64Thread Mixed IO Speed 207MB/s
Avg. 4K Random Read Speed 27.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Sandisk SD9SN8W128G1122 128GB is 46.6%. This is a relatively wide range which indicates that the Sandisk SD9SN8W128G1122 128GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 109MB/s
Avg. Sequential Mixed IO Speed 254MB/s

Average Bench

(Based on 83 samples)
Min Avg Max
327 Read 426 510
141 Write 306 463
152 Mixed 254 343
86.8 SusWrite 109 120
60.9% 274 MB/s
Min Avg Max
11.1 4K Read 27.7 40.4
37.2 4K Write 68.9 111
15.1 4K Mixed 32.2 50.5
120% 42.9 MB/s
Min Avg Max
152 DQ Read 273 308
132 DQ Write 211 285
141 DQ Mixed 207 264
164% 230 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
76GB free (System drive)
Firmware: X6107000
SusWrite @10s intervals: 125 108 108 106 105 108 MB/s
Read 512
Write 471
Mixed 302
SusWrite 110
78% 349 MB/s
4K Read 39.3
4K Write 105
4K Mixed 42.2
169% 62.2 MB/s
DQ Read 295
DQ Write 220
DQ Mixed 215
172% 243 MB/s
109GB free
Firmware: X6107000
SusWrite @10s intervals: 136 107 107 107 107 107 MB/s
Read 463
Write 427
Mixed 275
SusWrite 112
71% 319 MB/s
4K Read 31
4K Write 55.1
4K Mixed 35.9
122% 40.7 MB/s
DQ Read 303
DQ Write 241
DQ Mixed 216
177% 253 MB/s
41GB free (System drive)
Firmware: X6107000
SusWrite @10s intervals: 113 109 106 109 107 107 MB/s
Read 441
Write 272
Mixed 171
SusWrite 109
55% 248 MB/s
4K Read 24.2
4K Write 72.5
4K Mixed 20.7
102% 39.1 MB/s
DQ Read 308
DQ Write 166
DQ Mixed 188
153% 221 MB/s
83 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,241,806 SSDs tested.

Typical SD9SN8W128G1122 128GB Builds (Compare 23 builds) See popular component choices, score breakdowns and rankings.
Gaming 9%
Tree trunk
Desktop 61%
Workstation 9%
Tree trunk

System: Avita NS14A2


Popular SD9SN8W128G1122 128GB 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) September 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]


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.


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.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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