Average Bench: 36.5% (794th of 921)

Based on 2,868 user benchmarks.  Models: SanDisk SDSSDP128G, SanDisk SDSSDP12

Poor average bench

The SanDisk SSD 128GB averaged 63.4% 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.


Avg. Sequential Read Speed 427MB/s
Avg. 4K Random Read Speed 14.5MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk SSD 128GB is 24.2%. This is a relatively narrow range which indicates that the SanDisk SSD 128GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Write Speed 9.43MB/s
Avg. 4K-64Thread Mixed IO Speed 5.39MB/s

Average Bench

(Based on 2,868 samples)
Min Avg Max
334 Read 427 458
20.6 Write 149 311
31.9 Mixed 186 343
55.3% 254 MB/s
Min Avg Max
10.3 4K Read 14.5 17.5
5.79 4K Write 9.22 12
3.38 4K Mixed 4.92 6.4
33.1% 9.55 MB/s
Min Avg Max
13.5 DQ Read 26.6 37.2
6.58 DQ Write 9.43 11.8
3.79 DQ Mixed 5.39 6.9
7.3% 13.8 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
100GB free
Firmware: 2.0.0 Max speed: SATA 3.0 600 MB/s
Read 429
Write 241
Mixed 307
72% 326 MB/s
4K Read 13.2
4K Write 10.3
4K Mixed 4.57
31% 9.35 MB/s
DQ Read 14.1
DQ Write 10.2
DQ Mixed 4.63
6% 9.63 MB/s
83GB free
Firmware: 2.0.0 Max speed: SATA 3.0 600 MB/s
Read 445
Write 165
Mixed 204
59% 271 MB/s
4K Read 16.2
4K Write 7.55
4K Mixed 4.68
34% 9.48 MB/s
46GB free
Firmware: 2.0.0 Max speed: SATA 3.0 600 MB/s
Read 439
Write 34.1
Mixed 159
45% 210 MB/s
4K Read 14.1
4K Write 9.09
4K Mixed 5.14
33% 9.45 MB/s
DQ Read 32.9
DQ Write 7.77
DQ Mixed 5.25
8% 15.3 MB/s
17GB free
Firmware: 2.0.0 Max speed: SATA 3.0 600 MB/s
Read 444
Write 23.9
Mixed 55.4
37% 174 MB/s
4K Read 15.6
4K Write 7.05
4K Mixed 5.28
34% 9.32 MB/s
33GB free
Firmware: 2.0.0 Max speed: SATA 3.0 600 MB/s
Read 351
Write 36.8
Mixed 122
37% 170 MB/s
4K Read 13.9
4K Write 8.78
4K Mixed 3.83
31% 8.84 MB/s
DQ Read 17.2
DQ Write 9.81
DQ Mixed 4.61
6% 10.5 MB/s
2,868 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,471,072 SSDs tested.


AmazonUS $843 years
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Typical SSD 128GB Builds (Compare 9,837 builds) See popular component choices, score breakdowns and rankings.
Gaming 24%
Desktop 40%
Jet ski
Workstation 27%

Motherboard: Asus M5A78L-M/USB3 - $53

EDIT WITH CUSTOM PC BUILDER Value: 50% - Above average Total price: $318

Popular SSD 128GB compatible motherboards:

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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) April 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]


Group Test Results

  • Best user rated - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.


Added n/a ago.

Excellent (edit your comment) Add link

4 months ago.

This is a great and cheap SSD. I'm very satisfied with it! I had a 5400 RPM hard drive that was absolutely sluggish but this SSD made my laptop perform much better!

921 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 i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $176AMD RX 480 $350Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Extreme 16GB $18
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