Average Bench: 38.4% (879th of 1003)

Based on 9,796 user benchmarks.  Model: SanDisk SDSSDP128G

Poor average bench

The Sandisk S128G 126GB averaged 61.6% 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 391MB/s
Avg. 4K Random Read Speed 14.5MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk S128G 126GB is 25.8%. This is a relatively narrow range which indicates that the Sandisk S128G 126GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Write Speed 15.5MB/s
Avg. 4K-64Thread Read Speed 31.3MB/s

Average Bench

(Based on 9,796 samples)
Min Avg Max
300 Read 391 451
106 Write 248 321
37.6 Mixed 70 99.8
39.4 SusWrite 143 317
47% 213 MB/s
Min Avg Max
10.3 4K Read 14.5 18.6
5.96 4K Write 12.5 17.7
7.68 4K Mixed 10.9 13.5
42.6% 12.6 MB/s
Min Avg Max
14.6 DQ Read 31.3 33.1
10.8 DQ Write 15.5 19.2
12 DQ Mixed 17 20.1
14.3% 21.3 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
60GB free (System drive)
Firmware: 3.1.0
SusWrite @10s intervals: 219 239 247 270 169 103 MB/s
Read 423
Write 265
Mixed 84.2
SusWrite 208
54% 245 MB/s
4K Read 13
4K Write 12.5
4K Mixed 9.6
39% 11.7 MB/s
DQ Read 32.7
DQ Write 15.2
DQ Mixed 16
14% 21.3 MB/s
43GB free (System drive)
Firmware: 3.2.0
SusWrite @10s intervals: 205 220 199 311 194 113 MB/s
Read 402
Write 281
Mixed 64.2
SusWrite 207
53% 239 MB/s
4K Read 11.9
4K Write 11.8
4K Mixed 10.9
38% 11.5 MB/s
DQ Read 32.8
DQ Write 15.4
DQ Mixed 16.8
14% 21.7 MB/s
9,796 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,013,832 SSDs tested.

Typical S128G 126GB Builds (Compare 9,728 builds) See popular component choices, score breakdowns and rankings.
Gaming 60%
Desktop 62%
Workstation 43%
Speed boat

Motherboard: MSI Z97 PC Mate(MS-7850) - $100

EDIT WITH CUSTOM PC BUILDER Value: 72% - Very good Total price: $729

Popular S128G 126GB 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.
  • - 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) June 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]


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.


1003 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 $365Nvidia GTX 1070 $335Samsung 850 Evo 250GB $85
AMD Ryzen 5 2600 $139Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $79SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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