Average Bench: 39.9% (899th of 1026)

Based on 15,448 user benchmarks.  Model: SanDisk SDSSDP128G

Poor average bench

The Sandisk S128G 126GB averaged 60.1% 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 392MB/s
Avg. 4K Random Read Speed 14.6MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk S128G 126GB is 25.5%. 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 31.8MB/s

Average Bench

(Based on 15,448 samples)
Min Avg Max
304 Read 392 451
140 Write 259 329
40.1 Mixed 71.1 91.8
46.1 SusWrite 166 333
49.1% 222 MB/s
Min Avg Max
9.4 4K Read 14.6 18.3
5.84 4K Write 12.6 17.7
7.99 4K Mixed 11.1 13.5
43.1% 12.8 MB/s
Min Avg Max
30.3 DQ Read 31.8 33
11.6 DQ Write 15.5 19.2
12.6 DQ Mixed 17.1 20.1
14.4% 21.5 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
34GB free (System drive)
Firmware: 3.1.0
SusWrite @10s intervals: 136 53 35 28 36 26 MB/s
Read 425
Write 295
Mixed 69
SusWrite 52.2
46% 210 MB/s
4K Read 16.4
4K Write 12
4K Mixed 9.1
43% 12.5 MB/s
DQ Read 32.9
DQ Write 15.9
DQ Mixed 16.1
14% 21.6 MB/s
22GB free (System drive)
Firmware: 0
SusWrite @10s intervals: 186 95 38 52 20 25 MB/s
Read 394
Write 232
Mixed 71
SusWrite 69.5
42% 192 MB/s
4K Read 15.5
4K Write 11.8
4K Mixed 8.7
41% 12 MB/s
DQ Read 33.2
DQ Write 11.8
DQ Mixed 14.9
13% 20 MB/s
15,448 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 28,434,890 SSDs tested.

Typical S128G 126GB Builds (Compare 15,216 builds) See popular component choices, score breakdowns and rankings.
Gaming 51%
Desktop 65%
Workstation 49%

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

EDIT WITH CUSTOM PC BUILDER Value: 50% - Average Total price: $684

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) July 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.


1026 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 $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9400F $154Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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