Average Bench: 69.5% (660th of 1058)

Based on 1,527 user benchmarks.  Model: SanDisk SD8SB8U-128G-1006

Above average average bench

The Sandisk SD8SB8U-128G-1006 128GB averaged 30.4% 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. 4K-64Thread Mixed IO Speed 182MB/s
Avg. 4K Random Mixed IO Speed 33MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Sandisk SD8SB8U-128G-1006 128GB is 38.6%. This is a relatively wide range which indicates that the Sandisk SD8SB8U-128G-1006 128GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 80.9MB/s
Avg. Sequential Mixed IO Speed 206MB/s

Average Bench

(Based on 1,527 samples)
Min Avg Max
325 Read 417 486
99 Write 210 314
99.2 Mixed 206 305
39.6 SusWrite 80.9 106
50.5% 229 MB/s
Min Avg Max
16.8 4K Read 27.7 37.6
31.7 4K Write 65.3 110
18.9 4K Mixed 33 47.1
119% 42 MB/s
Min Avg Max
218 DQ Read 310 350
110 DQ Write 194 251
134 DQ Mixed 182 216
155% 229 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
13GB free (System drive)
Firmware: X4120006
SusWrite @10s intervals: 87 66 41 37 53 33 MB/s
Read 424
Write 171
Mixed 191
SusWrite 52.8
46% 210 MB/s
4K Read 28.4
4K Write 47.7
4K Mixed 27.7
104% 34.6 MB/s
DQ Read 333
DQ Write 208
DQ Mixed 94.4
118% 212 MB/s
95GB free (System drive)
Firmware: X4120006
SusWrite @10s intervals: 115 109 90 95 87 92 MB/s
Read 446
Write 336
Mixed 206
SusWrite 97.9
60% 271 MB/s
4K Read 23
4K Write 34.1
4K Mixed 18.6
77% 25.2 MB/s
DQ Read 351
DQ Write 182
DQ Mixed 216
174% 250 MB/s
85GB free (System drive)
Firmware: X4120006
SusWrite @10s intervals: 72 78 82 84 82 83 MB/s
Read 350
Write 115
Mixed 191
SusWrite 80
41% 184 MB/s
4K Read 18
4K Write 37.6
4K Mixed 24.7
79% 26.8 MB/s
DQ Read 181
DQ Write 120
DQ Mixed 128
102% 143 MB/s
1,527 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,227,963 SSDs tested.

Typical SD8SB8U-128G-1006 128GB Builds (Compare 746 builds) See popular component choices, score breakdowns and rankings.
Gaming 43%
Speed boat
Desktop 79%
Workstation 34%
Sail boat

System: HP Pavilion Power Desktop 580-0xx

EDIT WITH CUSTOM PC BUILDER Value: 65% - Good Total price: $435

Popular SD8SB8U-128G-1006 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) $72G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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