Average Bench: 55.9% (808th of 1040)

Based on 9,961 user benchmarks.  Model: SanDisk SD8SNAT128G1002

Average average bench

The Sandisk SD8SNAT128G1002 128GB averaged 44.0% 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 Random Write Speed 66.1MB/s
Avg. 4K-64Thread Mixed IO Speed 72.7MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Sandisk SD8SNAT128G1002 128GB is 21.3%. This is a relatively narrow range which indicates that the Sandisk SD8SNAT128G1002 128GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Write Speed 158MB/s
Avg. Sustained Write Speed 160MB/s

Average Bench

(Based on 9,961 samples)
Min Avg Max
338 Read 411 473
128 Write 158 176
148 Mixed 167 184
91 SusWrite 160 176
49.4% 224 MB/s
Min Avg Max
10.6 4K Read 19.7 26.5
41.7 4K Write 66.1 94.5
7.9 4K Mixed 10.5 13.1
78.3% 32.1 MB/s
Min Avg Max
144 DQ Read 163 202
143 DQ Write 169 180
48.7 DQ Mixed 72.7 78.9
80.3% 135 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
26GB free (System drive)
Firmware: Z2317002
SusWrite @10s intervals: 160 159 168 170 155 116 MB/s
Read 455
Write 160
Mixed 176
SusWrite 155
52% 236 MB/s
4K Read 22.4
4K Write 62.9
4K Mixed 11.4
82% 32.2 MB/s
DQ Read 23.1
DQ Write 104
DQ Mixed 12.8
25% 46.6 MB/s
24GB free (System drive)
Firmware: Z2317002
SusWrite @10s intervals: 161 163 169 167 166 166 MB/s
Read 415
Write 165
Mixed 166
SusWrite 165
50% 228 MB/s
4K Read 17.7
4K Write 46.1
4K Mixed 10.3
64% 24.7 MB/s
DQ Read 158
DQ Write 177
DQ Mixed 77.9
83% 138 MB/s
31GB free (System drive)
Firmware: Z2317002
SusWrite @10s intervals: 141 154 111 77 80 69 MB/s
Read 437
Write 170
Mixed 160
SusWrite 105
48% 218 MB/s
4K Read 15.8
4K Write 55.1
4K Mixed 11.1
67% 27.3 MB/s
DQ Read 156
DQ Write 173
DQ Mixed 74.6
81% 135 MB/s
9,961 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 37,997,259 SSDs tested.

Typical SD8SNAT128G1002 128GB Builds (Compare 4,656 builds) See popular component choices, score breakdowns and rankings.
Gaming 7%
Tree trunk
Desktop 64%
Workstation 7%
Tree trunk

System: Asus GL553VD


Popular SD8SNAT128G1002 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.

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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) January 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.


1040 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 i5-10600K $257Nvidia RTX 3060-Ti $400Crucial MX500 250GB $47
Intel Core i5-9600K $219Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10400F $161Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $40
Seagate Barracuda 1TB (2016) $33Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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