Average Bench: 96.5% (204th of 1003)

Based on 820 user benchmarks.  Model: SAMSUNG KUS020203M-B000

Excellent average bench

The Samsung KUS020203M-B000 128GB averaged just 3.5% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung KUS020203M-B000 128GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 426MB/s
Avg. 4K-64Thread Read Speed 543MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Samsung KUS020203M-B000 128GB is 60.7%. This is a particularly wide range which indicates that the Samsung KUS020203M-B000 128GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 159MB/s
Avg. Sequential Mixed IO Speed 272MB/s

Average Bench

(Based on 820 samples)
Min Avg Max
358 Read 515 750
320 Write 535 643
200 Mixed 272 369
122 SusWrite 159 175
82.7% 370 MB/s
Min Avg Max
17.8 4K Read 38.6 49.1
34.9 4K Write 78.8 109
16.9 4K Mixed 44.1 60.7
157% 53.8 MB/s
Min Avg Max
230 DQ Read 543 809
133 DQ Write 261 352
171 DQ Mixed 426 582
310% 410 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
47GB free (System drive)
Firmware: DXB86M1Q
SusWrite @10s intervals: 158 135 135 134 133 133 MB/s
Read 651
Write 612
Mixed 341
SusWrite 138
97% 436 MB/s
4K Read 35.8
4K Write 61.7
4K Mixed 41.5
140% 46.3 MB/s
DQ Read 488
DQ Write 199
DQ Mixed 416
289% 368 MB/s
69GB free (System drive)
Firmware: DXB86M1Q
SusWrite @10s intervals: 160 151 149 149 151 150 MB/s
Read 406
Write 570
Mixed 172
SusWrite 152
73% 325 MB/s
4K Read 25.4
4K Write 65.4
4K Mixed 20.6
100% 37.1 MB/s
DQ Read 496
DQ Write 162
DQ Mixed 225
193% 294 MB/s
820 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,042,785 SSDs tested.

Typical KUS020203M-B000 128GB Builds (Compare 3,542 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Desktop 54%
Workstation 28%

System: Microsoft Surface Pro


Popular KUS020203M-B000 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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  • - CPU tests include: integer, floating and string.
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  • - 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.
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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 $355Nvidia GTX 1070 $335Samsung 850 Evo 250GB $84
AMD Ryzen 5 2600 $140Nvidia GTX 1060-6GB $213Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $274Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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