Average Bench: 47.4% (400th of 995)

Based on 10,603 user benchmarks.  Model: SAMSUNG HD103SI

Below average average bench

The Samsung HD103SI 1TB averaged 52.6% 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. 4K Random Mixed IO Speed 0.32MB/s
Avg. 4K Random Write Speed 1.33MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Samsung HD103SI 1TB is 26.9%. This is a relatively narrow range which indicates that the Samsung HD103SI 1TB performs reasonably consistently under varying real world conditions.


Avg. Sequential Read Speed 80.7MB/s
Avg. 4K Random Read Speed 0.46MB/s

Average Bench

(Based on 10,603 samples)
Min Avg Max
50.8 Read 80.7 103
55 Write 84.4 107
28.7 Mixed 76.1 110
60.4% 80.4 MB/s
Min Avg Max
0.18 4K Read 0.46 0.64
0.66 4K Write 1.33 1.65
0.17 4K Mixed 0.32 0.43
79.4% 0.7 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
310GB free
Firmware: 1AG01118 Max speed: SATA 2.0 300 MB/s
Read 78
Write 102
Mixed 30.7
51% 70.1 MB/s
4K Read 0.26
4K Write 1.59
4K Mixed 0.4
85% 0.75 MB/s
854GB free
Firmware: 1AG01118 Max speed: SATA 2.0 300 MB/s
Read 74.5
Write 82.6
Mixed 78
59% 78.3 MB/s
4K Read 0.1
4K Write 0.24
4K Mixed 0.14
24% 0.16 MB/s
53GB free
Firmware: 1AG0 Max speed: SATA 2.0 300 MB/s
Read 49.5
Write 88.4
Mixed 61.3
50% 66.4 MB/s
4K Read 0.26
4K Write 1.42
4K Mixed 0.23
62% 0.64 MB/s
134GB free
Firmware: 1AG0 Max speed: SATA 2.0 300 MB/s
Read 67
Write 69.9
Mixed 69.5
52% 68.8 MB/s
4K Read 0.48
4K Write 1.28
4K Mixed 0.32
80% 0.7 MB/s
227GB free
Firmware: 1AG01118 Max speed: SATA 2.0 300 MB/s
Read 57.7
Write 74.1
Mixed 67.5
50% 66.4 MB/s
4K Read 0.36
4K Write 1.31
4K Mixed 0.31
74% 0.66 MB/s
272GB free
Firmware: 1AG0 Max speed: SATA 2.0 300 MB/s
Read 69.4
Write 58.2
Mixed 52.5
45% 60 MB/s
4K Read 0.56
4K Write 1.37
4K Mixed 0.38
91% 0.77 MB/s
10,603 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 8,300,895 HDDs tested.


AmazonUS $10218 mins
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Typical HD103SI 1TB Builds (Compare 19,178 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 57%
Workstation 23%

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 70% - Good Total price: $410

Popular HD103SI 1TB systems:

How Fast Is Your HDD? (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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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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  • - Compare your components to the highest voted in class.
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Hard Drive Rankings (Price vs Performance) March 2018 HDD Rankings.

We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. 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 HDDs. [HDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Fastest effective speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.


995 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different HDDs 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 $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $85
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $150
AMD Ryzen 5 1600 $188AMD RX 480 $400Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $216SanDisk Extreme 16GB $18
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