Average Bench: 53% (268th of 984)

Based on 816 user benchmarks.  Models: STM3250318AS, STM32503 18AS

Average average bench

The Seagate STM3250318AS 250GB averaged 46.9% 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 0.42MB/s
Avg. 4K Random Write Speed 1.51MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate STM3250318AS 250GB is 24.9%. This is a relatively narrow range which indicates that the Seagate STM3250318AS 250GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 68.9MB/s
Avg. 4K Random Read Speed 0.51MB/s

Average Bench

(Based on 816 samples)
Min Avg Max
71.4 Read 93.8 119
68.6 Write 90.9 115
23 Mixed 68.9 107
63.1% 84.5 MB/s
Min Avg Max
0.23 4K Read 0.51 0.69
0.69 4K Write 1.51 1.87
0.22 4K Mixed 0.42 0.61
96.2% 0.81 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
232GB free
Firmware: CC38 Max speed: SATA 2.0 300 MB/s
Read 123
Write 118
Mixed 107
87% 116 MB/s
4K Read 0.64
4K Write 1.92
4K Mixed 0.46
113% 1.01 MB/s
149GB free
Firmware: CC38 Max speed: SATA 2.0 300 MB/s
Read 114
Write 117
Mixed 33.3
64% 88.1 MB/s
4K Read 0.63
4K Write 1.86
4K Mixed 0.48
114% 0.99 MB/s
147GB free
Firmware: CC38
Read 109
Write 91.5
Mixed 74.1
68% 91.6 MB/s
4K Read 0.52
4K Write 1.62
4K Mixed 0.44
100% 0.86 MB/s
197GB free
Firmware: CC38 Max speed: SATA 2.0 300 MB/s
Read 92.7
Write 92
Mixed 95.4
70% 93.4 MB/s
4K Read 0.5
4K Write 1.72
4K Mixed 0.41
98% 0.88 MB/s
173GB free
Firmware: CC38
Read 96.4
Write 81.7
Mixed 81.1
65% 86.4 MB/s
4K Read 0.57
4K Write 1.49
4K Mixed 0.5
107% 0.86 MB/s
147GB free
Firmware: CC38 Max speed: SATA 2.0 300 MB/s
Read 88.2
Write 73.9
Mixed 75.9
60% 79.3 MB/s
4K Read 0.46
4K Write 1.43
4K Mixed 0.39
89% 0.76 MB/s
816 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,164,858 HDDs tested.

Typical STM3250318AS 250GB Builds (Compare 1,456 builds) See popular component choices, score breakdowns and rankings.
Gaming 56%
Desktop 55%
Workstation 45%
Speed boat

Motherboard: Gigabyte GA-990FX-GAMING

EDIT WITH CUSTOM PC BUILDER Value: 70% - Good Total price: $610

Popular STM3250318AS 250GB compatible motherboards:

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.
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  • - 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.
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Hard Drive Rankings (Price vs Performance) January 2018 HDD Rankings.

Welcome to our consumer Hard Drive comparison. We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by cost per GB to yield value for money. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top HDDs. Share your opinion by voting. [HDrivePro]


984 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 i7-7700K $280Nvidia GTX 1070 $430Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $290Nvidia GTX 1060-6GB $95Samsung 850 Evo 500GB $140
Intel Core i5-7600K $210AMD RX 480 $400Samsung 850 Pro 256GB $110
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $205SanDisk Extreme 64GB $65
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $51Corsair Vengeance LPX DDR4 3200 C16 2x8GB $220SanDisk Ultra Fit 32GB $12
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