Average Bench: 25.3% (873rd of 1015)

Based on 1,810 user benchmarks.  Models: ST9250827AS, ST925082 7AS, ST925082 ST9250827AS

Very poor average bench

The Seagate ST9250827AS 250GB averaged 74.6% 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 0.53MB/s
Avg. 4K Random Read Speed 0.44MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST9250827AS 250GB is 25.3%. This is a relatively narrow range which indicates that the Seagate ST9250827AS 250GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 30.6MB/s
Avg. Sustained Write Speed 43MB/s

Average Bench

(Based on 1,810 samples)
Min Avg Max
11 Read 45.2 60.5
14 Write 44.8 61
11.7 Mixed 30.6 38.8
16.9 SusWrite 43 60.7
30.1% 40.9 MB/s
Min Avg Max
0.1 4K Read 0.44 0.5
0.3 4K Write 0.71 1
0.1 4K Mixed 0.53 0.6
89.7% 0.56 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
27GB free
Firmware: 3.AHC
SusWrite @10s intervals: 51 53 53 53 53 53 MB/s
Read 53.3
Write 49.3
Mixed 38
SusWrite 52.5
36% 48.3 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.6
104% 0.67 MB/s
115GB free
Firmware: 3.AHC
SusWrite @10s intervals: 51 51 49 51 51 51 MB/s
Read 50
Write 49
Mixed 34.7
SusWrite 50.9
34% 46.2 MB/s
4K Read 0.5
4K Write 0.7
4K Mixed 0.6
100% 0.6 MB/s
73GB free (System drive)
Firmware: 3.AAA
SusWrite @10s intervals: 30 17 17 19 15 23 MB/s
Read 10.5
Write 24.8
Mixed 17.4
SusWrite 20.2
14% 18.2 MB/s
4K Read 0.3
4K Write 0.3
4K Mixed 0.5
74% 0.37 MB/s
1,810 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,876,274 HDDs tested.

Typical ST9250827AS 250GB Builds (Compare 88 builds) See popular component choices, score breakdowns and rankings.
Gaming 11%
Tree trunk
Desktop 22%
Workstation 12%
Tree trunk

System: Asus F5SL

EDIT WITH CUSTOM PC BUILDER Value: 10% - Very poor Total price: $174

Popular ST9250827AS 250GB 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.

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.
  • - 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.
Hard Drive Rankings (Price vs Performance) September 2019 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.
  • 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.


1015 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 i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $60
Intel Core i5-9600K $225Nvidia GTX 1660-Ti $278Samsung 850 Evo 500GB $105
AMD Ryzen 5 3600 $195Nvidia RTX 2060 $340Samsung 850 Pro 256GB $207
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $34G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $64Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 16GB $24
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