Average Bench: 43.1% (447th of 1015)

Based on 51 user benchmarks.  Model: Hitachi HTS72503

Below average average bench

The Hitachi HTS72503 320GB averaged 56.8% 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 0.49MB/s
Avg. 4K Random Read Speed 0.51MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Hitachi HTS72503 320GB is 25.5%. This is a relatively narrow range which indicates that the Hitachi HTS72503 320GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 65.7MB/s
Avg. Sequential Mixed IO Speed 58.5MB/s

Average Bench

(Based on 51 samples)
Min Avg Max
28.1 Read 76.7 100
24.9 Write 77.8 100
19.4 Mixed 58.5 92.3
8.29 SusWrite 65.7 101
51.5% 69.7 MB/s
Min Avg Max
0.16 4K Read 0.51 0.68
0.48 4K Write 1.13 1.6
0.14 4K Mixed 0.49 0.9
96.5% 0.71 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
270GB free (System drive)
Firmware: CC0E
SusWrite @10s intervals: 91 90 94 72 95 103 MB/s
Read 100
Write 93.3
Mixed 53
SusWrite 90.8
62% 84.3 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.6
116% 0.83 MB/s
159GB free (System drive)
Firmware: PC3ZC70F
SusWrite @10s intervals: 92 69 78 94 90 MB/s
Read 98.4
Write 98.4
Mixed 49.3
SusWrite 85.5
61% 82.9 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.8
134% 0.83 MB/s
125GB free
Firmware: C71E
SusWrite @10s intervals: 82 82 82 80 82 83 MB/s
Read 81.3
Write 84.9
Mixed 39.5
SusWrite 81.9
52% 71.9 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.7
123% 0.8 MB/s
108GB free (System drive)
Firmware: C72E
SusWrite @10s intervals: 5.5 5 4.9 6 7 4.7 MB/s
Read 6.3
Write 5
Mixed 5.2
SusWrite 5.5
4% 5.5 MB/s
4K Read 0.1
4K Write 0
4K Mixed 0
4% 0.03 MB/s
51 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,236,013 HDDs tested.

Typical HTS72503 320GB Builds (Compare 5,468 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 42%
Speed boat
Workstation 18%

System: HP Pavilion dv7 Notebook PC

EDIT WITH CUSTOM PC BUILDER Value: 33% - Below average Total price: $286

Popular HTS72503 320GB 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.
  • - 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.
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  • - Share your opinion by voting.
Hard Drive Rankings (Price vs Performance) August 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 $143Nvidia GTX 1660 $220Samsung 850 Evo 250GB $86
Intel Core i5-9600K $219Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $102
AMD Ryzen 5 3600 $198AMD RX 580 $167Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $42G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 16GB $24
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