Average Bench: 31.7% (691st of 1015)

Based on 12,974 user benchmarks.  Models: Hitachi HTS547550A9E384, APPLE HDD HTS547550A9E384

Poor average bench

The Hitachi HTS547550A9E384 500GB averaged 68.2% 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 0.48MB/s
Avg. 4K Random Write Speed 0.99MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Hitachi HTS547550A9E384 500GB is 35.3%. This is a relatively wide range which indicates that the Hitachi HTS547550A9E384 500GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 31.5MB/s
Avg. Sustained Write Speed 54.3MB/s

Average Bench

(Based on 12,974 samples)
Min Avg Max
11.1 Read 56.1 86.5
14.9 Write 56.1 83.7
10.4 Mixed 31.5 43.5
18.3 SusWrite 54.3 81.5
36.3% 49.5 MB/s
Min Avg Max
0.1 4K Read 0.41 0.5
0.3 4K Write 0.99 1.3
0.1 4K Mixed 0.48 0.6
89% 0.63 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
441GB free (System drive)
Firmware: JE3O
SusWrite @10s intervals: 85 84 84 87 84 88 MB/s
Read 88.5
Write 86
Mixed 43.5
SusWrite 85.4
56% 75.8 MB/s
4K Read 0.5
4K Write 1.2
4K Mixed 0.5
99% 0.73 MB/s
383GB free
Firmware: JE3OA50A
SusWrite @10s intervals: 53 48 54 68 64 72 MB/s
Read 72.3
Write 58
Mixed 39.7
SusWrite 59.8
42% 57.5 MB/s
4K Read 0.3
4K Write 0.9
4K Mixed 0.6
96% 0.6 MB/s
394GB free (System drive)
Firmware: JE3ZD60D
SusWrite @10s intervals: 15 9.5 31 49 53 50 MB/s
Read 58.9
Write 57.4
Mixed 34.2
SusWrite 34.5
34% 46.2 MB/s
4K Read 0.3
4K Write 0.9
4K Mixed 0.4
74% 0.53 MB/s
12,974 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,316,029 HDDs tested.


AmazonUS $604 years
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Typical HTS547550A9E384 500GB Builds (Compare 11,599 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 42%
Speed boat
Workstation 16%

System: HP Pavilion g6 Notebook PC

EDIT WITH CUSTOM PC BUILDER Value: 35% - Below average Total price: $306

Popular HTS547550A9E384 500GB systems:

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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.
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Hard Drive Rankings (Price vs Performance) November 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

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