Average Bench: 49.2% (319th of 1015)

Based on 16,879 user benchmarks.  Models: Hitachi HDT721010SLA360, HDT721010SLA360

Below average average bench

The Hitachi HDT721010SLA360 1TB averaged 50.8% 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 0.82MB/s
Avg. 4K Random Write Speed 1.71MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDT721010SLA360 1TB is 32.8%. This is a relatively narrow range which indicates that the Hitachi HDT721010SLA360 1TB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 45.9MB/s
Avg. Sustained Write Speed 83.1MB/s

Average Bench

(Based on 16,879 samples)
Min Avg Max
52.2 Read 88 110
39.3 Write 84.3 108
27.7 Mixed 45.9 56.9
41.5 SusWrite 83.1 109
55.2% 75.3 MB/s
Min Avg Max
0.4 4K Read 0.65 0.8
0.8 4K Write 1.71 2.1
0.5 4K Mixed 0.82 1
150% 1.06 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
621GB free
Firmware: ST6OA31B
SusWrite @10s intervals: 102 100 103 103 103 103 MB/s
Read 108
Write 102
Mixed 46.5
SusWrite 102
66% 89.8 MB/s
4K Read 0.7
4K Write 2
4K Mixed 1
177% 1.23 MB/s
702GB free (System drive)
Firmware: ST6OA31B
SusWrite @10s intervals: 75 77 88 88 18 18 MB/s
Read 112
Write 103
Mixed 55.8
SusWrite 60.6
61% 82.8 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 0.9
162% 1.13 MB/s
343GB free
Firmware: ST6OA39D
SusWrite @10s intervals: 73 79 79 79 80 79 MB/s
Read 83
Write 85.7
Mixed 45.8
SusWrite 78.2
54% 73.2 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.9
161% 1.1 MB/s
239GB free
Firmware: ST6OA39D
SusWrite @10s intervals: 84 83 85 84 86 86 MB/s
Read 61.5
Write 61
Mixed 35.5
SusWrite 84.8
44% 60.7 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.9
153% 0.97 MB/s
16,879 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,705,722 HDDs tested.


AmazonUS $9015 months
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Typical HDT721010SLA360 1TB Builds (Compare 47,620 builds) See popular component choices, score breakdowns and rankings.
Gaming 32%
Sail boat
Desktop 56%
Workstation 22%

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 51% - Above average Total price: $452

Popular HDT721010SLA360 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.
  • - 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.
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Hard Drive Rankings (Price vs Performance) December 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 $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $39
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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