Average Bench: 35.7% (581st of 1015)

Based on 6,042 user benchmarks.  Model: Hitachi HDS721032CLA362

Poor average bench

The Hitachi HDS721032CLA362 320GB averaged 64.2% 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 0.7MB/s
Avg. 4K Random Read Speed 0.57MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS721032CLA362 320GB is 39.9%. This is a relatively wide range which indicates that the Hitachi HDS721032CLA362 320GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 37.2MB/s
Avg. Sustained Write Speed 59.5MB/s

Average Bench

(Based on 6,042 samples)
Min Avg Max
14.2 Read 64.8 94.5
15 Write 64.7 94
11.6 Mixed 37.2 52.5
22.8 SusWrite 59.5 91.9
41.5% 56.6 MB/s
Min Avg Max
0.2 4K Read 0.57 0.7
0.4 4K Write 1.14 1.4
0.1 4K Mixed 0.7 0.9
122% 0.8 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
267GB free
Firmware: JPFOA3FF
SusWrite @10s intervals: 93 89 90 92 90 94 MB/s
Read 81.8
Write 79
Mixed 44.2
SusWrite 91.2
54% 74.1 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.8
144% 0.97 MB/s
274GB free
Firmware: JPFOA3EA
SusWrite @10s intervals: 82 81 83 83 82 83 MB/s
Read 85.6
Write 80.1
Mixed 43.6
SusWrite 82.5
53% 72.9 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.8
142% 0.93 MB/s
255GB free (System drive)
Firmware: JPFOA3EA
SusWrite @10s intervals: 61 62 62 65 68 69 MB/s
Read 58.5
Write 59.8
Mixed 36.8
SusWrite 64.6
40% 54.9 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.7
127% 0.87 MB/s
177GB free (System drive)
Firmware: JPFOA3GH
SusWrite @10s intervals: 42 28 42 33 62 65 MB/s
Read 45
Write 56.4
Mixed 29
SusWrite 45.2
32% 43.9 MB/s
4K Read 0.5
4K Write 1.1
4K Mixed 0.4
86% 0.67 MB/s
6,042 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,065,441 HDDs tested.


AmazonUS $15012 months
Send price feedback
Typical HDS721032CLA362 320GB Builds (Compare 303 builds) See popular component choices, score breakdowns and rankings.
Gaming 0%
Desktop 0%
Workstation 0%

System: Langchao 12345

EDIT WITH CUSTOM PC BUILDER Value: 32% - Below average Total price: $59

Popular HDS721032CLA362 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.

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) January 2020 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 i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $42
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $384Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback