Average Bench: 35.6% (590th of 1015)

Based on 4,534 user benchmarks.  Model: Hitachi HDS721032CLA362

Poor average bench

The Hitachi HDS721032CLA362 320GB averaged 64.3% 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 0.56MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS721032CLA362 320GB is 38.3%. 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 37MB/s
Avg. Sustained Write Speed 59MB/s

Average Bench

(Based on 4,534 samples)
Min Avg Max
13.1 Read 64.9 97.1
16.2 Write 64.2 93.8
13.1 Mixed 37 52.8
23.4 SusWrite 59 92.5
41.3% 56.3 MB/s
Min Avg Max
0.2 4K Read 0.56 0.7
0.5 4K Write 1.15 1.4
0.2 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%
106GB free
Firmware: JPFOA3EA
SusWrite @10s intervals: 48 50 45 50 47 50 MB/s
Read 74.2
Write 77.5
Mixed 40.8
SusWrite 48
44% 60.1 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.8
144% 0.97 MB/s
162GB free (System drive)
Firmware: JPFOA39C
SusWrite @10s intervals: 33 44 34 45 45 46 MB/s
Read 63
Write 65.8
Mixed 32.8
SusWrite 41
37% 50.7 MB/s
4K Read 0.3
4K Write 1.1
4K Mixed 0.7
111% 0.7 MB/s
154GB free (System drive)
Firmware: JPFOA3GH
SusWrite @10s intervals: 34 26 32 50 57 61 MB/s
Read 56.7
Write 53.5
Mixed 35.2
SusWrite 43.1
35% 47.1 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.7
123% 0.8 MB/s
4,534 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,414,788 HDDs tested.


AmazonUS $1506 months
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Typical HDS721032CLA362 320GB Builds (Compare 233 builds) See popular component choices, score breakdowns and rankings.
Gaming 0%
Desktop 0%
Workstation 0%

System: Langchao 12345

EDIT WITH CUSTOM PC BUILDER Value: 64% - Good Total price: $13

Popular HDS721032CLA362 320GB systems:

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Hard Drive Rankings (Price vs Performance) July 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 i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $252Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $728SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Ultra Fit 32GB $12
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