Average Bench: 16.3% (292nd of 639)

Based on 175 user benchmarks.  Device: VID 4971 PID ce17 Model: Hitachi HDS722020ALA330
Poor: 12%Average: 16.3% Great: 19%

Terrible average bench

The Hitachi HDS722020ALA330 2TB averaged 83.6% 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.

Strengths

Avg. 4K Random Write Speed 1.27MB/s
Avg. 4K Random Mixed IO Speed 0.65MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS722020ALA330 2TB is just 6.9%. This is an extremely narrow range which indicates that the Hitachi HDS722020ALA330 2TB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.66MB/s
Avg. Sequential Read Speed 35.1MB/s
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Average Bench

(Based on 175 samples)
Min Avg Max
25.3 Read 35.1 41.4
22.1 Write 33.7 41.3
9.51 Mixed 27 36.8
15.7 SusWrite 32.5 41.7
43.3% 32.1 MB/s
Min Avg Max
0.45 4K Read 0.66 0.8
1.1 4K Write 1.27 1.46
0.3 4K Mixed 0.65 0.9
67.8% 0.86 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 42 42 42 42 42 42 MB/s
Read 39.6
Write 40
Mixed 33.2
SusWrite 41.8
53% 38.7 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.9
81% 1.03 MB/s
572GB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 37 40 41 41 41 41 MB/s
Read 40.2
Write 40.4
Mixed 35.6
SusWrite 40.3
53% 39.1 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.9
81% 1.03 MB/s
990GB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 39 39 39 39 39 39 MB/s
Read 39.5
Write 39.1
Mixed 32.7
SusWrite 39.2
51% 37.6 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.9
81% 1.03 MB/s
2TB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 39 39 40 39 39 39 MB/s
Read 39
Write 38.2
Mixed 32.2
SusWrite 39.4
51% 37.2 MB/s
4K Read 0.8
4K Write 1.3
4K Mixed 0.9
78% 1 MB/s
902GB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 39 40 40 39 41 40 MB/s
Read 34.4
Write 37.1
Mixed 27.4
SusWrite 39.6
48% 34.6 MB/s
4K Read 0.7
4K Write 0.6
4K Mixed 0.6
43% 0.63 MB/s
389GB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 29 27 26 26 27 27 MB/s
Read 30.6
Write 28.4
Mixed 26
SusWrite 26.9
38% 28 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.8
74% 0.93 MB/s
1.5TB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 15 15 15 15 15 16 MB/s
Read 39.6
Write 39.3
Mixed 35
SusWrite 15.4
43% 32.3 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 0.9
84% 1.03 MB/s
985GB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 23 24 25 25 25 24 MB/s
Read 30.9
Write 23.5
Mixed 24.2
SusWrite 24.2
34% 25.7 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.8
70% 0.87 MB/s
899GB free, PID ce17
Operating at USB 2.0 Speed
SusWrite @10s intervals: 22 25 23 24 24 24 MB/s
Read 28
Write 22.3
Mixed 20.8
SusWrite 23.8
32% 23.7 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.6
60% 0.77 MB/s
175 MORE »
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USB Flash Drive Rankings (Price vs Performance) August 2021 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

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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.

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