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Sustained Read Transfer Rate
External Drives |
Interface |
Large Files |
Small Files |
Average |
Difference |
64 GB OCZ Enyo |
USB 3.0 |
80.6 MB/s |
63.5 MB/s |
72.0 MB/s |
+ 22.0% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
59.4 MB/s |
58.7 MB/s |
59.0 MB/s |
Baseline |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
57.1 MB/s |
54.5 MB/s |
55.8 MB/s |
- 5.5% |
16 GB Kingston DT Ultimate 3.0 |
USB 3.0 |
54.6 MB/s |
47.9 MB/s |
51.2 MB/s |
- 13.2% |
500 GB WD My Passport Essential |
USB 3.0 |
47.5 MB/s |
44.5 MB/s |
46.0 MB/s |
- 22.1% |
64 GB OCZ Enyo |
USB 2.0 |
29.4 MB/s |
26.9 MB/s |
28.2 MB/s |
- 52.3% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
28.2 MB/s |
25.6 MB/s |
26.9 MB/s |
- 54.4% |
500 GB WD My Passport Essential |
USB 2.0 |
28.2 MB/s |
25.0 MB/s |
26.6 MB/s |
- 54.9% |
16 GB Kingston DT Ultimate 3.0 |
USB 2.0 |
28.3 MB/s |
24.6 MB/s |
26.5 MB/s |
- 55.2% |
The 1.5 TB Seagate FreeAgent GoFlex was a very fast USB 3.0 drive. It was faster than all the other USB 3.0 external drives with the singular exception of the 64 GB OCZ Enyo. This is possibly due to the use of two internal drives, instead of the usual single drive.
Sustained Write Transfer Rate
External Drives |
Interface |
Large Files |
Small Files |
Average |
Difference |
16 GB Kingston DT Ultimate 3.0 |
USB 3.0 |
41.7 MB/s |
22.9 MB/s |
32.3 MB/s |
+ 34.5% |
64 GB OCZ Enyo |
USB 3.0 |
39.1 MB/s |
23.0 MB/s |
31.1 MB/s |
+ 29.3% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
35.8 MB/s |
12.3 MB/s |
24.0 MB/s |
Baseline |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
33.8 MB/s |
12.9 MB/s |
23.4 MB/s |
- 2.7% |
500 GB WD My Passport Essential |
USB 3.0 |
27.2 MB/s |
19.3 MB/s |
23.3 MB/s |
- 3.2% |
16 GB Kingston DT Ultimate 3.0 |
USB 2.0 |
22.1 MB/s |
15.1 MB/s |
18.6 MB/s |
- 22.7% |
64 GB OCZ Enyo |
USB 2.0 |
19.1 MB/s |
14.2 MB/s |
16.6 MB/s |
- 28.9% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
18.8 MB/s |
9.4 MB/s |
14.1 MB/s |
- 39.6% |
500 GB WD My Passport Essential |
USB 2.0 |
15.2 MB/s |
11.4 MB/s |
13.3 MB/s |
- 43.3% |
When it came to writes though, the 1.5 TB Seagate FreeAgent GoFlex could not keep up with the flash-based Kingston DataTraveler Ultimate 3.0 and OCZ Enyo drives. However, it was still the fastest HDD-based external drive in this comparison.
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