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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 |
+ 22.2% |
2 TB WD My Passport |
USB 3.0 |
61.0 MB/s |
60.7 MB/s |
60.8 MB/s |
+ 3.2% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
59.4 MB/s |
58.7 MB/s |
59.0 MB/s |
+ 0.1% |
1 TB Seagate Backup Plus |
USB 3.0 |
64.3 MB/s |
53.6 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 |
- 5.4% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 3.0 |
61.0 MB/s |
46.8 MB/s |
53.9 MB/s |
- 8.6% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 2.0 |
29.8 MB/s |
27.2 MB/s |
28.5 MB/s |
- 51.7% |
64 GB OCZ Enyo |
USB 2.0 |
29.4 MB/s |
26.9 MB/s |
28.2 MB/s |
- 52.2% |
2 TB WD My Passport |
USB 2.0 |
28.4 MB/s |
25.9 MB/s |
27.1 MB/s |
- 54.0% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
28.2 MB/s |
25.6 MB/s |
26.9 MB/s |
- 54.4% |
1 TB Seagate Backup Plus |
USB 2.0 |
23.6 MB/s |
20.9 MB/s |
23.3 MB/s |
- 62.2% |
The 1 TB Seagate Backup Plus was about as fast as the 1.5 TB Seagate FreeAgent GoFlex on average. It was faster at large reads and slower at small reads. That makes it one of the faster USB 3.0 portable hard disk drives. On the other hand, when used with a USB 2.0 port, it became the slowest drive in this comparison.
Sustained Write Transfer Rsate
External Drives |
Interface |
Large Files |
Small Files |
Average |
Difference |
1 TB Seagate Backup Plus |
USB 3.0 |
59.5 MB/s |
45.5 MB/s |
52.5 MB/s |
Baseline |
64 GB OCZ Enyo |
USB 3.0 |
39.1 MB/s |
23.0 MB/s |
31.1 MB/s |
- 40.8% |
2 TB WD My Passport |
USB 3.0 |
32.5 MB/s |
20.3 MB/s |
26.4 MB/s |
- 49.7% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 3.0 |
39.1 MB/s |
13.0 MB/s |
26.1 MB/s |
- 50.4% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
35.8 MB/s |
12.3 MB/s |
24.0 MB/s |
- 54.2% |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
33.8 MB/s |
12.9 MB/s |
23.4 MB/s |
- 55.5% |
1 TB Seagate Backup Plus |
USB 2.0 |
21.1 MB/s |
19.0 MB/s |
20.1 MB/s |
- 61.8% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 2.0 |
23.1 MB/s |
11.6 MB/s |
17.3 MB/s |
- 66.9% |
64 GB OCZ Enyo |
USB 2.0 |
19.1 MB/s |
14.2 MB/s |
16.6 MB/s |
- 68.3% |
2 TB WD My Passport |
USB 2.0 |
16.7 MB/s |
12.7 MB/s |
14.7 MB/s |
- 71.9% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
18.8 MB/s |
9.4 MB/s |
14.1 MB/s |
- 73.1% |
When it came to writes, the 1 TB Seagate Backup Plus was the fastest portable hard disk drive in this comparison, by a very large margin.
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