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IO Meter - 4 KB Random Access Performance
External Drives |
Interface |
Read Speed |
Write Speed |
Average |
Difference |
64 GB OCZ Enyo |
USB 3.0 |
20.88 MB/s |
7.98 MB/s |
14.43 MB/s |
+ 6174% |
64 GB OCZ Enyo |
USB 2.0 |
8.19 MB/s |
8.11 MB/s |
8.15 MB/s |
+ 3444% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 3.0 |
7.16 MB/s |
0.09 MB/s |
3.63 MB/s |
+ 1476% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 2.0 |
4.33 MB/s |
0.09 MB/s |
2.21 MB/s |
+ 861% |
1 TB Seagate Backup Plus |
USB 3.0 |
0.23 MB/s |
0.23 MB/s |
0.23 MB/s |
Baseline |
1 TB Seagate Backup Plus |
USB 2.0 |
0.23 MB/s |
0.23 MB/s |
0.23 MB/s |
Baseline |
2 TB WD My Passport |
USB 3.0 |
0.23 MB/s |
0.19 MB/s |
0.21 MB/s |
- 8.7% |
2 TB WD My Passport |
USB 2.0 |
0.23 MB/s |
0.19 MB/s |
0.21 MB/s |
- 8.7% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
0.17 MB/s |
0.16 MB/s |
0.17 MB/s |
- 28.3% |
1.5 TB Seagate FreeAgent GoFlex |
USB 2.0 |
0.17 MB/s |
0.15 MB/s |
0.16 MB/s |
- 30.4% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
0.17 MB/s |
0.15 MB/s |
0.16 MB/s |
- 30.4% |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
0.17 MB/s |
0.15 MB/s |
0.16 MB/s |
- 30.4% |
This is the most important test for those who intend to use the Backup Plus as a portable boot drive. In this small random access test, the 1 TB Backup Plus did poorly compared to the flash-based Kingston DataTraveler Ultimate 3.0 G2 and OCZ Enyo drives. That said, it was still the fastest HDD-based portable drive in this comparison, and by a significant amount too.
IO Meter - 512 KB Random Access Performance
External Drives |
Interface |
Read Speed |
Write Speed |
Average |
Difference |
64 GB OCZ Enyo |
USB 3.0 |
130.60 MB/s |
99.59 MB/s |
115.10 MB/s |
+ 573.3% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 3.0 |
76.03 MB/s |
0.92 MB/s |
38.48 MB/s |
+ 125.1% |
64 GB OCZ Enyo |
USB 2.0 |
35.48 MB/s |
30.88 MB/s |
33.18 MB/s |
+ 94.1% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 2.0 |
35.40 MB/s |
0.92 MB/s |
18.16 MB/s |
+ 6.2% |
2 TB WD My Passport |
USB 3.0 |
21.03 MB/s |
14.91 MB/s |
17.97 MB/s |
+ 5.1% |
1 TB Seagate Backup Plus |
USB 3.0 |
21.05 MB/s |
13.14 MB/s |
17.10 MB/s |
Baseline |
2 TB WD My Passport |
USB 2.0 |
15.83 MB/s |
14.85 MB/s |
15.34 MB/s |
- 10.3% |
1 TB Seagate Backup Plus |
USB 2.0 |
16.00 MB/s |
14.24 MB/s |
15.15 MB/s |
- 11.6% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
16.40 MB/s |
13.46 MB/s |
14.93 MB/s |
- 12.7% |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
16.09 MB/s |
13.03 MB/s |
14.56 MB/s |
- 14.8% |
1.5 TB Seagate FreeAgent GoFlex |
USB 2.0 |
13.62 MB/s |
13.35 MB/s |
13.49 MB/s |
- 21.1% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
13.26 MB/s |
13.59 MB/s |
13.43 MB/s |
- 21.4% |
When it came to large 512 KB random accesses, the 1 TB Seagate Backup Plus drive was the second-fastest HDD-based portable drive, incoming in right behind the 2 TB Western Digital My Passport. Although it was as fast as the Western Digital drive in reads, it was slightly slower in writes.
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