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IO Meter - 4 KB Sequential Access Performance
External Drives |
Interface |
Read Speed |
Write Speed |
Average |
Difference |
64 GB OCZ Enyo |
USB 3.0 |
33.81 MB/s |
39.51 MB/s |
36.66 MB/s |
+ 11.7% |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
31.18 MB/s |
34.44 MB/s |
32.81 MB/s |
Baseline |
500 GB WD My Passport Essential |
USB 3.0 |
24.78 MB/s |
29.93 MB/s |
27.36 MB/s |
- 16.6% |
16 GB Kingston DT Ultimate 3.0 |
USB 3.0 |
23.61 MB/s |
30.62 MB/s |
27.12 MB/s |
- 17.4% |
500 GB Seagate FreeAgent GoFlex |
USB 3.0 |
24.37 MB/s |
28.08 MB/s |
26.23 MB/s |
- 20.1% |
64 GB OCZ Enyo |
USB 2.0 |
8.19 MB/s |
8.19 MB/s |
8.19 MB/s |
- 75.0% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
8.18 MB/s |
8.18 MB/s |
8.18 MB/s |
- 75.1% |
500 GB Seagate FreeAgent GoFlex |
USB 2.0 |
7.68 MB/s |
7.77 MB/s |
7.73 MB/s |
- 76.5% |
500 GB WD My Passport Essential |
USB 2.0 |
7.77 MB/s |
7.64 MB/s |
7.71 MB/s |
- 76.5% |
16 GB Kingston DT Ultimate 3.0 |
USB 2.0 |
7.44 MB/s |
7.65 MB/s |
7.50 MB/s |
- 77.0% |
This is one of the two most important tests for the 1 TB Seagate FreeAgent GoFlex as this shows how fast it is at transferring small files. The 1 TB Seagate FreeAgent GoFlex was very fast at small 4 KB sequential accesses. In fact, it was just a little slower than the flash-based 64 GB OCZ Enyo. When used with a USB 2.0 port, the performance gap disappeared - the 1 TB FreeAgent GoFlex was as fast as the OCZ Enyo.
IO Meter - 512 KB Sequential Access Performance
External Drives |
Interface |
Read Speed |
Write Speed |
Average |
Difference |
64 GB OCZ Enyo |
USB 3.0 |
188.87 MB/s |
106.26 MB/s |
147.57 MB/s |
+ 70.5% |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
86.62 MB/s |
86.47 MB/s |
86.55 MB/s |
Baseline |
500 GB Seagate FreeAgent GoFlex |
USB 3.0 |
81.45 MB/s |
80.94 MB/s |
81.20 MB/s |
- 6.2% |
16 GB Kingston DT Ultimate 3.0 |
USB 3.0 |
91.32 MB/s |
66.58 MB/s |
78.95 MB/s |
- 8.8% |
500 GB WD My Passport Essential |
USB 3.0 |
63.30 MB/s |
62.16 MB/s |
62.73 MB/s |
- 27.5% |
64 GB OCZ Enyo |
USB 2.0 |
36.70 MB/s |
30.91 MB/s |
33.81 MB/s |
- 60.9% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
36.67 MB/s |
30.67 MB/s |
33.67 MB/s |
- 61.1% |
500 GB Seagate FreeAgent GoFlex |
USB 2.0 |
35.44 MB/s |
29.25 MB/s |
32.35 MB/s |
- 62.6% |
500 GB WD My Passport Essential |
USB 2.0 |
34.93 MB/s |
28.51 MB/s |
31.72 MB/s |
- 63.3% |
16 GB Kingston DT Ultimate 3.0 |
USB 2.0 |
33.34 MB/s |
26.86 MB/s |
30.10 MB/s |
- 65.2% |
This is one of the two most important tests for the 1 TB Seagate FreeAgent GoFlex as this shows how fast it is at transferring large files. Again, the 1 TB FreeAgent GoFlex proved to be a very fast drive, albeit still significantly slower than the 64 GB OCZ Enyo. It really pays to pair it with the USB 3.0 adaptor - it is more than 2.5x faster in USB 3.0 mode than it is in the standard USB 2.0 mode.
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