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IO Meter
In these tests, we compared the performance of Seagate FreeAgent GoFlex 500 GB with its standard USB 2.0 adaptor against the performance of the drive with the USB 3.0 adaptor upgrade.
Throughput (Random Access)
Test |
USB 3.0 |
USB 2.0 |
Difference |
512 KB Read |
18.35 MB/s |
14.83 MB/s |
+ 23.7% |
512 KB Write |
21.41 MB/s |
22.30 MB/s |
- 4.0% |
4 KB Read |
0.19 MB/s |
0.21 MB/s |
- 9.5% |
4 KB Write |
0.41 MB/s |
0.41 MB/s |
- |
Random Access Time
Test |
USB 3.0 |
USB 2.0 |
Difference |
512 KB Read |
27.24 ms |
33.70 ms |
- 19.2% |
512 KB Write |
23.32 ms |
22.41 ms |
+ 4.1% |
4 KB Read |
20.17 ms |
18.92 ms |
+ 6.6% |
4 KB Write |
9.49 ms |
9.51 ms |
- 0.2% |
CPU Utilization (Random Access)
Test |
USB 3.0 |
USB 2.0 |
Difference |
512 KB Read |
0.28% |
0.43% |
- 34.9% |
512 KB Write |
0.39% |
0.79% |
- 50.6% |
4 KB Read |
0.11% |
0.40% |
- 72.5% |
4 KB Write |
0.20% |
0.25% |
- 20.0% |
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• Overview |
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• The 500 GB FreeAgent GoFlex |
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<<< WinBench 99 Test Results, Transfer Rate Range : Previous Page | Next Page : IO Meter Sequential Access Performance >>>
