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IO Meter - 4 KB Sequential Access Performance
External Drives |
Interface |
Read Speed |
Write Speed |
Average |
Difference |
2 TB WD My Passport |
USB 3.0 |
33.84 MB/s |
39.54 MB/s |
36.69 MB/s |
Baseline |
64 GB OCZ Enyo |
USB 3.0 |
33.81 MB/s |
39.51 MB/s |
36.66 MB/s |
- 0.1% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
31.25 MB/s |
37.13 MB/s |
34.19 MB/s |
- 6.8% |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
31.18 MB/s |
34.44 MB/s |
32.81 MB/s |
- 10.6% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 3.0 |
34.25 MB/s |
2.36 MB/s |
18.31 MB/s |
- 50.1% |
64 GB OCZ Enyo |
USB 2.0 |
8.19 MB/s |
8.19 MB/s |
8.19 MB/s |
- 77.7% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
8.18 MB/s |
8.18 MB/s |
8.18 MB/s |
- 77.7% |
1.5 TB Seagate FreeAgent GoFlex |
USB 2.0 |
8.18 MB/s |
8.18 MB/s |
8.18 MB/s |
- 77.7% |
2 TB WD My Passport |
USB 2.0 |
8.16 MB/s |
8.13 MB/s |
8.15 MB/s |
- 77.8% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 2.0 |
8.16 MB/s |
1.93 MB/s |
5.05 MB/s |
- 86.2% |
This is one of the two most important tests for the 2 TB WD My Passport as this shows how fast it is at transferring small files. The 2 TB My Passport was the fastest drive at small 4 KB sequential accesses, beating even flash-based drives like the 64 GB OCZ Enyo. When used with a USB 2.0 port though, the performance gap disappeared - the 2 TB My Passport performed pretty much like the other drives.
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 |
+ 34.5% |
2 TB WD My Passport |
USB 3.0 |
110.19 MB/s |
109.30 MB/s |
109.75 MB/s |
Baseline |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 3.0 |
126.26 MB/s |
74.50 MB/s |
100.38 MB/s |
- 8.5% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
98.18 MB/s |
97.84 MB/s |
98.01 MB/s |
- 10.7% |
1 TB Seagate FreeAgent GoFlex |
USB 3.0 |
86.62 MB/s |
86.47 MB/s |
86.55 MB/s |
- 21.1% |
2 TB WD My Passport |
USB 2.0 |
36.17 MB/s |
32.28 MB/s |
34.23 MB/s |
- 68.8% |
64 GB OCZ Enyo |
USB 2.0 |
36.70 MB/s |
30.91 MB/s |
33.81 MB/s |
- 69.2% |
1.5 TB Seagate FreeAgent GoFlex |
USB 2.0 |
36.84 MB/s |
30.68 MB/s |
33.76 MB/s |
- 69.2% |
1 TB Seagate FreeAgent GoFlex |
USB 2.0 |
36.67 MB/s |
30.67 MB/s |
33.67 MB/s |
- 69.3% |
32 GB Kingston DT Ultimate 3.0 G2 |
USB 2.0 |
33.34 MB/s |
26.86 MB/s |
30.10 MB/s |
- 70.0% |
This is one of the two most important tests for the 2 TB WD My Passport as this shows how fast it is at transferring large files. Again, the 2 TB My Pasport proved to be a very fast drive, albeit about 1/3 slower than the 64 GB OCZ Enyo. It really pays to use it with a USB 3.0 port - it is 3.2x faster in the standard USB 3.0 mode than it is in the fallback USB 2.0 mode.
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