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IO Meter - 4 KB Random Access Performance
External Drives |
Interface |
Read Speed |
Write Speed |
Average |
Difference |
1 TB WD My Passport Slim |
USB 3.0 |
0.25 MB/s |
0.23 MB/s |
0.24 MB/s |
+ 11.6% |
1 TB WD My Passport Slim |
USB 2.0 |
0.24 MB/s |
0.23 MB/s |
0.24 MB/s |
+ 9.3% |
2 TB WD My Passport |
USB 3.0 |
0.23 MB/s |
0.20 MB/s |
0.22 MB/s |
Baseline |
2 TB WD My Passport |
USB 3.0 |
0.23 MB/s |
0.19 MB/s |
0.21 MB/s |
- 2.3% |
2 TB WD My Passport |
USB 2.0 |
0.23 MB/s |
0.19 MB/s |
0.21 MB/s |
- 2.3% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
0.17 MB/s |
0.16 MB/s |
0.17 MB/s |
- 23.3% |
1.5 TB Seagate FreeAgent GoFlex |
USB 2.0 |
0.17 MB/s |
0.15 MB/s |
0.16 MB/s |
- 25.6% |
1 TB WD Elements |
USB 3.0 |
0.21 MB/s |
0.09 MB/s |
0.15 MB/s |
- 30.2% |
1 TB WD Elements |
USB 2.0 |
0.21 MB/s |
0.09 MB/s |
0.15 MB/s |
- 30.2% |
This is the most important test for those who intend to use the 2 TB Western Digital My Passport Ultra Metal / Anniversary Edition as a portable boot drive. In this small random access test, it performed about as well as the 2 TB Western Digital My Passport but was quite a bit slower than the 1 TB Western Digital My Passport Slim!
IO Meter - 512 KB Random Access Performance
External Drives |
Interface |
Read Speed |
Write Speed |
Average |
Difference |
1 TB WD My Passport Slim |
USB 3.0 |
21.21 MB/s |
16.76 MB/s |
18.99 MB/s |
+ 4.4% |
2 TB WD My Passport |
USB 3.0 |
21.25 MB/s |
15.11 MB/s |
18.18 MB/s |
Baseline |
2 TB WD My Passport |
USB 3.0 |
21.03 MB/s |
14.91 MB/s |
17.97 MB/s |
- 1.2% |
1 TB WD My Passport Slim |
USB 2.0 |
16.08 MB/s |
16.42 MB/s |
16.25 MB/s |
- 10.6% |
2 TB WD My Passport |
USB 2.0 |
15.83 MB/s |
14.85 MB/s |
15.34 MB/s |
- 15.6% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
16.40 MB/s |
13.46 MB/s |
14.93 MB/s |
- 17.9% |
1.5 TB Seagate FreeAgent GoFlex |
USB 2.0 |
13.62 MB/s |
13.35 MB/s |
13.49 MB/s |
- 25.8% |
1 TB WD Elements |
USB 3.0 |
14.11 MB/s |
8.11 MB/s |
11.11 MB/s |
- 38.9% |
1 TB WD Elements |
USB 2.0 |
13.51 MB/s |
8.06 MB/s |
10.79 MB/s |
- 40.7% |
When it came to large 512 KB random accesses, the 2 TB Western Digital My Passport Ultra Metal / Anniversary Edition was roughly as fast as the 2 TB Western Digital My Passport, coming in slightly faster than the 1 TB Western Digital My Passport Slim in reads, but 10% slower in writes.
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 |
+ 9.2% |
1 TB WD My Passport Slim |
USB 3.0 |
35.84 MB/s |
33.52 MB/s |
34.68 MB/s |
+ 3.2% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
31.25 MB/s |
37.13 MB/s |
34.19 MB/s |
+ 1.7% |
2 TB WD My Passport |
USB 3.0 |
37.61 MB/s |
29.61 MB/s |
33.61 MB/s |
Baseline |
1 TB WD Elements |
USB 3.0 |
14.73 MB/s |
15.56 MB/s |
15.15 MB/s |
- 54.9% |
1.5 TB Seagate FreeAgent GoFlex |
USB 2.0 |
8.18 MB/s |
8.18 MB/s |
8.18 MB/s |
- 75.7% |
2 TB WD My Passport |
USB 2.0 |
8.16 MB/s |
8.13 MB/s |
8.15 MB/s |
- 75.8% |
1 TB WD My Passport Slim |
USB 2.0 |
8.10 MB/s |
8.06 MB/s |
8.08 MB/s |
- 76.0% |
1 TB WD Elements |
USB 2.0 |
8.05 MB/s |
7.95 MB/s |
8.00 MB/s |
- 76.2% |
This is one of the two most important tests for the 2 TB Western Digital My Passport Ultra Metal / Anniversary Edition as this shows how fast it is at transferring small files. It was actually the fastest in small reads, coming in 11% faster than the 1 TB Western Digital My Passport Slim. Unfortunately, it was significantly slower in writes, which dragged down its average throughput.
IO Meter - 512 KB Sequential Access Performance
External Drives |
Interface |
Read Speed |
Write Speed |
Average |
Difference |
2 TB WD My Passport |
USB 3.0 |
113.67 MB/s |
113.70 MB/s |
113.69 MB/s |
Baseline |
2 TB WD My Passport |
USB 3.0 |
110.19 MB/s |
109.30 MB/s |
109.75 MB/s |
- 3.5% |
1 TB WD My Passport Slim |
USB 3.0 |
109.10 MB/s |
108.75 MB/s |
108.93 MB/s |
- 4.2% |
1.5 TB Seagate FreeAgent GoFlex |
USB 3.0 |
98.18 MB/s |
97.84 MB/s |
98.01 MB/s |
- 13.8% |
1 TB WD Elements |
USB 3.0 |
35.64 MB/s |
37.84 MB/s |
36.74 MB/s |
- 67.7% |
2 TB WD My Passport |
USB 2.0 |
36.17 MB/s |
32.28 MB/s |
34.23 MB/s |
- 69.9% |
1.5 TB Seagate FreeAgent GoFlex |
USB 2.0 |
36.84 MB/s |
30.68 MB/s |
33.76 MB/s |
- 70.3% |
1 TB WD My Passport Slim |
USB 2.0 |
34.77 MB/s |
29.98 MB/s |
32.38 MB/s |
- 71.5% |
1 TB WD Elements |
USB 2.0 |
30.54 MB/s |
27.00 MB/s |
28.77 MB/s |
- 74.7% |
This is one of the two most important tests for the 2 TB Western Digital My Passport Ultra Metal / Anniversary Edition as this shows how fast it is at transferring large files. In this aspect, the My Passport Ultra Metal / Anniversary Edition was the indisputable champion, edging out the 2 TB Western Digital My Passport and the 1 TB Western Digital My Passport Slim, which are both very fast drives. It is 3x faster than their much cheaper, "commoditized" WD Elements drive. You do get what you pay for when you buy these faster drives!
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• A Closer Look, Hardware Encryption |
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• IO Meter Random Access Performance |
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