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USB and SATA
In the past testing USB and SATA was a lot more important because a lot of the boards used different controllers but with Z170 the built in Intel controllers for both are top notch so the differences between the boards are minimal at best. The Gaming 5 was within a few MB/s compared to all of the Z170 boards I tested. In USB 3.0 testing the results were similar with the Gaming 5 actually being the fastest out of the bunch with the exception of when using USB 3.1 Boost on the MSI board.
| SATA3 | Read Speed |
| MSI Z170A Gaming M5 | 435.6 |
| Gigabyte Z170X Gaming 7 | 442.8 |
| MSI Z170I Gaming Pro AC | 444.4 |
| Gigabyte Z170N-Gaming 5 | 438.2 |
| USB 3.1 | Read Speed |
| MSI Z170A Gaming M5 | 220.3 |
| Gigabyte Z170X Gaming 7 | 251.5 |
| MSI Z170I Gaming Pro AC |
251.3 280.9 w/USB 3.1 Boost |
| Gigabyte Z170N-Gaming 5 | 254.6 |
