Accessory Port Layout and Performance
The left side, from back to front, features the power port, one USB 3.0 port and the power button.
The right side, from back to front, features one USB 3.0 port, headphone jack and microSD card reader. A mini HDMI port is present on the back of the system (not pictured).
The Acer Aspire S7-191 does not feature any USB 2.0 ports, thus testing was unable to be run.
In terms of USB 3.0 read performance, the Aspire S7-191 is towards the bottom of the stack. It turns out a decent 104.8MB/s, which is 12MB/s slower than the top system.
In terms of USB 3.0 write performance, the Aspire S7-191 continues to be towards the back of the pack, managing a write speed of 127MB/s. This puts it ahead of two systems that didn't even break into the 100MB/s category.
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