Expansion
• Card reader*
• Memory slots
• M.2 solid-state drive slot
• Optical drive*
• PCI Express x1 card slot
• PCI Express x16 graphics card slot
• PCI Express card slot (physical link width x16; negotiable link width x4, x1)*
• Storage drive bay
Network features
• Bluetooth*
• Ethernet LAN
• Wireless LAN*
* for selected models
Statement on USB transfer rate
Depending on many factors such as the processing capability of the host and peripheral devices, file
attributes, and other factors related to system configuration and operating environments, the actual transfer
rate using the various USB connectors on this device will vary and will be slower than the data rate listed
below for each corresponding device.
USB device Data rate (Gbit/s)
3.2 Gen 1 / 3.1 Gen 1
5
3.2 Gen 2 / 3.1 Gen 2
10
3.2 Gen 2 × 2
20
8 M70t and M80t User Guide
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