An expansion slot recognizes Type II PC cards and the latest ExpressCards; there’s also an SD card slot. A built-in DVD burner sits along the right side of the case.
Communications options include modem, Ethernet, 802.11a/b/g Wi-Fi, and Bluetooth 2.0+EDR; a handy hardware switch lets you quickly turn the wireless radios on and off.
The M5 includes Trusted Platform Module technology, which secures data at the hardware level.