NUSANET88 Many computers come with one preinstalled, but they can also be purchased relatively inexpensively and self-installed or simply inserted into a slot on the side of the computer. It features a Mali T-722 GPU, two or three gigabytes of RAM, two USB 2.0 and one USB 3.0 ports, one HDMI 2.0 port, onboard 802.11n Wi-Fi, a Gigabit Ethernet port, a microSD slot and several other peripheral ports. It allows hands-free radio communications within the suit. It allows for communication and for monitoring of the astronaut's vital signs (respiration rate, heart rate, temperature, etc.). It contains microphones and speakers for use with the radio. It provides connections to the radio and bioinstruments in the suit's backpack. The LTA is a one-piece unit that contains the lower half of the EMU, including pants, knee and ankle joints, boots and lower waist.|Do you Need an Optical Drive?