The PYNQ-Z2 has a Zynq XC7Z020-1CLG400C, 512MB DDR3, 1G Ethernet, USB 2.0, MicroSD, Uart, Microphone, 3.5mm mono audio output jack, 2x HDMI that can be used as input/output, 4 push-buttons, 2 slide switches, 4 LEDs, 2 RGB LEDs, 2x Pmod ports, and 1x Arduino header and 1x RaspberryPi header. Note that 8 pins of the RaspberryPi header are shared with one of the Pmod ports.
For details on the PYNQ-Z2 board including reference manual, schematics, constraints file (xdc), see the PYNQ-Z2 webpage
The following overlays are include by default in the PYNQ image for the PYNQ-Z2 board:
Other third party overlays may also be available for this board. See the PYNQ community webpage for details of third party overlays and other resources.