a model of the Raspberry 1 (released 2012), without onboard ethernet and only one USB port.
Model A:
- BCM2835 SoC (Single ARMv6 CPU and VideoCore IV GPU)
- HDMI out (HD video and audio)
- GPIOs
- SD card slot for boot partition
- 3.5mm audio out
- micro USB 5V powered
- Composite video out
- 1 USB port
- 256 MB RAM
- NO Ethernet port
- lower power consumption than model B
