# Technical details

Here are some of the technical details regarding the boards:

- ATSAMD21E18A 32-bit Cortex-M0+ running at 48MHz
- 256KB flash and 32KB RAM
- 4MB Flash for storing files and CircuitPython code
- 6 highly customizable GPIOs
- 250mA LDO
- 3.3V logic and power
- Powered either from USB or external source
- User-controlled RGB LED
- Mounting holes on the Serpente Type-C board