# Prime_E ![Prime_E](https://imgur.com/7Rl4JOA.jpg) An ergonomic 45%. *Keyboard Maintainer: [Holtenc](https://github.com/holtenc/) *Hardware Supported: * [Prime_E Standard](std/) PCBs, ATmega32u4 (in switch LED backlights) * [Prime_E RGB](rgb/) PCBs, Atmega32u4 (RGB underglow) *Hardware Availability: [Store Link](https://www.primekb.com) Make example for this keyboard (after setting up your build environment): *make primekb/prime_e/std:default *make primekb/prime_e/rgb:default *make primekb/prime_e/std:via *make primekb/prime_e/rgb:via See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).