- Raspberry PI A+
Model A+ is the lower-spec variant of the Raspberry Pi. It replaced the original Raspberry Pi 1 Model A in February 2014.

- Raspberry PI B+
Model B+ is the higher-spec variant of Raspberry Pi 1, It replaced the original Raspberry Pi 1 Model B in July 2014.

- Raspberry PI 2B
Model 2B is the second generation Raspberry Pi. It replaced the original Raspberry Pi 1 Model B+ in February 2015.

- Raspberry PI 3B
Model 3 is the third generation Raspberry Pi. It replaced the Raspberry Pi 2 Model B in February 2016.

- Raspberry PI 3B+
Model 3 is the new generation of the Raspberry Pi. It replaced the Raspberry Pi 3 Model B in March 2018.

- Raspberry PI 4B
Model 4 is the latest generation of the Raspberry Pi. It replaced the Raspberry Pi 3 Model B+ in JuneĀ 2019.

- Raspberry PI Zero
Model Zero is half the size of a Model A+, with twice the utility. Launched in November 2015.

- Raspberry PI ZeroW
Model ZeroW extends the Pi Zero family about wireless technology. Launched at the end of February 2017.

- Comparison RPI
Comparison of the most popular versions of Raspberry Pi.