Which Raspberry Pi do I have?

Run

grep Revision /proc/cpuinfo

and look it up on https://elinux.org/RPi_HardwareHistory. | Revision | Release Date | Model | PCB Revision | Memory | | -------- | ------------ | ------------------------------- | ------------ | --------------- | | Beta | Q1 2012 | B (Beta) | ? | 256 MB | | 0002 | Q1 2012 | B | 1.0 | 256 MB | | 0003 | Q3 2012 | B (ECN0001) | 1.0 | 256 MB | | 0004 | Q3 2012 | B | 2.0 | 256 MB | | 0005 | Q4 2012 | B | 2.0 | 256 MB | | 0006 | Q4 2012 | B | 2.0 | 256 MB | | 0007 | Q1 2013 | A | 2.0 | 256 MB | | 0008 | Q1 2013 | A | 2.0 | 256 MB | | 0009 | Q1 2013 | A | 2.0 | 256 MB | | 000d | Q4 2012 | B | 2.0 | 512 MB | | 000e | Q4 2012 | B | 2.0 | 512 MB | | 000f | Q4 2012 | B | 2.0 | 512 MB | | 0010 | Q3 2014 | B+ | 1.0 | 512 MB | | 0011 | Q2 2014 | Compute Module 1 | 1.0 | 512 MB | | 0012 | Q4 2014 | A+ | 1.1 | 256 MB | | 0013 | Q1 2015 | B+ | 1.2 | 512 MB | | 0014 | Q2 2014 | Compute Module 1 | 1.0 | 512 MB | | 0015 | ? | A+ | 1.1 | 256 MB / 512 MB | | a01040 | Unknown | 2 Model B | 1.0 | 1 GB | | a01041 | Q1 2015 | 2 Model B | 1.1 | 1 GB | | a21041 | Q1 2015 | 2 Model B | 1.1 | 1 GB | | a22042 | Q3 2016 | 2 Model B (with BCM2837) | 1.2 | 1 GB | | 900021 | Q3 2016 | A+ | 1.1 | 512 MB | | 900032 | Q2 2016? | B+ | 1.2 | 512 MB | | 900092 | Q4 2015 | Zero | 1.2 | 512 MB | | 900093 | Q2 2016 | Zero | 1.3 | 512 MB | | 920093 | Q4 2016? | Zero | 1.3 | 512 MB | | 9000c1 | Q1 2017 | Zero W | 1.1 | 512 MB | | a02082 | Q1 2016 | 3 Model B | 1.2 | 1 GB | | a020a0 | Q1 2017 | Compute Module 3 (and CM3 Lite) | 1.0 | 1 GB | | a22082 | Q1 2016 | 3 Model B | 1.2 | 1 GB | | a32082 | Q4 2016 | 3 Model B | 1.2 | 1 GB | | a020d3 | Q1 2018 | 3 Model B+ | 1.3 | 1 GB | | 9020e0 | Q4 2018 | 3 Model A+ | 1.0 | 512 MB | | a02100 | Q1 2019 | Compute Module 3+ | 1.0 | 1 GB | | a03111 | Q2 2019 | 4 Model B | 1.1 | 1 GB | | b03111 | Q2 2019 | 4 Model B | 1.1 | 2 GB | | c03111 | Q2 2019 | 4 Model B | 1.1 | 4 GB |