The Raspberry Pi 3 Model A+ was introduced in 2018 and extends the Raspberry Pi 3 series into the smaller, "A" format.  This board includes the 1.4GHz CPU and 512MB of RAM.  As with the other 3-series boards, it includes wireless and Bluetooth connectivity.

Raspberry Pi 3 Model A+ Key Features:

• Broadcom BCM2837B0, Cortex-A53 64-bit SoC clocked at 1.4 GHz
• 512MB onboard LPDDR SDRAM
• Includes 2.4GHz and 5GHz 802.11 b/g/n/ac wireless connectivity
• Also includes Bluetooth 4.2 / Bluetooth Low Energy wireless connectivity
• 40-pin GPIO header for HATs and other peripherals
• Includes full-size HDMI as well as camera port, display port, audio and composite video output ports
• GPU supports H.264, MPEG-4 (1080p/30fps) decoding and H.264 (1080p / 30fps) video encoding
• Power may be supplied through the micro USB port, or through the GPIO header
• Includes micro SD slot