Raspberry Pi 3 Model A+

1.4GHz 64-bit quad-core processor, dual-band wireless LAN, Bluetooth 4.2/BLE in the same mechanical format as the Raspberry Pi 1 Model A+

The Raspberry Pi 3 Model A+ extends the Raspberry Pi 3 range into the A+ board format.

Broadcom BCM2837B0, Cortex-A53 (ARMv8) 64-bit SoC @ 1.4GHz
512MB LPDDR2 SDRAM
2.4GHz and 5GHz IEEE 802.11.b/g/n/ac wireless LAN, Bluetooth 4.2/BLE
Extended 40-pin GPIO header
Full-size HDMI
Single USB 2.0 ports
CSI camera port for connecting a Raspberry Pi Camera Module
DSI display port for connecting a Raspberry Pi Touch Display
4-pole stereo output and composite video port
Micro SD port for loading your operating system and storing data
5V/2.5A DC power input