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Radxa

Radxa Zero 3W (RK3566 Pi Zero Alternative)

Pi Zero 2 W-sized SBC on the Rockchip RK3566 quad A55 - up to 8 GB LPDDR4 and 64 GB optional eMMC with Pi-compatible 40-pin GPIO.

Single-board computer on a developer workbench representing the Radxa Zero 3W form factor
Rob
By Rob1 min read
SoC
Rockchip RK3566 - quad-core Cortex-A55 @ up to 1.6 GHz
GPU
Mali-G52 2EE (OpenGL ES 3.2 / Vulkan 1.1)
RAM
1 / 2 / 4 / 8 GB LPDDR4 (choose at purchase, not user-upgradable)
Onboard storage
Optional 0 / 8 / 16 / 32 / 64 GB eMMC (factory-soldered)
External storage
microSD slot (UHS-I)
Wireless
Wi-Fi 5 (802.11ac dual-band), Bluetooth 5.0
Video out
Mini-HDMI up to 1080p60
USB
1× USB 3.0 (Type-C, data only) + 1× USB 2.0 OTG (Type-C, data + power)
Ethernet
None onboard - USB-to-Ethernet adapter or a Radxa expansion HAT required
GPIO
40-pin header, Raspberry Pi-compatible pinout
Form factor
65 × 30 mm - matches the Raspberry Pi Zero 2 W
Operating systems
Debian, Ubuntu, Armbian, Radxa OS (vendor-maintained)