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RADXA Zero is an Amlogic S905Y2 64bit quad-core based Mini SBC in the same form factor as the Raspberry Pi Zero, but with much, much more power. It has quad-core power with up to 4GB LPDDR4 RAM that has similar dimensions to a USB stick.


  • CPU: Amlogic S905Y2 64bit quad core processor Quad Cortex-A53, 1.8GHz, 12nm
  • GPU: Mali G31 MP2 GPU, supports OpenGL ES 1.1 /2.0 /3.1 /3.2, Vulkan 1.1, Open CL 1.1 1.2, 2.0 Full Profile
  • Memory: LPDDR4 64bit dual channel LPDDR4@3200Mb/s, 1/2/4GB
  • Storage: eMMC 5.1 soldered high performance eMMC 5.1 with capacities of 8/16/32/64/128GB (depending on model)
  • MicroSD card: microSD slot supports up to 128GB
  • Video Decoding: HD codec H265/VP9 decode 4Kx2K@60
  • Display Micro HDMI: HDMI 2.1, 4K@60 HDR
  • Wifi/BT Antenna: Wifi/BT On Board
  • WIFI4/BLE4 for 512MB and 1GB models
  • WIFI5/BLE5 for 2GB and 4GB models
  • USB:
    • 3.0 Type-C HOST x1 dedicated USB3.0 channel
    • 2.0 Type-C OTG x1
  • Network (depending on the model):
    • Wireless 802.11 abgn wifi 2,4GHz, Bluetooth 4.2
    • Wireless 802.11 ac wifi 2,4/5GHz, Bluetooth 5.0
  • IO 40-pin expansion header:
    • 1 x UART
    • 2 x SPI bus
    • 2 x I2C bus
    • 1 x PCM/I2S
    • 1 x SPDIF
    • 1 x PWM
    • 1 x ADC
    • 6 x GPIO
    • 2 x 5V DC power in
    • 2 x 3.3V power in
  • Crypto Engine
  • One button
  • Size: 66 x 30 mm


To operate you will need:

  • RADXA Zero (this item)
  • Power adapter with USB type C port equal or larger than 5W
  • MicroSD Card or onboard eMMC module
  • Keyboard & Mouse
  • Monitor with HDMI input
  • microHDMI to HDMI cable


Warranty is valid for a year, starting upon date of receipt.

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Customer Reviews

Based on 9 reviews
Missing switch

When I got around to a project with this board it was missing the SY6280AAC low loss power distribution switch. Meaning the otg usb-c was dead. I missed the warranty period. Ameridroid great. Radxa bad.

Great little board

When I originally ordered my Zero it arrived and was bricked. I contacted Ameridroid and they refunded me and I ordered again. The second time the device was just fine, I installed DietPi on it. I'm using a 1GB device with no eMMC. It works great as a combined PiHole and PiVPN server. It's functioned great in this capacity for nearly a year without issue.

Great board for serial USB projects.

Great board but, has limited hardware support and it's SPI implementation is flawed, it's 8 bits instead of 16.

Kevin K
Great little HomeAssistant board or general purpose tinkering

Bought this guy with the intention of making into a mini-home server, mainly for Home Assistant, which worked well, I went through Radxa's wiki articles to install Armbian then HA on top of that and it all went pretty smooth, mostly just some small bugs to work around that I could easily google.
Then I got bored and opted to expand the scope and turn it into a proxmox server to run some other services like a fileshare and openthread, which it still works fine for but running into a couple of small issues that are more annoying than gamebreaking.
Now both Armbian and DietPi have official support for the Radxa Zero which should make things easier.

Sips power
Moderately developed platform (Linux mainline kernel added support for this recently)
Great amount of processing power for the size and wattage
Can be powered by any USB charger, and the USB 3 port *does* support USB PD input, but it seems to do so only after it's turned on, and I haven't figured out a way to turn it on without plugging in the OTG power.
eMMC has better longevity than microSD

Not really any good case options, PiZero cases mostly work but not entirely.
Needs an adapter for microHDMI port, wish it could send display over USB-C.

Only 4GB of RAM, I know it's a platform limit but more would still be nice.
Have been having some odd issues where it doesn't boot properly and not sure why, wondering if it's dropping to bootloader for some reason, might be my fault somehow.

Bought the 4GB 32GB eMMC model - works well!

While I'm not fond of the version of Android that comes default on the Radxa Zero, it's easy enough to reimage it. During testing with a USB-C hub and the WiFi connected, a couple of times during boot it exceeded 500mA at 5VDC. But most of the time during operation, it consumed 300-450mA. It seems to be stable and efficient. It is by far the fastest Zero-sized SBC I've ever tried.