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After launching the Asus Tinker Board 3N single-board computer last summer, Asus is expanding this line of 100mm x 100mm (3.9″ x 3.9″) PCs with Rockchip RK3568 processors.

The new Asus Tinker Board 3N Plus and Asus Tinker Board 3N Lite are the same size and shape as the original, but have key differences in their I/O options.

Asus Tinker Board 3N/3N Plus

The biggest differences I can find are that the Tinker Board 3N Lite sacrifices a few expansion options like an M.2 B Key connector for PCIe 3.0 SSDs or wireless modules, while the Tinker Board 3N Plus is designed for use in more extreme environments thanks to support for significantly colder or hotter operating environments.

The Lite model also has a single Gigabit Ethernet port, while the other models each have two.

List prices range from around $170 to $279 at Amazon, although there are currently 10% off coupons for the higher-priced configurations that make the difference between the Tinker Board 3N and 3N Lite pretty negligible.

As LinuxGizmos noticed, some models are cheaper at Rutronik24, but the Tinker Board 3N Plus is on backorder at that store.

Here’s an overview of key specs for each of the Tinker Board 3N series devices:

Tinker Board 3N LiteTinker Board 3NTinker Board 3N Plus
ProcessorRockchip RK3568
4 x ARM Cortex-A55 CPU cores @ 2 GHz
ARM Mali-G52 graphics
NPU with  TOPS AI performance
Memory2GB / 4GB / 8GB
LPDDR4x
Dual channel
2GB / 4GB
LPDDR4XDual Channel
Storagenone / 32GB / 64GB (eMMC)
microSD card reader
none / 32GB / 64GB (eMMC)
microSD card reader
16MB SPI Flash
M.2 E Key 2230PCIe 2.0 x1, USB 2.0
WiFi 5 or WiFi 6 & BT
M.2 B Key 3042 / 3052PCIe 3.0 x1, USB 2.0
4G or 5G module or SSD or SIM
USB1 x USB 3.2 Gen 1 Type-C OTG
2 x USB 3.2 Gen 1 Type-A2
2 x USB 2.0 pin headers
Audio & Video 1 x HDMI
1 x LCDS (dual-link)
1 x eDP
1 x 3.5mm audio
1 x stereo speaker pin header (4 ohm, 3W)
Ethernet1 x Gigabit Ethernet (RTL8211F/FI)2 x Gigabit Ethernet (RTL8211F/FI)
25W PoE supported (w/PoE module purcahsed separately)
COM 1 x COM 232 x1 PIN header with flow control
1 x COM 232/422/485 x1 Pin header
2 x COM 232 x1 PIN header with flow control
1 x COM 232/422/485 x1 Pin header
CAN Bus 2.0B FDx1 Pin header
Internal Headers1 x 40-pin LVDS + eDP connector
1 x 5V Panel Backlight & Control header
1 x IR Receiver header
1 x 14-pin GPIO headers includes:
– 1 x GND
– 1 x I2C bus
– 1 up to 2 x UART
– up to 1 x SPI bus (2 select)
– up to 1 x SPDIF
– up to 4 x PWM
– 2 x ADC (8 bit)

1 x 2-pin Recovery header
1 x 4-pin Power-on & Reset header
1 x 3-pin Debug UART header
1 x 4-pin DC Fan header
1 x 2-pin RTC Battery header

Power Connector1 x DC power input jack
1 x 4-pin power input header
OS supportDebian 11 / Android 12 / Yocto
Dimensions100 x 100mm
3.9″ x 3.9″
Operation temperature-0℃ ~ 60℃-40℃ ~ 85℃
Price$170 (Amazon)$199 (Amazon)$279 (Amazon)

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  1. I get it, you’re probably getting higher quality and better / longer support from a large established brand like Asus, but for the price (or only very slightly more) I really think they should be able to offer something with a higher performance SOC like the RK3588.

  2. Even at half the price…I’d pass. These arm SBC’s have pricing control issues. WAY too many alternatives to this e-waste to justify the cost. I can set up something 25x more powerful for less than half the cost…doesn’t make sense anymore.

  3. As cool as these are, when compared to the competition they fall short with price. BananaPI comes to mind as particular competition and far less expensive. Not sure popular these boards will really be at the price point.