Radxa Heatsink for X4
Specifications
- Compatible model: Radxa X4
- Material: aluminum alloy case
- Overall dimensions: 97 x 75 x 72 mm
- Fan speed: 4000rpm ± 10%
- Fan connector: 2-pin 1.25mm pitch connector
- Power input: 5V DC
Package List

- Heatsink Assembly
- Heatsink Bracket
- 4x CM2.5 x 3 Screws
- 4x M2.5 x 3 + 3 Copper Pillars (pre-installed in Heatsink)
- 6x KM2 x 4 x 3.5 Screws
- Non-slip round silicone pads, two pieces (each piece contains four)
- One piece of thermally conductive silicone sheet, size 35 x 24 x 0.5 mm
Installation Procedure
- First, install the M2.5x3+3 copper standoffs and thermal silicone sheet in the specified positions.
tip
Before adhering the thermal silicone pad, please ensure to remove the protective films covering both sides of its surface.

- Next, install the Radxa X4 and secure it with 4 CM2.5x3 screws.

- Then, connect the fan interfaces.

- Finally, secure the heatsink bracket with 6 KM2x4 screws.
