Can a hat be stacked on top of this one?

Physically, yes. The female GPIO header allows pins to pass through, so I used a header extender to stack this on top of a Innomaker sound DAC HAT. Looks great on top of their acrylic case. However, I'm still tracking down the pin usage to ensure that there are no conflicts between the two products (which led me here). So far, I've learned that the Argon One case uses GPIO pin #4 as an input for power on/off. Most likely, the fan HAT uses the same.

What did you use to mount it? Did anyone get any mounting hardware?

I just pushed it down on the headers(pins). It is not meant to be mounted to the case.

Can the fan control software be loaded/configured with a headless setup via ssh? Or do you have to have a monitor installed to configure the software?

ssh sould be fine to configure fan

What is the dimension from the bottom of the gpio connector to the top of the fan?

Another Dimension issue; One screw holding the 40mm fan to the Argon board beside the blue speed leds had the nut hit my RPi4 heatsink, so i omit the screw. It depends on exactly how you stick on a heatsink, & what size it is. This has been No problem.

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Argon Fan HAT for Raspberry Pi 4 | 40mm Fan with Power Button | PWM and Software Controllable | Easy Setup

Product ID: 211054697

Details

Brand
Argon Forty
Power connector type
4-Pin
Voltage
5 Volts (DC)
Cooling method
Air
Compatible devices
Server
Noise level
48 Decibels

🔌Power Button

⚙️PWM Control

🌬️40mm Fan

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Keep Your Cool with Argon!

ONE CLICK SAFETY - Easily perform safe shutdowns and reboots with the integrated power button.
IDEAL FOR PROJECTS - Perfect for Raspberry Pi servers and stacked setups.
CUSTOMIZABLE COOLING - PWM and software control for tailored performance.
VERSATILE COMPATIBILITY - Fits seamlessly in various Raspberry Pi cases.
STAY COOL UNDER PRESSURE - Prevent overheating with a powerful 40mm fan.

The Argon Fan HAT for Raspberry Pi 4 is a compact cooling solution designed to prevent overheating, featuring a 40mm fan, a convenient power button for safe shutdowns, and PWM control for customizable performance. Weighing just 9.07g, it fits perfectly in official Raspberry Pi cases and is ideal for various projects, especially Raspberry Pi servers.

Specifications

Brand	Argon Forty
Product Dimensions	4 x 4 x 1 cm; 9.07 g
Manufacturer reference	AR Fan HAT V1
Manufacturer	Argon Forty
Processor Brand	Raspberry Pi
Wireless Type	Bluetooth
Voltage	5 Volts (DC)
Are Batteries Included	No
Item Weight	9.07 g
Guaranteed software updates until	unknown

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