GeForce RTX 4090M installed in HP Zbook 17 G5

[ichime]

I was able to install an nVidia GeForce RTX 4090 Mobile MXM card into a HP Zbook 17 G5 (which came originally with a Quadro P3200). I also upgraded this machine with a Quadro RTX 5000M pulled from a HP Zbook 17 G6, which I have since pulled out for the GeForce RTX.

 

The card is pulled out of a Morefine eGPU and it seems like the card itself was made by a chinese company called ZRT: https://en.zrt-tech.com/MXMgpucard.html with a power board limit of 150W (which is fine because I'm limited to a 200w adapter lol)

 

My laptop is a HP Zbook 17 G5 that came with an Intel Xeon E2176M with a 4k UHD touchscreen, which I purchased in 2020.

 

This 4090 upgrade required a modded heatsink (I ended up splicing parts from a Zbook and a Clevo P870) and I may still continue to mod it to get better thermals.  So far, it works well, games run almost fine.

 

The main issues are the following:

 

- Card runs a bit hot without a laptop cooling pad (up to 88c core, 95c hotspot, 106c memory), but I think I'll need to try liquid metal and thicker memory thermal pads. Runs greatt with the laptop cooling pad that I have (Llano v12)

 

- It won't go to fullscreen mode when hooked up to an external display (I've only tried HDMI); maybe its something that's fixable as I've been out of the laptop modding game for 10 years

 

- The laptop itself won't accept a bigger power supply. I tried a 330w power supply from a HP Omen and it didn't recognize it. So I'm stuck with the 200w unit for now, which may explain some of the throttling issues. I might try the SlimQ power supply since it supposedly have compatibility with most HP laptops.

 

Anyways, I'm happy with it so far, can get back into some gaming now. I've attached some pictures, was too lazy to take pictures of the heatsink itself. I'll take pictures when the liquid metal kit comes in.

 

[ichime]

That timespy extreme result was without the laptop cooler. This is the result when I placed it on the laptop cooler with AC air running through it. It should be hitting higher, but probably due to my power supply only being 200W

[Kalman]

Hi,

It is very promising for future improvements!

I have not seen anyone use MXM RTX 40 series in any other laptop.

Is it the first of a kind?

[SuperMG3]

The display is from the Intel UHD and the renderer is the 4090 correct?

 

Could you please also provide us the ZRT 4090 VBIOS please? Thank you.