Question Is My Laptop Upgradeable?

[alnsmthe000]

2021 ROG Zephyrus G15 GA503 | Gaming Laptops｜ROG - Republic of Gamers｜ROG Global

ROG Zephyrus G15 puts premium gaming in an ultraslim 1.9kg chassis. Performance is fast and smooth with AMD Ryzen™ 9 5900HS CPU and GeForce RTX™ 3080 GPU. Up to a WQHD 165Hz/3ms gaming panel balances speed with rich detail. Dolby Atmos audio from six speakers immerses you in surround sound.

rog.asus.com

I have an ASUS ROG Zephyrus G15 with an AMD Ryzen 9 5900HS and an NVIDIA Geforce RTX 3080. Would I be able to upgrade the GPU with a 3090?

 

[USAFRet]

No.

This video shows the disassembly.

View: https://www.youtube.com/watch?v=ScW3Ddturrk

There are/were only certain laptops where the GPU was changeable.
This was indicated by the MXM identifier.

The GPU in a laptop is rarely upgradeable.