See here
https://mysupport.razer.com/app... under "Specifications" -> "Inner Dimensions".
It is also worth reading the FAQs or user manuals (also available on the same page).
On the product page itself you will also find graka compatibility information:
https://www.razer.com/gaming-egp...I for one am really satisfied with the case. But I didn't install an RTX card, because the data throughput is limited
is limited by Thunderbolt 3 anyway and an RTX is not necessarily worth it. Therefore, everyone has to know for themselves whether that is ok or not ;-)