I made my own case with an NVME drive for Raspberry Pi 5. I'm adding a link to the controller I have for this case, you can buy a cooling kit there. (https://pl.aliexpress.com/item/1005006753700563.html?spm=a2g0o.order_list.order_list_main.11.49a91c244oWTGi&gatewayAdapt=glo2pol)