Don't know the exact internal volume, but it should be around 7liter:
https://www.alternate.de/SilverStone/ML05B-USB-3-0-HTPC-Gehäuse/html/product/1088276?
Plenty of airflow for the 3060 and a cheap pricetag. Just keep in mind it uses an STX PSU, not an ATX or ITX one.
Last edited by Bofferbrauer2 - on 01 October 2020The Nintendo eShop rating Thread: http://gamrconnect.vgchartz.com/thread.php?id=237454 List as Google Doc: https://docs.google.com/spreadsheets/d/1aW2hXQT1TheElVS7z-F3pP-7nbqdrDqWNTxl6JoJWBY/edit?usp=sharing
The Steam/GOG key gifting thread: https://gamrconnect.vgchartz.com/thread/242024/the-steamgog-key-gifting-thread/1/
Free Pc Games thread: https://gamrconnect.vgchartz.com/thread/248138/free-pc-games/1/