S300 - Mini-ITX PC Gaming Case - Front I/O USB 3.0 Type - C Port - SFX Power Supply 100-130mm - Cable Management System - luminum Mini-ITX Motherboard Small Portable PC Case-Black:
Goodisory A09 Black Mini-ITX 0.8mm SPCC Desktop Computer Case Fit in Flex PSU: Amazon.co.uk: Computers & Accessories
Fractal Design Terra Small Form Factor Mini ITX PC Case - Silver and Walnut
A09 HTPC Computer Case Mini ITX Gaming PC Chassis Desktop Chassis USB3.09781 | eBay
JOYJOM Mini ITX PC Case with PCI Riser, SFF (Small Form Factor), TX Computer Gaming Case Supports GPU Graphics Card, Aluminum (Black): Amazon.co.uk: Computers & Accessories
I finally found smallest case that can fit my mATX mobo and ATX psu. It's smaller than some ITX cases and I love it. Krux Naos TG : r/sffpc
ITX Computer Case 2.0 USB Compact Size Simple Mini PC Case for Home | eBay
Jonsbo VR3 Mini-ITX PC Case – Black with PCIe 4.0 Riser Cable | OcUK
Mini ITX Cases available at Overclockers UK - Upgrade your chassis