OcUK Gaming Hydrogen Mini ITX Gaming PC - Intel 12th Gen Core i5, GeForce RTX Graphics | OcUK
Razer Tomahawk Mini-ITX - Gaming Case with Razer Chroma RGB (Swing Doors on Both Sides, Ventilation, Dust Filter, Cable Management, for Radiators up to 240 mm) Black : Amazon.co.uk: Computers & Accessories
How to build a mini-ITX gaming PC
Segotep Slath MINI ITX Gaming Case with 2*120mm ARGB Fans GPU Vertically Mount | eBay