The 5.3Liter of greatness features:
1. 230 x 200 x 117mmm in size
2. FLEX( Less than 170mm) PSU Support
3. 48mm clearance for CPU coolers
4. 175mm GPU clearance (43mm in thickness)
5. 6061 Aluminum(AL-Lu-Mium!).
6. CNC made
7. 2 x 90mm exhaust fan mounted in top
8. MiniITX small form factor
9. group buy: https://www.gaojitui.com