Will it fit · CPU cooler
Yes
The Thermalright Assassin X 120 R SE is 148 mm tall and the NZXT H6 Flow takes air coolers up to 163 mm (15 mm to spare).
| Case's max cooler height | 163 mm |
|---|---|
| Thermalright Assassin X 120 R SE height | 148 mm |
| Room left | 15 mm |
| Case type | mid tower |
Case limits from the maker's spec sheet (checked 2026-10-15).
Yes. The Thermalright Assassin X 120 R SE is 148 mm tall and the NZXT H6 Flow takes air coolers up to 163 mm (15 mm to spare).
163 mm for air coolers, and radiators up to 360 mm (360 mm on top).
