Technical specifications …
| Manufacturer | NZXT |
| Description | H400i |
| Dimensions with feet (WxHxD) | 210 x 417 x 421 mm |
| Dimensions without feet (WxHxD) | 210 x 393 x 421 mm |
| Motherboard | Micro-ATX, Mini-ITX |
| PCI-slots | 4 |
| CPU cooler | up to 164mm |
| Graphics card | up to 411mm |
| power supply | default ATX |
| Drives 5.25″ | 0 |
| Drives 3.5″ | 1 (internal) |
| Drives 2.5″ | 4 (internal 3+1) |
| Front fan | 2x 120 or 2x 140 mm |
| Rear fan | 1x120mm |
| Top fan | 2x120mm or 2×240 |
| Weight | 7.60kg |
Alternatively, radiators can also be installed at the front or rear. If desired, a radiator or two 140mm fans can optionally be installed in the upper area.

NZXT H400i Construction, design and features from the exterior …