All add-on heatsink covers will increase the total height of your Noctua cooler. Please ensure that your case offers sufficient clearance and that the cover doesn’t make contact with any other components such as PCIe cards.
| Product | Height |
| NA-HC1 chromax.black.swap | The cover increases the height of the heatsink by 6 mm (from 158 mm to 164 mm) and the total width by 3 mm (from 125 mm to 128 mm). |
| NA-HC2 chromax.black | The cover increases the height of the heatsink by 6 mm (from 158 mm to 164 mm) and the total width by 3 mm (from 125 mm to 128 mm). |
| NA-HC2 chromax.white | The cover increases the height of the heatsink by 6 mm (from 158 mm to 164 mm) and the total width by 3 mm (from 125 mm to 128 mm). |
| NA-HC3 chromax.black.swap | The covers increase the height of the heatsink by 5 mm (from 160 mm to 165 mm) and the width by 3 mm (from 150 mm to 153 mm). |
| NA-HC4 chromax.black | The covers increase the height of the heatsink by 5 mm (from 160 mm to 165 mm) and the width by 3 mm (from 150 mm to 153 mm). |
| NA-HC4 chromax.white | The covers increase the height of the heatsink by 5 mm (from 160 mm to 165 mm) and the width by 3 mm (from 150 mm to 153 mm). |
| NA-HC5 chromax.black.swap | The cover increases the height of the heatsink by 7 mm (from 165 mm to 172 mm) and the total width by 3 mm (from 150 mm to 153 mm). |
| NA-HC6 chromax.black | The cover increases the height of the heatsink by 7 mm (from 165 mm to 172 mm) and the total width by 3 mm (from 150 mm to 153 mm) |
| NA-HC6 chromax.white | The cover increases the height of the heatsink by 7 mm (from 165 mm to 172 mm) and the total width by 3 mm (from 150 mm to 153 mm) |
| NA-HC7 chromax.black.swap | The cover increases the height of the heatsink by 3 mm (from 158 mm to 161 mm) and the total width by 3 mm (from 125 mm to 128 mm). |
| NA-HC8 chromax.white | The cover increases the height of the heatsink by 3 mm (from 158 mm to 161 mm) and the total width by 3 mm (from 125 mm to 128 mm). |
| NA-HC8 chromax.black | The cover increases the height of the heatsink by 3 mm (from 158 mm to 161 mm) and the total width by 3 mm (from 125 mm to 128 mm). |