Noctua NL-LC1-42 420mm High-Performance AIO CPU Cooler
Noctua NL-LC1-42 — the 420mm model in Noctua’s first AIO line, built around the same low-noise engineering as its air coolers.
Noctua spent years on air cooling before shipping an AIO, and the NL-LC1 line reflects that priority: the design target is acoustics at a given heat load rather than the lowest possible temperature at any fan speed. The 420mm version pairs the largest radiator in the range with Noctua’s own fans, so the whole assembly can move the required air at low RPM. There is no screen and no RGB — this is a cooler for quiet workstation and enthusiast builds rather than showcase machines. A 420mm radiator requires a case that explicitly supports it.
Covered by a 2-year warranty under EU consumer law.
| Weight | 2.29 kg |
|---|---|
| Dimensions | 46 × 14.4 × 5.9 cm |
| Brand | |
| Radiator Size | 420 mm |
| Fans | 3x 140mm Noctua |
| Display | None |
| Lighting | None |
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