The Noctua NH-L9i-17xx wins in 2 out of 3 comparable specs. Its biggest advantage is MSRP (70% better).
Kraken 240 wins in 1 spec (TDP Rating: 285% better).
Recommendation
Choose NH-L9i-17xx if you want the best overall performance — especially msrp.
Choose Kraken 240 if tdp rating matters more to you.
| Spec | NoctuaNH-L9i-17xx | NZXTKraken 240 |
|---|---|---|
| Design | ||
| Type | Low Profile | AIO |
| Height | 37 mm | 56 mm |
| Radiator Size | N/A | 240 mm |
| Performance | ||
| TDP Rating | 65W | 250W+285% |
| Fans | 1 | 2 |
| Fan Size | 92 mm | 120 mm |
| Acoustics | ||
| Noise Level | ||
| 23.6 dB(A)−23% |
| 30.6 dB(A) |
| Fan RPM | 600 - 2500 | 500 - 1800 |
| Compatibility | ||
| Sockets | LGA1851, LGA1700 | LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150, AM5, AM4 |
| Price | ||
| MSRP | $45−70% | $150 |
| Release Date | Nov 2021 | Sep 2023 |