Corsair iCUE H170i Elite Capellix XT
420mm AIO · 2200 RPM · iCUE LINK
Thermalright Peerless Assassin 120 SE · White
Air tower
Thermalright Peerless Assassin 120 SE · White takes it — here’s why.
In our weighted Specdex score, Corsair iCUE H170i Elite Capellix XT lands at 89 and Thermalright Peerless Assassin 120 SE · White at 92. That puts Thermalright Peerless Assassin 120 SE · White ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Corsair iCUE H170i Elite Capellix XT if…
- ✓420 mm radiator handles even RTX 5090-class CPUs
- ✓iCUE LINK simplifies cabling
- ✓LCD display optional
Pick Thermalright Peerless Assassin 120 SE · White if…
- ✓Multi-socket bracket support
- ✓Quiet fans at idle
- ✓Strong TDP rating
Score breakdown
Specs side-by-side
| Spec | Corsair iCUE H170i Elite Capellix XT | Thermalright Peerless Assassin 120 SE · White |
|---|---|---|
| Type | 420mm AIO | Air tower |
| Fan size | 3× 140 mm ML140 RGB | — |
| Pump speed | 2400 RPM | — |
| Sockets | AM5 / AM4 / LGA1851 / LGA1700 / sTRX4 | — |
| Tube length | 450 mm | — |
| Warranty | 5 years | — |
Corsair iCUE H170i Elite Capellix XT
- +420 mm radiator handles even RTX 5090-class CPUs
- +iCUE LINK simplifies cabling
- +LCD display optional
- −420mm requires E-ATX or larger case
- −Pricey vs Arctic competitor
- −iCUE software heavy
Thermalright Peerless Assassin 120 SE · White
- +Multi-socket bracket support
- +Quiet fans at idle
- +Strong TDP rating
- −Height may conflict with RAM heatspreaders
- −AIO pump noise varies
- −Installation requires motherboard-off
FAQ: Corsair iCUE H170i Elite Capellix XT vs Thermalright Peerless Assassin 120 SE · White
Which is better, Corsair iCUE H170i Elite Capellix XT or Thermalright Peerless Assassin 120 SE · White? +
Thermalright Peerless Assassin 120 SE · White scores 92 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.
Is Corsair iCUE H170i Elite Capellix XT worth the price? +
At $309, Corsair iCUE H170i Elite Capellix XT delivers a Specdex score of 89 — strongest in cooling.
Is Thermalright Peerless Assassin 120 SE · White worth the price? +
At $35, Thermalright Peerless Assassin 120 SE · White delivers a Specdex score of 92 — strongest in thermals.
Does Corsair iCUE H170i Elite Capellix XT or Thermalright Peerless Assassin 120 SE · White last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.