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Alphacool Subzero vs PCCooler A1: Comparison
Alphacool Subzero and PCCooler A1 separate most on thermal conductivity: Alphacool Subzero at 16 W/mK, PCCooler A1 at 7.5 W/mK, 53% in favour of Alphacool Subzero. They match on electrical conductivity and paste segment.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Compound Type | High-Performance Silicone-Based | Silver-infused compound (classification pending verification) |
| Brand | Alphacool | PCCooler |
| Model | Alphacool Subzero , Subzero | PCCooler A1 |
| Thermal Conductivity | 16 W/mK | 7.5 W/mK-53% |
| Electrical Conductivity | Insulating | Insulating |
| Package Size | 1g / 3.5g / 20g tubes | 2g syringe |
| Recommended Use | High-end CPU/GPU (including overclocking) | Mainstream CPU/GPU |
| Paste Segment | Standard Paste | Standard Paste |




