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Alphacool Subzero vs StarTech SILVGREASE1: Comparison
Alphacool Subzero and StarTech SILVGREASE1 separate most on thermal conductivity: Alphacool Subzero at 16 W/mK, StarTech SILVGREASE1 at 3.195 W/mK, 80% in favour of Alphacool Subzero. They match on electrical conductivity, safety notes and paste segment.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Compound Type | High-Performance Silicone-Based | Metal Oxide/Ceramic-Silicone |
| Brand | Alphacool | StarTech |
| Model | Alphacool Subzero , Subzero | StarTech SILVGREASE1 |
| Thermal Conductivity | 16 W/mK | 3.195 W/mK-80% |
| Electrical Conductivity | Insulating | Insulating |
| Package Size | 1g / 3.5g / 20g tubes | 1.5g re-sealable syringe (also 5-pack, 20g tube) |
| Recommended Use | High-end CPU/GPU (including overclocking) | IT Technician/Reseller CPU-GPU Servicing |
| Reapplication Interval | Verify manufacturer-rated interval | Not consistently published |
| Safety Notes | None | None |
| Paste Segment | Standard Paste | Standard Paste |




