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3M Thermally Conductive Acrylic Interface Pad 5590H vs PrimoChill Ultra Extreme XR-m Thermal Pad: Comparison
3M Thermally Conductive Acrylic Interface Pad 5590H and PrimoChill Ultra Extreme XR-m Thermal Pad separate most on thermal conductivity: 3M Thermally Conductive Acrylic Interface Pad 5590H at 3 W/mK, PrimoChill Ultra Extreme XR-m Thermal Pad at 17.0 W/mK, 82% in favour of PrimoChill Ultra Extreme XR-m Thermal Pad. They match on electrical conductivity and paste segment.
Specs
| Specification |  |  |
|---|---|---|
| Compound Type | Acrylic-Based Pad (non-silicone thermally conductive acrylic polymer) | Silicone-Based (Solid Pad) |
| Brand | 3M | PrimoChill |
| Model | 5590H | PrimoChill Ultra Extreme XR-m Thermal Pad |
| Thermal Conductivity | 3 W/mK-82% | 17.0 W/mK |
| Electrical Conductivity | Insulating | Insulating |
| Package Size | Die-cut shapes and rolls (e.g. 25.4 x 25.4 x 0.5mm squares, sold in packs) | 60x50mm sheets, multiple thicknesses |
| Recommended Use | Mainstream CPU/GPU and general electronics gap filling | GPU VRM/MOSFET Cooling, Case-Mod Builds |
| Reapplication Interval | No reapplication needed; self-adhesive one-time application | Solid sheet avoids pump-out by design |
| Safety Notes | Non-conductive acrylic pad; no special handling precautions required | None |
| Paste Segment | Pad | Pad |
Price comparison
| Retailer | 3M Thermally Conductive Acrylic Interface Pad 5590H | PrimoChill Ultra Extreme XR-m Thermal Pad |
|---|---|---|
| Amazon | View on Amazon | |
| Newark | View on Newark |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
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