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3M Thermally Conductive Acrylic Interface Pad 5590H vs Phobya Thermal Pad Ultra 5W/mK: Comparison
3M Thermally Conductive Acrylic Interface Pad 5590H and Phobya Thermal Pad Ultra 5W/mK separate most on thermal conductivity: 3M Thermally Conductive Acrylic Interface Pad 5590H at 3 W/mK, Phobya Thermal Pad Ultra 5W/mK at 5 W/mK, 40% in favour of Phobya Thermal Pad Ultra 5W/mK. They match on electrical conductivity and paste segment.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | 3M | Phobya |
| Model | 5590H | Phobya Thermal Pad Ultra 5W/mk |
| Thermal Conductivity | 3 W/mK-40% | 5 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) | 15 x 15 x 4mm, sold as a single piece; also available in other sizes up to 120x20mm strips |
| Recommended Use | Mainstream CPU/GPU and general electronics gap filling | Mainstream CPU/GPU; Phobya also markets it for VRAM, VRM, and North/Southbridge cooling |
| Consistency | Firm, tacky acrylic polymer sheet | Very flexible, low-hardness pad that adapts to uneven surfaces at low contact pressure; compressible to half its original thickness; maximum bridgeable gap of 4mm; slightly sticky surface under a removable protective foil |
| Paste Segment | Pad | Pad |
Price comparison
| Retailer | 3M Thermally Conductive Acrylic Interface Pad 5590H | Phobya Thermal Pad Ultra 5W/mK |
|---|---|---|
| Amazon | View on Amazon | |
| Newark | View on Newark | |
| Performance-PCs | View on Performance-PCs | |
| Newegg | View on Newegg |
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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