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3M Thermally Conductive Acrylic Interface Pad 5590H vs Phobya Thermal Pad XT 7W/mK: Comparison

3M Thermally Conductive Acrylic Interface vs Phobya Thermal Pad XT 7W/mK viscosity compared

Viscosity is the dividing line, 3M Thermally Conductive Acrylic Interface Firm, tacky acrylic polymer sheet against Phobya Thermal Pad XT 7W/mK Very flexible, low-hardness pad that adapts to uneven surfaces.... Recommended use is not the same on both, Battery cooling, power electronics and HMI displays on the 3M Thermally Conductive Acrylic Interface versus Mainstream CPU/GPU; Phobya markets it as able to match... on the Phobya Thermal Pad XT 7W/mK.

Who each one is for

The 3M Thermally Conductive Acrylic Interface suits silicone-sensitive assemblies near optics, displays or connectors and power electronics and battery gap filling, though it is not the pick for high-end GPU memory or VRM cooling. Avoid it for builds where silicone pads are acceptable and higher conductivity is wanted. Take the Phobya Thermal Pad XT 7W/mK for VRAM, VRM, and large-surface chipset cooling wanting a higher-conductivity cuttable pad than Phobya's Ultra line. It is equally the pick for builds needing a big 100x100mm sheet that can be trimmed to several smaller components. It is the wrong buy for applications needing to bridge gaps larger than this pad's 1.0mm thickness allows. Our rating of the 3M Thermally Conductive Acrylic Interface (6.6/10): an industrial acrylic interface pad from an established materials manufacturer, aimed at OEM and repair use rather than enthusiast builds. Our rating of the Phobya Thermal Pad XT 7W/mK (6.1/10): A cuttable sheet pad from Phobya, a modest but usable option for water-cooling gap-filling.

What 3M Thermally Conductive Acrylic Interface and Phobya Thermal Pad XT 7W/mK have in common

The common ground is wider than the gap: electrical conductivity and paste segment are identical here.

Specs and benchmarks

  • Brand

    3M Thermally Conductive Acrylic Interface Pad 5590H
    3M
    Phobya Thermal Pad XT 7W/mK
    Phobya
  • Model

    3M Thermally Conductive Acrylic Interface Pad 5590H
    5590H
    Phobya Thermal Pad XT 7W/mK
    Phobya Thermal Pad XT 7W/mk
  • Electrical Conductivity

    3M Thermally Conductive Acrylic Interface Pad 5590H
    Insulating
    Phobya Thermal Pad XT 7W/mK
    Insulating
  • Package Size

    3M Thermally Conductive Acrylic Interface Pad 5590H
    Sheets and die-cut shapes, 0.5/1.0/1.2/1.5/2.0mm thick
    Phobya Thermal Pad XT 7W/mK
    100 x 100 x 1.0mm sheet, cuttable to size; also sold in other thicknesses
  • Recommended Use

    3M Thermally Conductive Acrylic Interface Pad 5590H
    Battery cooling, power electronics and HMI displays (general electronics gap filling)
    Phobya Thermal Pad XT 7W/mK
    Mainstream CPU/GPU; Phobya markets it as able to match high-end thermal compounds for VRAM, VRM, and North/Southbridge cooling
  • Viscosity

    3M Thermally Conductive Acrylic Interface Pad 5590H
    Firm, tacky acrylic polymer sheet
    Phobya Thermal Pad XT 7W/mK
    Very flexible, low-hardness pad that adapts to uneven surfaces at low contact pressure; slightly sticky surface under a removable protective foil
  • Paste Segment

    3M Thermally Conductive Acrylic Interface Pad 5590H
    Pad
    Phobya Thermal Pad XT 7W/mK
    Pad

    Which one should you pick?

    Choose 3M Thermally Conductive Acrylic Interface Pad 5590H if you already have it on hand or find it at a lower price.

    Choose Phobya Thermal Pad XT 7W/mK if you already have it on hand or find it at a lower price.

    Price comparison

    Retailer3M Thermally Conductive Acrylic Interface Pad 5590HPhobya Thermal Pad XT 7W/mK
    AmazonView on Amazon
    NewarkView on Newark
    NeweggView 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.

    Verdict

    3M Thermally Conductive Acrylic Interface Pad 5590H

    6.6 / 10 Expert Rating

    An industrial acrylic interface pad from an established materials manufacturer, aimed at OEM and repair use rather than enthusiast builds.

    Phobya Thermal Pad XT 7W/mK

    6.1 / 10 Expert Rating

    A cuttable sheet pad from Phobya, a modest but usable option for water-cooling gap-filling.

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