Phobya

Phobya Thermal Pad XT 7W/mK

Expert rating6.1 / 10

Thermal Conductivity:: 7 W/mK
Electrical Conductivity:: Non-Conductive
Recommended Use:: Mainstream CPU/GPU
Package Size:: 100x100x1.0mm

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Manufacturer: Phobya Last updated: 2026-09-15

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Phobya Thermal Pad XT 7W/mK Review

The Phobya Thermal Pad XT is Phobya's improved thermal pad line, rated 7 W/mK and marketed as able to match even high-end thermal compounds for VRAM, VRM, and mainboard chipset cooling.

Phobya officially rates the Thermal Pad XT at 7 W/mK, an improvement over the company's earlier Thermal Pad Ultra line (5 W/mK), and markets it specifically as capable of matching high-end thermal compounds on components like VRAM modules, VRM sections, and large-surface Northbridge/Southbridge chips. This 100x100x1.0mm sheet is large enough to be cut down to whatever size a given mainboard or GPU backplate needs, and like the rest of the Phobya pad lineup it's very flexible and low-hardness so it adapts to microscopic surface irregularities without excessive contact pressure. It's electrically non-conductive, so it's safe for direct contact with sensitive board-level components. Against Phobya's own Thermal Pad Ultra also in this catalog, the XT line trades some maximum thickness/gap-bridging capacity for higher rated conductivity.

Thermal Performance and Conductivity

Phobya officially rates the Thermal Pad XT at 7 W/mK, an improvement over the earlier Thermal Pad Ultra line (5 W/mK) also sold by Phobya, and the company markets it as able to match even high-end thermal compounds.

Composition

Phobya markets the Thermal Pad XT as a flexible, low-hardness pad material similar in construction to the Thermal Pad Ultra line but with an improved conductivity rating.

Application and Consistency

This 100x100x1.0mm sheet can be cut to size and ships with a protective foil over a slightly sticky surface that helps prevent the pad from shifting once mounted.

Electrical Safety

The pad is electrically non-conductive, making it safe for direct contact with VRAM, VRM, and other exposed board circuitry.

Longevity and Pump-Out Resistance

As a solid pad rather than a spreadable paste, the Thermal Pad XT avoids liquid pump-out migration entirely, though Phobya does not publish a specific service-life figure.

Comparison to Alternatives

Against Phobya's own Thermal Pad Ultra also in this catalog, the XT line offers higher rated conductivity (7 vs 5 W/mK) in a large cuttable 100x100mm sheet, though Ultra remains available in thicker options for bridging bigger height differences.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating6.1 / 10

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

Best for

VRAM, VRM, and large-surface chipset cooling wanting a higher-conductivity cuttable pad than Phobya's Ultra line
Builds needing a big 100x100mm sheet that can be trimmed to several smaller components

Not for

Applications needing to bridge gaps larger than this pad's 1.0mm thickness allows
CPU IHS-to-cooler contact where a conventional paste is simpler to apply

Specifications

What these specs mean

Identity and form

Brand	Phobya
Model	Phobya Thermal Pad XT 7W/mk

Electrical and board risk

Paste Segment	Pad

Application

Viscosity	Very flexible, low-hardness pad that adapts to uneven surfaces at low contact pressure; slightly sticky surface under a removable protective foil

Cure and durability

Pump-Out Resistance	High

Electrical Conductivity	Insulating
Package Size	100 x 100 x 1.0mm sheet, cuttable to size; also sold in other thicknesses
Recommended Use	Mainstream CPU/GPU; Phobya markets it as able to match high-end thermal compounds for VRAM, VRM, and North/Southbridge cooling

FAQs

What are the key specifications of the Phobya Thermal Pad XT 7W/mK (Pad/Non-Conductive/100x100x1.0mm)?

Key specs for the Phobya Thermal Pad XT 7W/mK: Electrical Conductivity Insulating, Consistency Very flexible, low-hardness pad that adapts to uneven surfaces at low contact pressure; slightly sticky surface under a removable protective foil, Pump-Out Resistance High.

Will the Phobya Thermal Pad XT 7W/mK (Pad/Non-Conductive/100x100x1.0mm) work with my current setup?

The Phobya Thermal Pad XT 7W/mK (Pad/Non-Conductive/100x100x1.0mm) lists Thermal Conductivity is 7. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the Phobya Thermal Pad XT 7W/mK (Pad/Non-Conductive/100x100x1.0mm) best suited to?

Best suited to: VRAM, VRM, and large-surface chipset cooling wanting a higher-conductivity cuttable pad than Phobya's Ultra line; Builds needing a big 100x100mm sheet that can be trimmed to several smaller components.

What are the drawbacks of the Phobya Thermal Pad XT 7W/mK (Pad/Non-Conductive/100x100x1.0mm)?

Not the best fit for: Applications needing to bridge gaps larger than this pad's 1.0mm thickness allows; CPU IHS-to-cooler contact where a conventional paste is simpler to apply.