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Rectangular clear polycarbonate guard with ten cleaning wipes

Noctua

Noctua NA-STPG1 Thermal Paste Guard & Cleaning Set for AMD AM5 Ryzen CPUs

SKU CH-EFKB-BDFRB

A thermal paste guard that prevents build-up in AM5 CPU cut-outs, supplied with ten cleaning wipes for heatspreader and cooler surfaces

  • Prevents thermal paste build-up in AM5 heatspreader cut-outs
  • Simple guard installation before applying thermal grease and cooler
  • Made from heat-resistant polycarbonate rated to 130°C
  • No measurable impact on CPU temperatures during operation
  • Includes 10 NA-CW1 cleaning wipes for CPU and cooler surfaces

Thermal Paste Guard for AM5

The Noctua NA-STPG1 set includes a polycarbonate guard designed to fit AMD AM5 Ryzen processors. It blocks excess thermal compound from settling in the heatspreader cut-outs during cooler installation. This keeps the CPU surface clean and makes future maintenance simpler for system builders and upgraders working with the AM5 platform.

Check Socket and Clearance

Verify that your processor uses the AMD AM5 socket before ordering, as the guard is shaped specifically for that heatspreader layout. Ensure your chosen cooler mounting mechanism applies even pressure so the guard stays aligned with the outer edges of the heatspreader. The guard withstands temperatures up to 130°C, so confirm your typical operating range stays within that limit.

Build Integration

Place the guard on the CPU before applying thermal grease and seating the cooler; it adds no measurable thermal resistance. After removal, use the ten included NA-CW1 cleaning wipes to clean both the CPU heatspreader and the cooler contact surface. The set eliminates the need for separate cleaning supplies and prevents paste build-up that can complicate later cooler swaps.

Highlights

  • Prevents thermal paste build-up in AM5 heatspreader cut-outs
  • Simple guard installation before applying thermal grease and cooler
  • Made from heat-resistant polycarbonate rated to 130°C
  • No measurable impact on CPU temperatures during operation
  • Includes 10 NA-CW1 cleaning wipes for CPU and cooler surfaces

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the NA-STPG1 set and do I need to buy thermal paste separately?

The set includes one NA-TPG1 thermal paste guard and ten NA-CW1 cleaning wipes; thermal paste is not included and must be purchased separately.

Is there more than one version of the guard to choose for my AM5 Ryzen CPU?

Only one version of the NA-TPG1 guard is offered; it fits all AMD AM5 Ryzen processors.

Will using the guard change my CPU temperatures under load?

No, the polycarbonate guard withstands up to 130°C and has no measurable effect on CPU temperatures.

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