Thermal Grizzly AM5 High Performance Heatspreader (TG-HPHS-AM5)

The AM5 High Performance Heatspreader is an upgrade heatspreader for AMD's Ryzen 7000 processors. The nickel-plated copper heatspreader features a 240 percent larger diamond-milled precision surface. This increased surface area over the original heatspreader allows for maximum heat dissipation with air and water coolers, while precision milling ensures extremely low surface roughness for best contact with the heat sink. Replaces SAM and heatspreader240% larger surface area (22 cm² )Made of nickel-plated copperPrecision diamond milled surfaceCompatible with air and water coolersOnly for delidded CPUs! The nickel-plated surface of the AM5 High Performance Heatspreader is compatible with traditional thermal pastes and gallium-based liquid metals.

The nickel forms a barrier layer between the liquid metal and the copper cooler, so liquid metal does not diffuse into the copper and alloying is minimized. As a result, multiple applications of liquid metal are generally not necessary. For the most maintenance-free system possible, a KryoSheet graphene thermal pad can be used as the thermal interface between the CPU and the AM5 High Performance Heatspreader. Since KryoSheet pads are electrically conductive, a cover is included to protect the electronic components on the CPU package. Note on Cooler CompatibilityThe AM5 High Performance Heatspreader (HPHS) is thinner compared to the stock AMD heatspreader.

This means that the surface of the HPHS is approximately 2 millimeters lower. Depending on the cooler's mounting kit, this might result in the CPU cooler not making contact with the surface of the AM5 High Performance Heatspreader. Before retrofitting and powering on, we recommend verifying whether the CPU cooler can be mounted 2 mm lower in the Z-height from the motherboard. If the cooler’ s mounting kit does not allow for a deeper installation, theAM5 Adapter & Offset Mounting Kitcan provide a solution.
Note: In August 2024, the nickel platin