ThermalHero Thermal Paste QUANTUM Series 1g

Thermal Hero Quantum is a silicone-based thermal compound positioned at the entry level of the Thermal Hero range. It performs the fundamental task — filling the microscopic gaps between the CPU IHS and the cooler base so heat can transfer — at the lowest price point on offer.

For low-power CPUs, office and HTPC builds, basic laptops, and quick paste replacements where peak thermal performance isn’t the goal, Quantum keeps temperatures within the safe operating range. It is not engineered for high-performance scenarios — there are better options in this same listing for that.

If your build matches any of the following, choose a higher-tier compound:

• Modern mid-range or high-end gaming desktops (Ryzen 5/7, Core i5/i7) — even a small step up to Thermal Hero ULTRA or Arctic MX-6 will give a measurable headroom improvement.
• Sustained heavy CPU loads (rendering, streaming, encoding, compiling) — Quantum is more prone to drying and pump-out under prolonged thermal cycling than premium compounds.
• Overclocking or high-TDP CPUs (Core i9, Ryzen 9, Threadripper) — Thermal Grizzly Kryonaut and Arctic MX-6 are designed for these workloads; Quantum is not.

Quantum has its place — quick repaste jobs, parts swaps, low-stakes builds, workshop drawer-stock. For anything where thermal headroom matters, look one tier up.

How it compares

Bottom line: Thermal Hero Quantum is the right pick when the goal is “get the cooler reattached and call it done” on a low-stakes machine. For any modern gaming desktop, productivity workstation, or overclocked rig, Thermal Hero ULTRA is the cheapest meaningful step up — and Arctic MX-6 or Thermal Grizzly Kryonaut add real thermal headroom for builds that need it.