Noctua NT-H2 3.5g Thermal Paste

The Noctua NT-H2 3.5g Thermal Paste is a high-quality material used between a computer’s processor (CPU or GPU) and its cooler. Even though the metal surfaces look smooth, they actually have tiny bumps and gaps. NT-H2 fills these tiny spaces so heat can move more easily from the processor to the heatsink. Better heat transfer means the processor stays cooler and can run more efficiently. Compared to the older NT-H1 version, NT-H2 has an improved formula with finer particles that help reduce heat resistance even more. It is also non-conductive and non-corrosive, so it will not cause electrical damage if it accidentally spreads near other components. The 3.5g tube is enough for several uses, usually about 3 to 5 applications.

It is also very easy to use. The paste has a smooth and slightly thick texture, so it spreads evenly when we install the cooler Some thermal pastes need a “curing time,” which means we must use the computer for several hours or days before the paste spreads properly and reaches its best heat performance. During that time, temperatures may slightly improve as the paste settles. But with NT-H2, there is no waiting period. As soon as we apply it, mount the heatsink, and turn on the computer, it starts transferring heat efficiently right away. We get optimal cooling performance from the very first use. —it starts working properly as soon as  we turn on the system. Over time, it does not dry out or crack easily, which makes it reliable for long-term use. It works well in both air-cooled and liquid-cooled systems and can handle a wide range of temperatures. Whether we are building a gaming PC, a workstation, or a quiet everyday computer, NT-H2 helps maintain stable and reliable cooling performance.

Key Features

High Thermal Performance
NT-H2 uses an improved micro-particle formula that enhances heat transfer between the CPU or GPU and the heatsink. By reducing thermal resistance, it helps keep temperatures lower, which improves overall system stability and performance, especially during heavy workloads or gaming.

No Curing Time Required
The paste works at full efficiency immediately after application. There is no waiting period for it to settle or cure, so you get optimal cooling performance as soon as the system is powered on.

Safe and Non-Conductive
NT-H2 does not conduct electricity, which means it will not cause short circuits if a small amount spreads beyond the processor surface. It is also non-corrosive, making it safe for long-term use on metal components.

Long-Term Stability
The compound is designed to resist drying out, cracking, or degrading over time. This ensures consistent cooling performance for years without the need for frequent reapplication.

Easy Application and Removal
With its smooth, slightly thick texture, the paste distributes uniformly when pressure is applied during installation. The 3.5 g tube is sufficient for several applications, and the supplied cleaning wipes allow for quick, hassle-free cleanup.

Wide Compatibility
NT-H2 performs reliably with both air and liquid cooling setups and is compatible with a wide range of processors and graphics cards, making it well suited for gaming PCs, professional workstations, and ultra-quiet systems.

Technical Specification