Thermalright Ultra 120 Extreme Snow REV.5 CPU Cooler, Dual 120mm PWM Fans, LCP Blades, 2400RPM, 6 Heat Pipes, 157mm Single Tower, for Intel LGA1700 and AMD AM5/AM4 (White)

Q: Thermalright Ultra 120 Extreme Snow REV.5 vs Peerless Assassin 120 SE: which should I buy?

A: Choose the Ultra 120 Extreme Snow REV.5 when you want a narrow single-tower cooler with two high-speed 120 mm fans and easier visibility around the memory area. Choose the Peerless Assassin 120 SE when sustained high-wattage CPU workloads are the priority, because its dual-tower design provides a larger heatsink structure while remaining about the same height. The Ultra is 157 mm tall with six heat pipes and dual 2400 RPM fans; the Peerless Assassin 120 SE is 155 mm tall with six heat pipes and dual 1550 RPM fans. ([thermalright.com](https://www.thermalright.com/product/ultra-120-extreme-evo-rev-5/?utm_source=openai))

Q: Is the Ultra 120 Extreme REV.5 better than the Phantom Spirit 120 SE?

A: Choose the Ultra 120 Extreme REV.5 for a single-tower layout, narrower heatsink profile, and included dual high-speed fans. Choose the Phantom Spirit 120 SE for heavier sustained rendering, compiling, or overclocked workloads, where its dual-tower design and seven heat pipes provide a larger cooling platform. The Ultra is 157 mm tall, while the Phantom Spirit 120 SE is 154 mm tall, so case clearance should be checked for either model. ([thermalright.com](https://www.thermalright.com/product/ultra-120-extreme-evo-rev-5/?utm_source=openai))

Q: Should I get the Ultra 120 Extreme REV.5 or a cheaper Assassin X 120?

A: Choose the Ultra 120 Extreme REV.5 for higher sustained cooling capacity, dual-fan airflow, and demanding gaming or creator workloads. Choose the Assassin X 120 for a mainstream processor, a lower-cost build, or lighter workloads where a simpler single-fan cooler is sufficient. The Ultra uses six heat pipes and two 120 mm fans, while the Assassin X 120 uses four heat pipes and one 120 mm fan; both are approximately 154–157 mm tall. ([thermalright.com](https://www.thermalright.com/product/ultra-120-extreme-evo-rev-5/?utm_source=openai))

Q: Is the Ultra 120 Extreme REV.5 a worthwhile upgrade over the Ultra 120EX REV.4?

A: Choose the REV.5 when buying new and you want the updated fan package, including two 120 mm PWM fans rated up to 2400 RPM. The REV.4 remains practical if you already own it or plan to reuse a compatible fan, because both revisions retain a 157 mm single-tower heatsink format and six heat pipes. The REV.5 is therefore a configuration and fan-package upgrade rather than a change to the basic cooler layout. ([thermalright.com](https://www.thermalright.com/product/ultra-120-extreme-evo-rev-5/?utm_source=openai))

Q: Is the Ultra 120 Extreme Snow REV.5 suitable for a small-form-factor PC?

A: Choose the Ultra 120 Extreme Snow REV.5 for a standard tower or compact case that explicitly supports at least 157 mm of CPU-cooler height. For small-form-factor systems with lower clearance, choose a low-profile cooler instead. Its single-tower layout is narrower than many dual-tower coolers, but its 157 mm height still places it in the standard tower-cooler category. ([thermalright.com](https://www.thermalright.com/product/ultra-120-extreme-evo-rev-5/?utm_source=openai))

Q: Will this CPU cooler fit in my PC case?

A: It fits cases that support CPU coolers at least 157mm tall. Check the case specification before buying and allow additional room for side-panel clearance and motherboard components.

Q: Is this cooler compatible with my Intel or AMD processor?

A: It supports Intel LGA115X, LGA1200, LGA1700, LGA2011, and LGA2066, plus AMD AM4 and AM5. Confirm that your motherboard uses one of these sockets before installation.

Q: Will it interfere with tall RAM modules?

A: The product data does not specify an exact RAM-clearance measurement. Because this is a 157mm tower cooler with a front-mounted 120mm fan, tall memory heat spreaders may affect fit depending on the motherboard layout and fan position. Check the motherboard and RAM dimensions, and install the RAM before mounting the cooler when practical.

Q: Is this CPU cooler quiet enough for gaming and everyday use?

A: The fans are PWM-controlled and rated at up to 33.3dBA and 2400RPM. They can provide strong airflow during heavy loads, but operation near maximum speed may be audible. PWM control allows the motherboard to reduce fan speed when cooling demand is lower.

Q: Who is this cooler suitable for?

A: It is suited to desktop gaming, multitasking, and creator workloads that use a standard Intel or AMD socket supported by the mounting hardware. The dual 120mm fans and six heat pipes provide substantial air-cooling capacity, but suitability for unrestricted high-power overclocking depends on the processor, power limits, case airflow, and ambient temperature.

Q: Is the Thermalright Ultra 120 Extreme Snow REV.5 worth buying instead of a dual-tower cooler?

A: It is a reasonable choice when you want a 157mm single-tower cooler with dual 120mm fans and better RAM clearance than many larger dual-tower designs. A dual-tower cooler may provide stronger cooling for high-power CPUs, so the REV.5 is better suited to balanced mainstream gaming and productivity builds than maximum-performance thermal loads.

Q: Will this cooler fit in a compact or ITX PC case?

A: Only if the case supports at least 157mm of CPU-cooler height. Reddit discussion specifically identifies 157mm as relatively tall for smaller cases, so users should verify the case’s stated CPU-cooler clearance before buying.

Q: Is the Ultra 120 Extreme Snow REV.5 suitable for builds where RAM clearance matters?

A: It is more suitable than many dual-tower coolers because it uses a single tower, but the front fan can still overlap tall memory modules depending on the motherboard layout and fan position. Check the RAM height and allow for possible fan-height adjustment before installation.

Q: Is this cooler a good match for a Ryzen 7 7800X3D or similar gaming CPU?

A: Yes, it is a suitable air-cooling option for a Ryzen 7 7800X3D-class gaming system when the case has adequate airflow. Community discussion places the REV.5 as a balanced option for that CPU, while also noting that lower-cost coolers may already be sufficient and larger coolers are preferable for substantially higher-power processors.