# Thermalright Peerless Assassin 120 SE EXTREM CPU Air Cooler | 154mm Height, Dual 120mm PWM Fans, AM5/AM4, LGA1700 **Brand:** Thermalright **SKU:** knb5100 **ASIN:** B0FQ5MF5D5 **Canonical URL:** https://crowcrowcrow.com/p/thermalright-peerless-assassin-120-extrem-cpu-air-cooler-heat-pipes-dual-pwm-fans-aghp/knb5100 **Category:** electronics **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹6,525 **Discount:** 10% **Customer rating:** 4.80/5 from 41 ratings ## Description Thermalright Peerless Assassin 120 SE EXTREM CPU cooler offers superior air cooling with 6 heat pipes and dual 120mm PWM fans. Its 154mm height ensures compatibility with AM5/AM4 and Intel LGA1700/1851 sockets. Enjoy efficient, quiet operation for demanding PC builds, with all duties included and ExpressBox delivery. ## Highlights - Dual Tower Heat Dissipation — Features a dual tower structure with 6 heat pipes and a finely carved copper bottom, paired with dual 120mm PWM fans for superior CPU temperature management and improved heat dissipation efficiency. - Optimized for Indian PC Builds — Designed for high-performance gaming and workstations, this cooler ensures your CPU runs efficiently even in warmer Indian climates, supporting sustained loads without thermal throttling. - Wide Socket Compatibility — Easily installs on Intel LGA1851/1700/115x and AMD AM4/AM5 platforms, ensuring broad compatibility with most modern desktop processors. Includes all necessary mounting accessories. - Quiet & Efficient Operation — Dual 120mm PWM fans operate at up to 1850 RPM with an airflow of 82 CFM, providing excellent cooling while maintaining a noise level of ≤29.6 dB(A) for a quieter computing experience. ## Key features - [Heat Dissipation Combination] The CPU heat sink is a dual tower dual fan structure, with a black anodized top plate, 6 fully electroplated anti-oxidation heat pipes, and a finely carved copper bottom. It is paired with an 1850RPM 120mm PWM fan, which can easily dissipate the CPU temperature and further improve the heat dissipation efficiency of the heat sink. - [Product Specifications] Model: Peerless Assassin 120 SE EXTREM, Size: 125x135x154mm, Heat Sink Material: Aluminum, Fan Size: 120x120x25mm, Fan Speed: 1850RPM+10%, Wind Pressure: 2.1MM H2O, Air Volume: 82CFM, Operating Noise ≤ 29.6dB (A), Fan Interface: 4PIN PWM, Combined with 2 PWM Fans, Can Bring Good Heat Dissipation Effect. - [154mm Heat Dissipation Height] The overall height of the radiator is 154mm, which is compatible with more chassis. The main body is made of all aluminum fins, which can provide a larger heat dissipation area - [Dual PWM Fans] Equipped with 120mm reversing fan blades, the dual fan has a speed of up to 1850RPM and an air volume of 82CFM, providing excellent heat dissipation. The fan has PWM function, which can adjust the speed according to the motherboard temperature without manual adjustment. The attached fan hook is fixed on the twin tower radiator. - [Wide Compatibility] Heat sink compatible with dual platform slots: Intel LGA 1851/1700/1150/1151/1155/1156/1200;AMD: AM4/AM5;The radiator comes with installation accessories, which can be installed according to the installation video or manual. (Note: Installing AMD platform requires using the original motherboard backplane for installation). - [Avoiding Memory Design] The heat sink adopts a chamfered design that avoids memory. When installing the fan, it is not blocked by the memory. If the memory height exceeds too much, the fan can be installed upwards. Twin tower style heat sink enhances heat dissipation performance. ## Why choose this product **Superior Cooling Performance** — The Thermalright Peerless Assassin 120 SE EXTREM utilizes a dual tower heatsink with 6 AGHP heat pipes and dual 120mm PWM fans to deliver exceptional cooling. This advanced design effectively dissipates heat from high-performance CPUs, ensuring stable operation during intense gaming sessions or demanding workloads. Its construction from aluminum and copper, combined with a 154mm height, offers a larger heat dissipation area and broad chassis compatibility, making it a top choice for enthusiasts seeking reliable thermal management for their PC builds. **Ideal for Enthusiasts, Skip if Building a Basic Office PC** — This cooler is perfect for gamers, content creators, and users running high-TDP processors who demand top-tier cooling performance and quiet operation. Its compatibility with the latest Intel and AMD sockets makes it a versatile choice. However, if you are building a basic office PC for light tasks like web browsing or document editing, a simpler, single-tower cooler or the stock CPU cooler may suffice and offer cost savings. ## How to use 1. Ensure your motherboard has the correct socket (Intel LGA1700/1851 or AMD AM4/AM5) and sufficient clearance. Attach the appropriate mounting brackets to the cooler base as per the manual, using the original motherboard backplane for AMD installations. — Prepare Motherboard and Cooler 2. Apply a small amount of thermal paste to the CPU. Carefully align the heatsink over the CPU and secure it using the provided mounting hardware. Tighten screws evenly in a cross pattern to ensure uniform pressure. — Apply Thermal Paste and Mount Heatsink 3. Mount the two 120mm PWM fans onto the heatsink towers using the fan clips. Connect the 4-pin PWM fan cables to the CPU_FAN header on your motherboard. Ensure fans are oriented for proper airflow (typically intake towards the front/rear of the case). — Attach Fans and Connect to Motherboard 4. Double-check all connections and ensure the cooler is securely mounted. Boot up your PC and monitor CPU temperatures using system software to confirm optimal cooling performance. — Final Checks and Boot Up ## Product details | Field | Value | |---|---| | Installation | Requires motherboard backplane for AMD installation. Includes mounting accessories and manual/video guide. | | Power Connector | 4-pin PWM fan header on motherboard | | Power Consumption | 3.36 Watts (approx. per fan) | | Cost per unit | 1 cooler at ₹6,525 — ₹6,525 per cooler | | Shelf life after opening | N/A (Durable component) | | Reapplication math | N/A (Durable component) | | Contraindications | Ensure chassis dimensions and motherboard socket compatibility before purchase. | | Allergens / common irritants | N/A | | Model | Peerless Assassin 120 SE EXTREM | | Cooling Method | Air Cooling | | Heatsink Height | 154 mm (6.06 inches) | | Heatsink Dimensions | 125 x 135 x 154 mm (4.92 x 5.31 x 6.06 inches) | | Heatsink Material | Aluminum, Copper | | Fan Size | 120 x 120 x 25 mm (4.72 x 4.72 x 0.98 inches) | | Fan Speed | 1850 RPM ± 10% | | Fan Connector | 4-pin PWM | | Rated Fan Noise | ≤ 29.6 dB(A) | | Rated Airflow | 82 CFM | | Rated Voltage | DC 12V | | Rated Current | 0.28A (MAX) | | Rated Static Pressure | 2.1 mm H2O | | Intel Socket Compatibility | LGA1851/1700/1150/1151/1155/1156/1200 | | AMD Socket Compatibility | AM4/AM5 | | Memory Clearance | Avoids interference, can be installed upwards if memory is tall | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### Will this CPU cooler fit my processor? This cooler lists compatible sockets in its specifications: Intel LGA1851/1700/1150/1151/1155/1156/1200 and AMD AM4/AM5. Match your CPU socket against the listed mounting support. Included brackets typically cover these sockets, so confirm your specific CPU socket before installing. ### Does this fan support automatic speed control? Yes, this cooler features 4-pin PWM fans. This allows the motherboard to automatically adjust fan speed based on CPU temperature, ensuring efficient cooling and quieter operation when the system is idle. ### How to choose an electronic component fan for my PC? Consider the cooler's TDP rating to match your CPU's heat output, fan size for chassis clearance, socket compatibility (Intel LGA1700/AM5), and noise level (dB(A)). The Thermalright Peerless Assassin 120 SE EXTREM offers high TDP support, broad compatibility, and quiet operation. ### What is the best electronic component fan for high-performance PCs? For high-performance PCs, look for dual-tower coolers with multiple heat pipes and PWM fans, like the Thermalright Peerless Assassin 120 SE EXTREM. It provides excellent heat dissipation for demanding CPUs, ensuring stable performance during gaming and intensive tasks. ### Can I use this CPU cooler daily for gaming? Yes, this cooler is designed for daily use in gaming and demanding applications. Its efficient dual-tower design and PWM fans ensure your CPU remains cool and performs optimally, even during extended gaming sessions. ### Are there any side effects of using this CPU cooler? There are no direct side effects from using this CPU cooler. However, improper installation or incompatibility with your system could lead to suboptimal cooling. Always ensure correct mounting and check compatibility with your motherboard and chassis. ### What are the benefits of the Thermalright Peerless Assassin 120 SE EXTREM? The benefits include superior heat dissipation via its dual-tower design and 6 heat pipes, quiet operation with PWM fans, wide compatibility with Intel and AMD sockets, and a memory-avoiding design for easier installation. ### Is this CPU cooler healthy for my processor? This cooler is designed to keep your processor within safe operating temperatures, which is crucial for its longevity and performance. It effectively dissipates heat, preventing thermal throttling and potential damage from overheating. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0FQ5MF5D5-0.webp 2. https://images.crowcrowcrow.com/B0FQ5MF5D5-3.webp 3. https://images.crowcrowcrow.com/B0FQ5MF5D5-6.webp 4. https://images.crowcrowcrow.com/B0FQ5MF5D5-9.webp 5. https://images.crowcrowcrow.com/B0FQ5MF5D5-12.webp 6. https://images.crowcrowcrow.com/B0FQ5MF5D5-15.webp --- Source: https://crowcrowcrow.com/p/thermalright-peerless-assassin-120-extrem-cpu-air-cooler-heat-pipes-dual-pwm-fans-aghp/knb5100 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 6-8 days. Prices are all-inclusive (duties + GST).