1. Peerless Assassin 120 SE V2 is an upgraded version of the Peerless Assassin 120 SE with improved performance 2. PA120 SE V2 Specifications CPU Air Cooler Size: 125(L)x135(W)x155(H)mm (4.92x5.31x6.1 inch); Pure Copper heatpipes Aluminum fins, Equipped With Metal Fasteners For Intel And AMD Platforms For Easier Installation (Note: Please check if your chassis and motherboard are compatible with this size) 3. PWM Fan Specifications Fan Model:TLC12CX28 V2; Fan Size: 120x120x28mm (4.7x4.7x1.1 inches); Fan Speed (RPM): 1850rpm±10%; Power Connector: 4pin; Airflow: 88.89CFM(MAX); Noise Level ≤29.5dB(A) 4. AGHP Technology 6×6mm Heatpipes With AGHP Technology To Solve The Problem Of Reverse Gravity Caused By Vertical/Horizontal Direction, 6 Pure Copper Sintered Heatpipes Pwm Fan Pure Copper Base Full Electroplating Reflow Soldering Process,Aiming To Maximize The CPC Cooling Performance 5. Compatibility Peerless Assassin 120 SE V2 supports: Intel LGA 115X/1200/1700/17XX/1851; AMD AM4/AM5 (Note: To install the AMD platform, you need to use the original motherboard's builtin backplane for installation, which is not included with this product)