Aluminum Heatsink & Fan For Intel P4 Socket 423 Product Condition New in Retail Box Warranty 30 days by YOLStore YOLStore Inventory # S423HFAN Need a better heatsink with less noise? This is a great heatsink if that's what you are looking for. This is a brand new AOC Intel P4 Socket 423 Aluminum Heatsink and fan, that will be great for your solution. It comes with a compound that you will need when installing this to onto your cpu. The brackets will keep the heatsink secure to your motherboard, and it's easy to install. This heatsink will be keep your cpu cool and you won't have to hear that loud buzzing noise that you hear on your normal heatsink. This fan will keep your motherboard cool and runs better The fan size on this is 60x60x20mm, and the heatsink is aluminum. There's a 22 CFM air flow in this heatsink. The fan speed of this heat sink is 4500 rpm. The noise level of this heatsink is 30dBA, that is very low for such a good heatsink. Features Aluminum heat sink Intel P4 Socket 423 Supports All Speeds   Specifications Fan Size: 60x 60x20 mm Heatsink Material: Aluminum Air Flow: 22 CFM   Cooler Dimension: 63x90x60 mm   Support CPU Speed Up To: All Speed Fan Speed: 4500 rpm Noise Level: 30 dBA Connector: 3 Pin   Package Includes   1 x Aluminum Heatsink & Fan For Intel P4 Socket 423 1 x Thermal Grease Compound   YOLStore is a subsidiary of Your OnLine, Inc. All Rights Reserved.