The Thermalright MST-977SLE is an Intel Core 2 Duo socket 775 heatsink designed with motherboards whose MOSFET cooling solutions are a little too bulky and too close the processor socket. It circumvents obvious problems of clearance by elevating the bulk of the cooling fins 45mm above the base. The Thermalright MST-977SLE is a two-heatpipe heatsink, and it doesn't have all that much in the way of surface area for cooling. The compact heatsink measures a modest 90mm tall, about 110mm square. It weighs 430grams.
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