Does anyone know what the maximum weight rating for Heat Sink Fans used on the Sandy Bridge processor family? The Heat Sink that I'm looking to purchase is 755g. I can't find any specs on Intel's website listing that information. Thanks!
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A 755gram cooler will safely mount on your mobo. Never once have i heard of a cooler weighing that much or more damaging a mobo when properly mounted.
Most heavy heatsinks come with backplate mounting systems. As long as this is properly utilized, the mainboard is in no danger. And I've seen heatsinks over 1,000g (1kg), so 755g is a lightweight in comparison.