I've had back plates on all of my Cards and have never noticed a decrease in Temps after installing them, as Belgolas stated strictly for aesthetics / protecting PCB....get a high flow bracket for additional cooling.
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At lower loads, they actually do drop temps by quite a significant amount if you have a side fan. (5-7c) |
I've got a modded TJ09 with a Xiggy 140mm blowing from the side directly on my Cards...before / after backplate installation (480/ 580) no difference, after high flow braket install...2-4C Delta...