graphic card burn mark

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hello_1

Commendable
Aug 1, 2016
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I did some over clock to my new gtx 950 @+130 clock speed with universal water block on the chip only. after 2 month while im refilling my water loop and taken the gpu out of the slot i realize on the left side of my gpu one of the silver cap printed 1ro on the picture has some black marks on it but others are fine. I want to know what is that cap call and should i put some passive heat sink on them and those little black square chips right next to them as well? im new to water cooling and over clock please help!

gpu chipset pic

 
Solution
dish_moose
The silver looking devices look like surface mount inductors (labeled Lxxx) to me. The black rectangular devices are surface mount capacitors (labeled Cxxx). The devices labeled Qxxx are the mosfets. All these devices together with various resistors make up the phases of the switching regulator to supply the GPU with power. The transistors are likely to generate the most heat. Surface mount components typically use their solder connection to the pcb (printed circuit board) to dissipate heat from the components. For this reason, the board will run hotter without any forced air blowing over the components/pcb.
-Bruce
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hello_1

Commendable
Aug 1, 2016
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it was the stock photo I didn't took a photo of mine but they are very similar plus my gpu still working properly. do you know what the silver cap called?
 
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dish_moose

dish_moose

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Jul 7, 2010
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The silver looking devices look like surface mount inductors (labeled Lxxx) to me. The black rectangular devices are surface mount capacitors (labeled Cxxx). The devices labeled Qxxx are the mosfets. All these devices together with various resistors make up the phases of the switching regulator to supply the GPU with power. The transistors are likely to generate the most heat. Surface mount components typically use their solder connection to the pcb (printed circuit board) to dissipate heat from the components. For this reason, the board will run hotter without any forced air blowing over the components/pcb.
-Bruce
 
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Solution
H

hello_1

Commendable
Aug 1, 2016
15
0
1,510




my bad guys... it doesn't have black marks. just some bubble on the surface which looks like burn mark in my room that doesn't have enough light.
board 1
board 2
 
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