Changing Gigabyte R9 270 OC Thermal Paste

I noticed temperatures were reaching near 90 degrees Celsius while running furmark for 20 minutes. So I decided to open it, clean it, and put some Arctic Silver 5 thermal paste. This dropped the temperatures to 80 while running furmark and while gaming, it is usually in the 60-70 degree range. See the pictures below for how it looks inside. All I had to do was remove the 4 screws on the bottom and the whole heatsink came off easily. I then used isopropyl alcohol and Q-tips to clean it.

The 4 screws to remove
The 4 screws to remove
The Nasty Stock Paste
The Nasty Stock Paste
All Clean and Shiny
All Clean and Shiny

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