XBRdepot 1 Pack of 4 Premium Self-Stick Aluminum Heatsinks for XBOX 360 RAM ANA and Southbridge Cooling (4 individual PCS) These Premium Aluminum Heatsinks are a perfect solution for cooling your XBOX 360 RAM and ANA/Southbridge chips. Pure aluminum construction, strong thermal-adhesive self-stick backing Can be removed and re-applied Measures approx 15mm x 15mm x 9mm Drop temps by 10 or more degrees F!