15 minute idle after cooler first boot Intel Core i9-7980XE testing with a ASUS PRIME X299-A and AMD POLARIS10 8192MB on Ubuntu 16.04 via the Phoronix Test Suite. Accelero S3 + RX 480: Processor: Intel Core i9-7980XE @ 4.40GHz (18 Cores / 36 Threads), Motherboard: ASUS PRIME X299-A, Chipset: Intel Device 2020, Memory: 16384MB, Disk: 525GB Crucial_CT525MX3 + 120GB Force MP500, Graphics: AMD POLARIS10 8192MB, Audio: Realtek Generic, Monitor: Acer B286HK, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.10.0-40-generic (x86_64), Desktop: Unity 7.4.0, Display Driver: amdgpu 1.3.0, OpenGL: 4.5 Mesa 17.0.7 Gallium 0.4 (LLVM 4.0.0), Vulkan: 1.0.42, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 3840x2160 Timed Idle GPU Temperature Monitor Celsius < Lower Is Better Accelero S3 + RX 480 . MIN: 31.0 AVG: 32.8 MAX: 34.0