buddhaHome just check 2cards: Processor: Intel Xeon E3-1220 v5 @ 3.50GHz (4 Cores), Motherboard: ASUS P10S WS, Chipset: Intel Skylake, Memory: 64512MB, Disk: 2 x 60GB Patriot Flare + 120GB KINGSTON SA400S3 + 2000GB Western Digital WD20EARS-00M + 120GB INTEL SSDSC2BB12, Graphics: AMD Radeon RX 580 8192MB, Audio: Realtek ALC1150, Monitor: Acer P226HQV, Network: Intel I210 Gigabit Connection OS: Ubuntu 17.10, Kernel: 4.13.0-16-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Driver: amdgpu 1.4.0, OpenGL: 4.5.13496, OpenCL: OpenCL 2.0 AMD-APP (2482.3), Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080 Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better 2cards . 123 |=================================================================