1xgtx570 Intel Core i7-3820 testing with a ASRock X79 Extreme11 and NVIDIA GeForce GTX 570 HD on CentOS 6.3 (Final) via the Phoronix Test Suite. 1 x GTX570: Processor: Intel Core i7-3820 @ 3.60GHz (4 Cores), Motherboard: ASRock X79 Extreme11, Chipset: Intel Xeon E5/Core, Memory: 8 x 4096 MB DDR3-1333MHz, Disk: 128GB M4-CT128M4SSD2, Graphics: NVIDIA GeForce GTX 570 HD, Audio: Intel C600/X79, Network: Broadcom NetLink BCM57781 Gigabit PCIe OS: CentOS 6.3 (Final), Kernel: 2.6.32-279.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20120305 + CUDA 5.0, File-System: ext4 CUDA bandwidthTest 5.0 Memory type: Pageable memory - Memory transfer path: Device to host MB/sec > Higher Is Better 1 x GTX570 . 5667.93 |========================================================= CUDA bandwidthTest 5.0 Memory type: Pageable memory - Memory transfer path: Host to device MB/sec > Higher Is Better 1 x GTX570 . 5940.10 |========================================================= CUDA bandwidthTest 5.0 Memory type: Pageable memory - Memory transfer path: Device to device MB/sec > Higher Is Better 1 x GTX570 . 131181.97 |======================================================= CUDA bandwidthTest 5.0 Memory type: Non-pageable system memory - Memory transfer path: Device to host MB/sec > Higher Is Better 1 x GTX570 . 6317.03 |========================================================= CUDA bandwidthTest 5.0 Memory type: Non-pageable system memory - Memory transfer path: Host to device MB/sec > Higher Is Better 1 x GTX570 . 6347.80 |========================================================= CUDA bandwidthTest 5.0 Memory type: Non-pageable system memory - Memory transfer path: Device to device MB/sec > Higher Is Better 1 x GTX570 . 131208.07 |=======================================================