~/memtest 2 x Intel Xeon E5520 testing with a Dell 0N051F and Matrox s MGA G200eW WPCM450 on CentOS 6.4 via the Phoronix Test Suite. Intel Xeon E5520: Processor: 2 x Intel Xeon E5520 @ 2.26GHz (16 Cores), Motherboard: Dell 0N051F, Chipset: Intel 5500 I/O + ICH10R, Memory: 32768MB, Disk: 449GB PERC 6/i, Graphics: Matrox s MGA G200eW WPCM450, Network: Broadcom NetXtreme II BCM5716 Gigabit OS: CentOS 6.4, Kernel: 2.6.32-358.14.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: nfs RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better Intel Xeon E5520 . 10187.46 |================================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better Intel Xeon E5520 . 8696.34 |=================================================== RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better Intel Xeon E5520 . 10483.53 |================================================== RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better Intel Xeon E5520 . 10089.66 |================================================== Stream 2013-01-17 Add MB/s > Higher Is Better Intel Xeon E5520 . 10122.25 |================================================== Stream 2013-01-17 Copy MB/s > Higher Is Better Intel Xeon E5520 . 8965.59 |=================================================== Stream 2013-01-17 Scale MB/s > Higher Is Better Intel Xeon E5520 . 9468.73 |=================================================== CacheBench Read Cache MB/s > Higher Is Better Intel Xeon E5520 . 1909.65 |=================================================== CacheBench Write Cache MB/s > Higher Is Better Intel Xeon E5520 . 6381.86 |===================================================