t7500-mem memtest first: Processor: Intel Xeon W5580 @ 3.19GHz (8 Cores), Motherboard: Dell 0D881F, Chipset: Intel 5520 I/O + ICH10R, Memory: 6144MB, Disk: 120GB KINGSTON SV300S3 + 250GB Seagate ST3250820AS, Graphics: XFX AMD Radeon HD 5000/6000/7350/8350 1024MB, Audio: Analog Devices AD1984A, Monitor: DELL E2015HV, Network: Broadcom NetXtreme BCM5761 Gigabit PCIe OS: LinuxMint 17.1, Kernel: 3.13.0-37-generic (x86_64), Display Server: X Server 1.15.1, Display Driver: radeon 7.3.0, OpenGL: 3.3 Mesa 10.1.3 Gallium 0.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900 RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better first . 13385.42 |============================================================= RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better first . 13129.87 |============================================================= RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better first . 13046.69 |============================================================= RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better first . 14474.66 |============================================================= Stream 2013-01-17 Add MB/s > Higher Is Better first . 15161.26 |============================================================= Stream 2013-01-17 Copy MB/s > Higher Is Better first . 13946.80 |============================================================= Stream 2013-01-17 Scale MB/s > Higher Is Better first . 13616.67 |============================================================= CacheBench Read Cache MB/s > Higher Is Better first . 2436.73 |============================================================== CacheBench Write Cache MB/s > Higher Is Better first . 11992.97 |=============================================================