pts-iter3 2 x Intel Xeon E5-2637 v2 @ 3.50GHz (16 Cores), Motherboard: Dell 0VV3F2, Chipset: Intel Xeon E7 v2/Xeon, Memory: 8 x 8192 MB DDR3-1866MHz, Disk: 585GB PERC H710P, Graphics: Matrox s G200eR2, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe, RAID-50 WITH cachecade pts-iter3: Processor: 2 x Intel Xeon E5-2637 v2 @ 3.50GHz (16 Cores), Motherboard: Dell 0VV3F2, Chipset: Intel Xeon E7 v2/Xeon, Memory: 8 x 8192 MB DDR3-1866MHz, Disk: 585GB PERC H710P, Graphics: Matrox s G200eR2, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 14.04, Kernel: 3.13.0-32-generic (x86_64), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1280x1024 pts-iter4: Processor: 2 x Intel Xeon E5-2637 v2 @ 3.50GHz (16 Cores), Motherboard: Dell 0VV3F2, Chipset: Intel Xeon E7 v2/Xeon, Memory: 8 x 8192 MB DDR3-1866MHz, Disk: 585GB PERC H710P, Graphics: Matrox s G200eR2, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 14.04, Kernel: 3.13.0-32-generic (x86_64), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1280x1024 hdparm Timed Disk Reads Disk To Read: /dev/sda1 MB/s > Higher Is Better pts-iter3 . 831.53 |=========================================================== pts-iter4 . 693.28 |=================================================