doug Intel Core i5-4300U testing with a LENOVO 20AQCTO1WW and Intel Haswell-ULT IGP on Ubuntu 15.10 via the Phoronix Test Suite. iozone-1: Processor: Intel Core i5-4300U @ 2.90GHz (4 Cores), Motherboard: LENOVO 20AQCTO1WW, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 128GB SAMSUNG MZ7TD128 + 2000GB My Passport 0827, Graphics: Intel Haswell-ULT IGP (1100MHz), Audio: Intel Haswell-ULT HD Audio, Network: Intel Connection I218-LM + Intel Wireless 7260 OS: Ubuntu 15.10, Kernel: 4.2.0-16-generic (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.17.2, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.0.2, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 1920x1080 IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better iozone-1 . 5232.42 |=========================================================== IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better iozone-1 . 100.58 |============================================================