Memory Intel Core i5-4690K testing with a ASUS Z97-E and Intel HD 4600 on Ubuntu 15.04 via the Phoronix Test Suite. 2000mhz: Processor: Intel Core i5-4690K @ 3.90GHz (4 Cores), Motherboard: ASUS Z97-E, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 1000GB Western Digital WD10EARX-00N, Graphics: Intel HD 4600 (1200MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 10.5.9, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 1680x1050 CacheBench Write Cache MB/s > Higher Is Better 2000mhz . 17589.86 |=========================================================== CacheBench Read Cache MB/s > Higher Is Better 2000mhz . 3304.36 |============================================================ Stream 2013-01-17 Scale MB/s > Higher Is Better 2000mhz . 15816.66 |=========================================================== Stream 2013-01-17 Copy MB/s > Higher Is Better 2000mhz . 22941.76 |=========================================================== Stream 2013-01-17 Add MB/s > Higher Is Better 2000mhz . 17802.66 |=========================================================== RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better 2000mhz . 15554.05 |=========================================================== RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better 2000mhz . 14853.23 |=========================================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better 2000mhz . 14849.99 |=========================================================== RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better 2000mhz . 13691.40 |===========================================================