works wonders on my motherboard asrock pro b75 b75 3 chipset while this chipset was not registered in the chipset supports I guess it just takes that megahertz match your motherboard My config: Intel (R) Core (TM) i5-3470 CPU @ 3.20GHz NVIDIA GeForce GTX 760 4 GB of RAM DDR3 1333MHz Non-ECC Elixir 8 GB of RAM DDR3 Kingston Hyper X Savage 1600MHZ Non-ECC (What I have just received today) AsRock B75 Pro 3 Windows 7 Ultimate 64-bit (Delivery times we were respected delivered by chrono-post in 1 workdays command 14h 11h So the next day received no complaints.)