Question 1

i have a new asus z97-a. is this g.skill 2800 that much faster than say a 1600 vs the price diff?  i'll be putting a i7-4770k or i7-4790k in this board. 
tia

Accepted Answer

2800 and 1600 refer to the speed of the RAM in MHz. So the 2800 would be almost double the speed. Verify that your processor is compatible with the RAM (it should be), and as long as it is compatible, I would recommend the 2800. The extra cost is worth it if you are doing anything RAM intensive, such as video/audio processing, photoshop, gaming, and pretty much anything related to multimedia.

Question 2

Is this compatible with the Asus Rampage IV Black Edition Motherboard?

Accepted Answer

It is compatible, note that you may have to turn on XMP in the BIOS when you receive this RAM

Question 3

Will this work on a motherboard that only supports up to DDR3 2600 RAM? I ask because this is half the price of a 2600 kit.

Accepted Answer

Yes, the RAM has timings for different speeds. It's just rated to run up to 2666 MHz, but can do lower if desired.

Question 4

will this work with a ASUS CROSSBLADE RANGER FM2+ AMD A88X (Bolton D4) HDMI SATA 6Gb/s USB 3.0 ATX AMD Motherboard?

Accepted Answer

Yes. It should work. You might have to manually set the speed in the BIOS but that isn't a huge deal. Ideally though, you want to get a kit of 4 memory modules as this will improve performance slightly for the CPU installed on that motherboard. By slightly I mean anywhere from 6%-9%+ uplift in performance.

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