In order to take advantage of all of the functionality of the CM Storm QuickFire TK on Mac, you'll need to download and install Karabiner (free) and drop in a custom private.xml file.
Cooler Master Cm Storm Quickfire Tk
Cm storm quickfire tk GAMING KEYBOARD The Quick Fire TK is the latest gaming keyboard from Cooler Master that offers gamers super fast response times thanks to the technical design of this mechanical keyboard.
Cm Storm Quickfire Tk Lighting Modes
You'll want to keep any mappings specific to your TK inside of the specific item tags or else they'll interfere with other input devices (eg. MacBook keyboard).
Cm Storm Quickfire Tk Manual
The QuickFire Rapid config includes media key assignments and command/option key swaps to behave more like a Mac. The QuickFire TK config enables correct NUMLK functionality, as well as the command/option key swaps. I didn't have any issues with the TK media keys out of the box, but the Rapid media key mappings should be interchangeable.