no you can't. dual channel is differne tand requires a MB that can use it....
Well, I suppose sometimes the free advice you get is worth exactly what you paid for it!
Yes, you can just buy two individual modules and slam away. "Dual channel kits" are pretty much just a marketing scheme and convenience. It's the memory controller in the chipset (Intel) or CPU (AMD) and the MB design that determines how picky the system is about what it will allow to run in dual-channel mode. The earliest implementations would sometimes need both channels to have pretty much identical modules in order to run in dual-channel mode, but the latest Intel chipsets even allow the two channels to be populated with different-sized modules and still run in dual-channel mode.
If you buy two individual modules that are the same model number, they're just about guaranteed to be identical, anyway. The "dual channel" packs have gone through an additional test to verify that they work in dual channel mode, but with modern mid- to high-end MBs, you shouldn't have a problem.