whats difference between TP-LINK TL-WN722NC and TP-LINK TL-WN722N

[rawporkchop]

im looking at buying a wifi adapter and want to know the difference between tham (i cant have pci card because my gpu covers the slot)

 

[Someone Somewhere]

Looks like one has an extension cable and stand, but that's it. It lets you get the aerial further from any metal.

Your case only has two slots? What mobo/case?