I was just pricing out a Dell XPS 9100 setup. It had 6GB Tri Channel DDR3 SDRAM at 1333MHz- 3 DIMMs and has 6 slots, so I could add another 12GB kit (4GBx3 DDR3 PC3-12800) from Crucial despite it being a different speed?

Crucial doesn't offer any 1333MHz RAM for the Dell....

::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::