DDR 2700 Step Back to DDR 2100?

I have a stick of DDR 2700 Corsair Value Ram and was wanting to put it in a laptop that uses DDR 2100. Will 333mhz RAM step back to work in a laptop that uses 266Mhz ram?

 

Yes. RAM speeds are the maximum speed ratings that are guaranteed, so they will work fine at slower speeds.

 

Sweet i'll give it a try later tongiht. Thanks!