Increasing triple channel memory

hardware:
-ASUS P6T LGA 1366 Intel X58 ATX Intel Motherboard
-6gb corsair triple channel DDR3 1600 (PC3 12800)

I can no longer buy the same memory sticks as they are discontinued,
http://www.newegg.ca/Product/Product.aspx?Item=N82E16820145289
I am using 3/6 memory slots in triple channel, if i use the other 3 slots will it still be in triple channel mode?

looking at newegg, matching up my speed and triple channel i found these
http://www.newegg.ca/Product/Product.aspx?Item=N82E16820145295
would my effective total memory be 12GB in triple channel?

 

Yes, you'd end up with 12GB total.

 

and the triple channel would remain?

 

Yes, you will get 12GB with triple channel