Looks like the correct caddy to me, and that drive will fit the caddy perfectly. I haven't done this on my ASUS, but on a couple of other laptops.
ASUS G75VW
i7-3630QM 2.4Ghz
GTX 660M (2GB)
16GB DDR3 1600Mhz
1TB HDD
2TB HDD
Blu-ray Writer (Pana. UJ-260)