NICE Gaming Computer / NEED Advice

[Drewbyhans]

Specs:

MOBO- GIGABYTE GA-Z77X-UD5H
OS- Win 7 Home 64bit
CPU- Intel Core i5-3570K
Case- Rosewill BLACKHAWK
GPU- Radeon HD 7950
PSU- Corsair TX850M


Questions:

1. Im looking for a Good Hard drive. was wondering if i should go with two 500GB or one 1 TB HDD? Western Digital?


2. Planning on Buying 16GB of Ram for corsair. whats the difference between 1600 and 2400? i believe its the speed? is it worth going for more expensive?


Thanks!

 

[Drewbyhans]

P.S.

Should i get 2x8Gb OR 4x4GB?