How much ram should I allocate my specs are

[ClarmonkGaming]

my specs are

ntel core i7 4770k proccesor

asus geforce gtx 760 directcu II oc edition GPU

Nvidia bitfenix prodigy case

asus h78i plus Motherboard

8GB corsair vengeance ddr3 1600 mhz Ram

windows 7 64 bit

corsair h80i cpu water cooler

lg dvd writer

kingston 120 gb ssd now

samsung p3 1tb hard drive

corasir rm series 650w power supply

bitfenix sprectre pro fan with green led

Ftb is on the ssd not the portable hard drive i was wondering how much ram would be good to allocate

 

[Ashzification]

Recommended allocation for the client is between 2 and 5 GB of RAM.
These arguments are also suggested: http://forum.feed-the-beast.com/threads/jvm-arguments-for-modded-minecraft-updated-12-30-13.28994/