Upgrading suggestions 1500 budget

[airborne123]

Looking to upgrade my 3 year old rig to maintain maximum settings on all the new games

System Usage from Most to Least Important:
Mostly gaming will maxed settings

Preferred Website(s) for Parts: (e.g.: newegg.com

Current Build:
CPU: Intel I5 3570K 3.4 GHZ

Motherboard: Gigabyte GA-z77x-UD3h CROSSFIRE/sli sata 3

CORSAIR 30G NOVA 2 SATA 2 SSD

MEMORY: 4GB CORSAIR VENGEANCE 1866MHZ DDR3

STORAGE: X2 WD VELOCIRAPTOR SATA 3 1TB 10K RPM 64MD HD

GRAPHICS: SUPERCLOCKED 2X EVGA 2GB GTX 670 NOT SLI

POWER SUPPLY CORSAIR CMPSU-850TX

CASE: CORSAIR OBSIDIAN 800D

 

[ATMINSIDE]

Get a CPU cooler, overclock your CPU.
Get 2x4GB or 2x8GB DDR3 2133 CL9 to replace your current RAM.
Grab a 250GB or 500GB 850 EVO SSD.
Get an EVGA 970 ACX 2.0, unless you're playing at 4K. If you're at 4K, get a 980.