right this is my machine i want to upgrade the graphics card i was thinking about taking out the xfx r9 280x 3gb replacing it with the SAPPHIRE HD 7970 GHz Edition 6GB so i will have SAPPHIRE HD 7970 GHz Edition 6GB and a SAPPHIRE HD 7970 GHz Edition 3GB in my machine will that work well...or would you say try and sell both my cards and try and get two SAPPHIRE HD 7970 GHz Edition 6GB..im just trying to get the best for my money i ent got a lot to spend about 250 i want to boost up my graphics..this is my spec kind regards and thanks
ASUS P8Z77-V motherboard with wi-fi adapter
Intel i5-3570K Quadcore
16gb ddr3 1600 corsair ram
water Cooler Master Nepton 140XL cpu cooler
ocz zx 1250 watt gold psu
1x SAPPHIRE HD 7970 3GB Vapor-X Edition graphic card
crossfire graphics
1x xfx r9 280x 3gb graphic card
SSD Kingston HyperX 120GB SATA3 3K 2.5-inch Gaming Solid State Drive
2x Seagate Barracuda 1TB 3.5" 7200RPM SATA III 64MB, 6Gb/s Hard drive HDD
Dvdrw drive
ASUS P8Z77-V motherboard with wi-fi adapter
Intel i5-3570K Quadcore
16gb ddr3 1600 corsair ram
water Cooler Master Nepton 140XL cpu cooler
ocz zx 1250 watt gold psu
1x SAPPHIRE HD 7970 3GB Vapor-X Edition graphic card
crossfire graphics
1x xfx r9 280x 3gb graphic card
SSD Kingston HyperX 120GB SATA3 3K 2.5-inch Gaming Solid State Drive
2x Seagate Barracuda 1TB 3.5" 7200RPM SATA III 64MB, 6Gb/s Hard drive HDD
Dvdrw drive