Updating Computer Need Some Help.

[Crazypancake03]

So I need a new gpu, mobo, ram, psu.

I have a Intel i5 2500K 3.3ghz and want to overclock so I need a good mobo for that and 8Gb ram and a gpu that will play the likes of battlefield 4 on high or ultra and upcomeing games on high.

And a psu I'm not sure what wattage to go for.

I have £400 to spend.

My monitor is 1920x1080.
Also I have a case and hdd.

 

[Blaise170]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Motherboard: MSI Z77A-G43 Gaming ATX LGA1155 Motherboard (£79.99 @ Novatech)
Memory: PNY XLR8 8GB (2 x 4GB) DDR3-1600 Memory (£38.25 @ Amazon UK)
Video Card: XFX Radeon HD 7970 GHz Edition 3GB Video Card (£227.40 @ Aria PC)
Power Supply: Corsair CX 600W 80+ Bronze Certified Semi-Modular ATX Power Supply (£54.62 @ Amazon UK)
Total: £400.26
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-21 16:52 GMT+0000)

 

[ksham]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Motherboard: MSI Z77A-G43 ATX LGA1155 Motherboard (£67.98 @ Ebuyer)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory (£61.99 @ Amazon UK)
Video Card: Gigabyte Radeon R9 280X 3GB Video Card (£228.43 @ Aria PC)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply (£49.24 @ CCL Computers)
Total: £407.64
(Prices include shipping, taxes, and discounts when available.)