New build for gaming computer

Based on friends recommendations, I'm looking into building a computer this time around.
This is my first time to attempt it so I'd appreciate if anyone could take a look a the build below and highlight any problems or recommendations

The main purpose for the computer is gaming and I'll need everything aside from optical drive and keyboard/mouse which I can salvage from an older computer. I also have a multicard reader in that which I may attempt to use here although that's really a minor thing.
Other than that, I do have a regular HDD and external one so just the SSD will do me for now I'm thinking.

The only thing missing then that I can think of is the PSU (I think 500W might do it) and a case to hold all the digital goodness.
As it is, I think I'm looking at around 900 euro which is a little higher than I'd have liked but then performance is difficult to pass on sometimes....

ps. the below are amazon links as it was just convenient to gather all the parts I wanted although amazon does seem to be better for ordering components to Ireland (compared to say, hardwareversand.de or komplett.ie)

Motherboard: Gigabyte SKT-1155 Z77X-D3H

Processor: i5 3570K

RAM:Corsair 8GB 1600MHz CL9 (2x4GB)

Graphics: Powercolor HD7870 Myst

SSD: Samsung 840 120GB

PSU:

Case:
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More about build gaming computer
  1. enjoy :)

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor (£167.99 @ Aria PC)
    CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (£24.49 @ CCL Computers)
    Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard (£105.35 @ Amazon UK)
    Memory: Corsair XMS3 8GB (2 x 4GB) DDR3-1600 Memory (£57.26 @ CCL Computers)
    Storage: Samsung 840 Series 120GB 2.5" Solid State Disk (£75.99 @ Amazon UK)
    Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£47.99 @ Aria PC)
    Video Card: PowerColor Radeon HD 7870 XT 2GB Video Card (£169.98 @ Ebuyer)
    Case: Corsair 300R ATX Mid Tower Case (£60.06 @ Amazon UK)
    Power Supply: Corsair Enthusiast 750W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£89.08 @ CCL Computers)
    Total: £798.19
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-04-23 02:22 BST+0100)
  2. Cheers. That looks like a pretty handy resource.

    For the parts you did change though, I've heard mixed reports about the extreme 4 because of the thin PCB which is why I picked what I thought was the safer bet in the Gigabyte.

    For the PSU, is the 750W looking ahead to having room to allow future upgrades or do you really think that is required for that current build?

    Lastly I probably won't be overclocking at least at first so I was recommended to use the fan which comes with the processor. Is a new fan going to make much difference?
  3. Your system will use less then 300w in total
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