Pls give me some advice: i5 2500k, HD 6870, 8GB DDR3

Hi, this is the first time I am building my own pc so I need some advice.
I'm consider the following spec
and would like to know if there is any thing that I need to add,
like is the power supply enough?
Do I need to add more fan/cooling system?
Are the cpu, gpu, memory and hard drive compatible with the motherboard?
Would it be noisy or generate lots of heat?

Thanks in advance!

Gigabyte P67A-UD3-B3 ATX LGA1155 P67 DDR3 3PCI-E1 2PCI 1PCI-E16 CrossFireX SATA3 USB3.0 Motherboard

Intel Core i5 2500K Quad Core Unlocked Processor LGA1155 3.3GHZ Sandy Bridge 6MB

Corsair XMS3 CMX8GX3M2A1600C9 8GB 2X4GB DDR3-1600 CL9-9-9-27 240PIN Core i5 i7 AMD Memory Kit

Sapphire Radeon HD 6870 900MHZ 1GB 4.2GHZ GDDR5 2XDVI 2XMINI DisplayPort HDMI PCI-E Video Card

Hitachi Deskstar 7K1000.C 1TB 1000GB Hard Drive SATA2 7200RPM 32MB Cache 3.5IN OEM

LG GH22NS50 Black 22X SATA DVD Writer OEM

Antec Three Hundred Mini Tower Gaming Case 300 ATX 3X5.25 6X3.5INT No PS Front USB & Audio

Coolermaster Silent Pro 700W Modular Power Supply SLI ATX12V 24PIN Active PFC 2X8PIN PCI-E 135mm Fan

BenQ G2222HDH Black 21.5IN Widescreen LCD Monitor 1920X1080 5ms 40000:1DC VGA HDMI *IR-$25*

Total ~1000
5 answers Last reply Best Answer
More about give advice 2500k 6870 ddr3
  1. Btw, are there any webpages that would allow me to check if they are compatible??
  2. Best answer
  3. christop said:
    Check out this psu. Your build will be fine.

    Thanks for your opinion.

    Can you tell me why this psu is better?
  4. Best answer selected by saintshing.
  5. I will just say I have used that psu in 3 builds now and has had no problems. As for you build being compatible I will say it will work fine. I have built over 50 computers in my time and have yet to have a component not work with the rest of the system. The link below is for another psu that I have used in a few builds. If you were wanting to stick with a 700watt.
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