How to build a gaming pc, limited budget

[cristen]

im a newbie, can u help me check if this is ok for gaming and if i can overclock this. very limited budget, would really appreciate your response.... thanks in advance
Palit GTX550 Ti 1gb ddr5 192bit hdmi
Asus P8Z68-V LE Z68/Virtu/ISRT
Intel Core i5-2500K
Huntkey APFC 700w
Corsair 4GB ddr3 (VS4GB1333D3) x 2
1.0TB WD Blue
Asus 24x 24B3ST
AeroCool StrikeX
Windows 7 Home Premium OEM
D-Link 525 WiFi G
23” LG E2351VR LED 1920x1080 hdmi

 

[Zero_]

Spend less on CPU and more on GPU. Overclocking your CPU will give you no improvement in gaming performance if your GPU is too slow to utilize it.

I'd suggest getting an i5 2310 + H77 board and bump up the graphics to a HD7850. Also, pick a better PSU. Antec VP450 should be plenty for that build.

Check the $800 build in my sig for a better idea of what I'm saying.

 

[bigcyco1]

Rosewill CHALLENGER Black Gaming ATX Mid Tower Computer Case, comes with Three Fans-1x Front Blue LED 120mm Fan, 1x Top 140mm ...
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Update

ASRock Z68 Extreme3 Gen3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

ASRock Z68 Extreme3 Gen3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
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HIS H785F2G2M Radeon HD 7850 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card

HIS H785F2G2M Radeon HD 7850 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
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OCZ ModXStream Pro 600W Modular High Performance Power Supply compatible with Intel Sandybridge Core i3 i5 i7 and AMD Phenom

OCZ ModXStream Pro 600W Modular High Performance Power Supply compatible with Intel Sandybridge Core i3 i5 i7 and AMD Phenom
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Update

Intel Core i3-2120 Sandy Bridge 3.3GHz LGA 1155 65W Dual-Core Desktop Processor Intel HD Graphics 2000 BX80623I32120

Intel Core i3-2120 Sandy Bridge 3.3GHz LGA 1155 65W Dual-Core Desktop Processor Intel HD Graphics 2000 BX80623I32120
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$124.99 $124.99


Update

G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-8GBRL

G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-8GBRL
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HITACHI Deskstar 7K1000.D HDS721050DLE630 (0F13178) 500GB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive

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SAMSUNG 22X DVD Burner SATA Model SH-222BB/BEBE

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$16.99 $16.99
Subtotal: $750.92
----------------------------------------------------------------------------------------CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($233.65 @ NCIX US)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard ($147.86 @ Newegg)
Memory: G.Skill Sniper Low Voltage Series 8GB (2 x 4GB) DDR3-1600 Memory ($49.99 @ Newegg)
Hard Drive: Seagate Barracuda 500GB 3.5" 7200RPM Internal Hard Drive ($69.99 @ NCIX US)
Power Supply: SeaSonic 620W ATX12V / EPS12V Power Supply ($69.99 @ Newegg)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($17.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (64-bit) ($99.99 @ Newegg)
Total: $ GPU:SAPPHIRE Radeon HD 6870( $159.99@ Newegg)

Case: COOLER MASTER Elite 430 ($44.99@ Newegg)

comes out to around $895: