How can i make this pc 1000$ dollars without affecting its performance

The easiest option is to not overclock your CPU. Buy a locked i5, ditch the $140 cooler, get an H97 motherboard, and you save a LOT of money.

You also don't need to spend $120 on a 750w power supply for a rig that won't even draw 400 at stock. Get a decent quality 550w unit and save yourself $50.

You can ditch the DVD reader, since almost nobody has a use for them anymore. Is there any chance you can reuse an old copy of windows?
 

Elemential

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Jan 24, 2015
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PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4690K 3.5GHz Quad-Core OEM/Tray Processor ($218.75 @ OutletPC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($28.98 @ OutletPC)
Motherboard: MSI Z97 PC MATE ATX LGA1150 Motherboard ($81.98 @ Newegg)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($59.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($44.99 @ Amazon)
Video Card: PowerColor Radeon R9 270X 2GB PCS+ Video Card (2-Way CrossFire) ($143.98 @ Newegg)
Video Card: PowerColor Radeon R9 270X 2GB PCS+ Video Card (2-Way CrossFire) ($143.98 @ Newegg)
Case: Corsair Carbide Series 300R Windowed ATX Mid Tower Case ($69.99 @ Newegg)
Power Supply: Rosewill 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($61.50 @ Newegg)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($14.95 @ OutletPC)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.98 @ OutletPC)
Monitor: LG 22M35D 60Hz 22.0" Monitor ($109.99 @ Micro Center)
Keyboard: Cooler Master CM Storm Devastator Gaming Bundle Wired Gaming Keyboard w/Optical Mouse ($26.99 @ NCIX US)
Total: $1096.05
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-12 17:18 EDT-0400
The best I could do
I can replace the r9 270's for an r9 290 but it will cost you $10+
 
I knocked $220 off without affecting performance.
Same CPU, motherboard, GPU and monitor.
Any more will require cpu/mobo/gpu changes:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($199.99 @ Micro Center)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($28.98 @ OutletPC)
Motherboard: Gigabyte GA-Z97X-SLI ATX LGA1150 Motherboard ($114.75 @ OutletPC)
Memory: Crucial Ballistix Sport 8GB (2 x 4GB) DDR3-1600 Memory ($56.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($44.99 @ Amazon)
Video Card: Asus GeForce GTX 970 4GB STRIX Video Card ($329.00 @ NCIX US)
Case: Corsair 300R ATX Mid Tower Case ($59.99 @ Micro Center)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($43.99 @ NCIX US)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($19.79 @ OutletPC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($88.98 @ OutletPC)
Monitor: LG 22M35D 60Hz 22.0" Monitor ($109.99 @ Micro Center)
Keyboard: Cooler Master CM Storm Devastator Gaming Bundle Wired Gaming Keyboard w/Optical Mouse ($26.99 @ NCIX US)
Total: $1124.43
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-12 17:18 EDT-0400
 

Elemential

Reputable
Jan 24, 2015
820
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5,360
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4590 3.3GHz Quad-Core Processor ($186.56 @ OutletPC)
Motherboard: ASRock H97M PRO4 Micro ATX LGA1150 Motherboard ($79.89 @ OutletPC)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($59.99 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($44.99 @ Amazon)
Video Card: MSI GeForce GTX 970 4GB Twin Frozr V Video Card ($329.99 @ Newegg)
Case: BitFenix Comrade ATX Mid Tower Case ($53.40 @ Mwave)
Power Supply: Rosewill 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($61.50 @ Newegg)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($14.95 @ OutletPC)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.98 @ OutletPC)
Monitor: LG 22M35D 60Hz 22.0" Monitor ($109.99 @ Micro Center)
Keyboard: Cooler Master CM Storm Devastator Gaming Bundle Wired Gaming Keyboard w/Optical Mouse ($26.99 @ NCIX US)
Total: $1058.23
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-12 17:23 EDT-0400
A cheap solution
 
Solution
PCPartPicker part list: http://pcpartpicker.com/p/cF8tqs
Price breakdown by merchant: http://pcpartpicker.com/p/cF8tqs/by_merchant/

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($199.99 @ Micro Center)
CPU Cooler: Phanteks PH-TC14PE_RD 78.1 CFM CPU Cooler ($59.99 @ Newegg)
Motherboard: ASRock Fatal1ty Z97X Killer ATX LGA1150 Motherboard ($114.99 @ Micro Center)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1866 Memory ($60.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($47.89 @ OutletPC)
Video Card: MSI GeForce GTX 970 4GB Twin Frozr V Video Card ($329.99 @ Newegg)
Case: Enermax OSTROG ATX Mid Tower Case ($39.99 @ Directron)
Power Supply: EVGA 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($59.99 @ NCIX US)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($19.79 @ OutletPC)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.98 @ OutletPC)
Monitor: LG 22MP55HQ-P 60Hz 22.0" Monitor ($119.99 @ Newegg)
Keyboard: Cooler Master CM Storm Devastator Gaming Bundle Wired Gaming Keyboard w/Optical Mouse ($26.99 @ NCIX US)
Total: $1170.57
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-12 17:28 EDT-0400

without affecting its performance

 

qwerty987123

Reputable
Nov 9, 2014
465
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4,860
PCPartPicker part list: http://pcpartpicker.com/p/vHzVRB
Price breakdown by merchant: http://pcpartpicker.com/p/vHzVRB/by_merchant/

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($222.75 @ OutletPC)
Motherboard: MSI Z97S SLI Krait Edition ATX LGA1150 Motherboard ($99.99 @ Newegg)
Memory: Crucial Ballistix Sport 8GB (2 x 4GB) DDR3-1600 Memory ($56.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($44.99 @ Amazon)
Video Card: Gigabyte GeForce GTX 970 4GB WINDFORCE 3X Video Card ($323.98 @ Newegg)
Case: Thermaltake Versa H22 ATX Mid Tower Case ($34.98 @ Directron)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($43.99 @ NCIX US)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($14.95 @ OutletPC)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) ($88.98 @ OutletPC)
Monitor: Acer S220HQLAbd 60Hz 21.5" Monitor ($99.99 @ Amazon)
Keyboard: Cooler Master CM Storm Devastator Gaming Bundle Wired Gaming Keyboard w/Optical Mouse ($26.99 @ NCIX US)
Total: $1058.58
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-12 17:31 EDT-0400