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Is there anything to worry about while installing a new PSU and Graphics Card?

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Yes, static is the number 1 killer of installing hardware.

Be sure to touch the case to ground yourself out.
 
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keep your fingers out of the socket ;0
 
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read the instruction carefully and make sure everything is plugged in right, always recheck before turn it on
 
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System Name 4 year old computer
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At this point, how will I know for sure the graphics card will fit? From the pictures, it looks huge and I dunno if it will.
 
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That card will take up two slots but plugs in one PCIe x 16.
 
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System Name 4 year old computer
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Storage 1 Tb
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Case Generic ASUS mini tower
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Mouse Logitech G403/G400s
Keyboard Coolermaster Quickfire TK Cherry MX red
Joined
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Messages
127 (0.03/day)
System Name 4 year old computer
Processor Intel Core i5 3 i5-3350P 3.3 Ghz
Motherboard ASUS CM6730
Memory 16 GBs DDR3 1600
Video Card(s) ASUS STRIX RX 480 8gb
Storage 1 Tb
Display(s) ASUS MG248Q
Case Generic ASUS mini tower
Power Supply Antec HCG-520w
Mouse Logitech G403/G400s
Keyboard Coolermaster Quickfire TK Cherry MX red
Oh, also what do I do if my motherboard has only 20 pins and my power supply has 24, vice versa?
 
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They will work together the extra 4 are just that. extra. But its a sign that something is old and or cheap and should be replaced eventually with the proper hardware.

The CPU 12 volt 4 / 8 pins is ok if its just 4 pin. Just make sure its the correct plug. Do not force a round peg in a square hole
 
Joined
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Messages
127 (0.03/day)
System Name 4 year old computer
Processor Intel Core i5 3 i5-3350P 3.3 Ghz
Motherboard ASUS CM6730
Memory 16 GBs DDR3 1600
Video Card(s) ASUS STRIX RX 480 8gb
Storage 1 Tb
Display(s) ASUS MG248Q
Case Generic ASUS mini tower
Power Supply Antec HCG-520w
Mouse Logitech G403/G400s
Keyboard Coolermaster Quickfire TK Cherry MX red
They will work together the extra 4 are just that. extra. But its a sign that something is old and or cheap and should be replaced eventually with the proper hardware.

The CPU 12 volt 4 / 8 pins is ok if its just 4 pin. Just make sure its the correct plug. Do not force a round peg in a square hole
Speaking of extra pins, I just realized my board is a 4 pin. So should should I buy an adapter or something?
 
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my board is a 4 pin. So should should I buy an adapter or something?

No. Do not use adapters. Just plug the 4 pin half in. Make sure its the correct half the plugs are different. Do not try to put a round peg in a square hole.
 
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