Budget built gaming rig..Needing advice.

Pc_noob91

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Feb 3, 2016
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So I had a dell optiplex given to me that I'm turning into a budget gaming rig for my wife. Current specs are:

*Evga 500b 80+
*i7 2600
*8gb ddr3 ballistix sport
*Pny 1050ti
*Windows 10
It currently has a crappy ethernet cable hooked up to it right now that really only works when it wants to. My question is is can I add a wifi card to the Dell mobo or am I stuck with a crappy ethernet connection. All help is appreciated.
 

Pc_noob91

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Feb 3, 2016
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What type of usb should I go with? Im still new to alot of this stuff.
 

Pc_noob91

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I thought about replacing the cable. But I have no idea what I'd replace it with. It came with the computer and I don't know anything about ethernet cables.