3 Hard Drives 1 Power Cable?

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Honorable
Jan 26, 2014
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10,510
So I have 3 Hard Drives atm One 3tb, One 320gb, One 500gb I recently put together my computer and have just added the extra 320gb and 500gb I noticed the cable I had connected to my 3tb Hard Drive had 2 more Power Connectors attached to the cable so I used the extra 2 connectors to power my new hard drives. So here is my question will having 3 Hard Drives attached to that one cable effect the speed/performance of the 3 Hard Drives? Thank you in advance

Cables I am using -> http://www.newegg.com/Product/Product.aspx?Item=N82E16812527006

Power Supply -> http://www.newegg.com/Product/Product.aspx?Item=N82E16817438029&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=