Do we need extra 6 pin connector psu for zotac gtx 750 & gtx zotac 650

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nostall
Neither of those two cards require a 6pin PCI-E power connection.
But, Do you have enough power with that PSU? Post the exact model and make, or post the information on the label where the model etc. is listed: Should have the maximum power for all the rails listed also. 3.3., 5, 12 volt.
Nvidia recommends a minimum of 400watts for the entire system, with 20amps. minimum on the 12V Rail for a system using one of these cards and not overclocked.
Might help if you told us what CPU and mobo you have, how much RAM, and number of hard drives.
If your power is good, then I would buy the 750, and stick 'er in a PCI-Ex X16 and let 'er run!
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nostall

nostall

Splendid
Nov 28, 2012
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Neither of those two cards require a 6pin PCI-E power connection.
But, Do you have enough power with that PSU? Post the exact model and make, or post the information on the label where the model etc. is listed: Should have the maximum power for all the rails listed also. 3.3., 5, 12 volt.
Nvidia recommends a minimum of 400watts for the entire system, with 20amps. minimum on the 12V Rail for a system using one of these cards and not overclocked.
Might help if you told us what CPU and mobo you have, how much RAM, and number of hard drives.
If your power is good, then I would buy the 750, and stick 'er in a PCI-Ex X16 and let 'er run!
 
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Baburao66

Reputable
Feb 24, 2014
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My psu showing like on the sticker:

1) Ac Input :230v - 5A/3A. 50/60hz

2) Model : Frontech atx p4 power supply JIL 2414G (20+4 pin)

3) Dc Output - 450w

+5v - 45A
+12v - 19A
+3.3v - 28A
SB + 5V - 2A
-12v - 0.8A
+5v + 3.3v - 240w max

my other specs:
motherboard : asus p8h61 mlx3 r2.0
i3 2100 3.10ghz
ram 2*2gb = 4gb
hard disk - 500gb
Current gpu using asus gtx 650 E 1gb ddr5
 
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Baburao66

Reputable
Feb 24, 2014
90
0
4,630
My psu showing like this on the sticker: 1) Ac Input :230v - 5A/3A. 50/60hz 2) Model : Frontech atx p4 power supply JIL 2414G (20+4 pin) 3) Dc Output - 450w +5v - 45A +12v - 19A +3.3v - 28A SB + 5V - 2A -12v - 0.8A +5v + 3.3v - 240w max my other specs: motherboard : asus p8h61 mlx3 r2.0 i3 2100 3.10ghz ram 2*2gb = 4gb hard disk - 500gb
 
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B

Baburao66

Reputable
Feb 24, 2014
90
0
4,630
My psu showing like this on the sticker:

1) Ac Input :230v - 5A/3A. 50/60hz

2) Model : Frontech atx p4 power supply JIL 2414G (20+4 pin)

3) Dc Output - 450w

+5v - 45A
+12v - 19A
+3.3v - 28A
SB + 5V - 2A
-12v - 0.8A
+5v + 3.3v - 240w max

my other specs: motherboard : asus p8h61 mlx3 r2.0
i3 2100 3.10ghz
ram 2*2gb = 4gb hard disk - 500gb
 
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nostall

nostall

Splendid
Nov 28, 2012
3,244
12
23,865
I went to bed, sorry. You indicated that you are currently using an Asus 650E grapics card. That means, given your PSU specs., that that PSU is already running at maximum (12V = only 19amps per label). I don't know anything about the quality of that unit and a google search didn't help much, but it may or may not be able to produce the power listed - depending upon how old it is (electronic parts do age) and how hot it gets internally.
If the PC is running now, without any crashes or lockups, then it might be wise to leave well-enough-alone, unless you are contemplating upgrading your PSU.
Also, an upgrade to a 750 card will not gain you much, if anything, in performance
 
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