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HD 7750 300w psu

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October 7, 2012 5:22:35 PM

I have a inspiron 580 with 300 watt psu, can i put in a hd 7750 even if my psu is onlt 300w? It claims you need 400w minumum and my computer came with geforce 310 which has a max of 30 watts, the 7750 is said to have max 42 watts. Will the 7750 work?


Sorry I made another post similiar to this...

More about : 7750 300w psu

October 7, 2012 5:59:20 PM

You should be OK with the 7750... an extra 10-15W of power shouldn't cause that PSU to explode. That said, if you can upgrade your power supply, it's always worth it to not run a generic crap-o brand 200-350W unit.
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a c 564 U Graphics card
October 7, 2012 6:25:57 PM

There are two versions of the Radeon HD 7750:

Radeon HD 7750 900 MHz Edition
• Maximum Board Power: 83 Watts
• PCI-E Supplementary Power Connectors: One 6-pin

Original Radeon HD 7750 800 MHz Edition
• Maximum Board Power: 75 Watts
• PCI-E Supplementary Power Connectors: None
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October 8, 2012 12:35:07 AM

BigMack70 said:
You should be OK with the 7750... an extra 10-15W of power shouldn't cause that PSU to explode. That said, if you can upgrade your power supply, it's always worth it to not run a generic crap-o brand 200-350W unit.




Ok, so its not necessary to upgrade my psu, i get that. but if i do upgrade my psu, what should i upgrade it to? (I have a low budget so dont go too high with the prices)

Also, i have heard that you cant upgrade the dell psu to more than 400w, and i have also heard that you cant upgrade the psu at all... Is that true?

I dont know a great deal about computer hardware so any help is greatly appreciated
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October 8, 2012 12:48:40 AM

ko888 said:
There are two versions of the Radeon HD 7750:

Radeon HD 7750 900 MHz Edition
• Maximum Board Power: 83 Watts
• PCI-E Supplementary Power Connectors: One 6-pin

Original Radeon HD 7750 800 MHz Edition
• Maximum Board Power: 75 Watts
• PCI-E Supplementary Power Connectors: None




Thx for the reply, but can you show me where it states the power usage of the card?

Also i would like to get this version of the card: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

what is the max power it draws and does this require a 6 pin connector? Also it is pci express 3.0, will this work in my stock dell inspiron 580 motherboards pci e x16 socket?
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October 8, 2012 12:58:54 AM

BigMack70 said:
As long as you have an ATX case, you should be OK upgrading to most any power supply, to the best of my knowledge.

On a budget, this:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...



I made a slight mistake, the 7750 takes 55 watts (http://www.hwcompare.com/11774/radeon-hd-6770-1gb-vs-ra...)
and on amd website is says max is 61 watts

Im not going to risk it so i guess im going to upgrade my power supply. Thanks i really appreciate your help, i dont really have experience with psu's so this may sound like a stupid question; does the psu you suggested have the sufficient cables to plug in my dell hardware to the psu? So if i install it i just screw it in my stock case and connect the 20 + 4 pin connectors?
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a c 564 U Graphics card
October 8, 2012 6:36:33 AM

ProGamer said:
Thx for the reply, but can you show me where it states the power usage of the card?

Also i would like to get this version of the card: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

what is the max power it draws and does this require a 6 pin connector? Also it is pci express 3.0, will this work in my stock dell inspiron 580 motherboards pci e x16 socket?

The ASUS HD7750-1GD5 has the following measured power consumption (from http://www.techpowerup.com/reviews/ASUS/HD_7750/24.html ):

Furmark: 43 Watts
Gaming: 43 Watts
Blu-ray Playback: 22 Watts
Connected to two monitors: 15 Watts
Idle: 5 Watts

This card does not have or need a 6-pin PCI Express supplementary power connector.

The Dell Inspiron 580's 300 Watt OEM PSU, with its combined +12 Volt continuous current rating of 18 Amps should be able to power your system with a single ASUS HD7750-1GD5-V2.

Your Dell Inspiron 580's motherboard has a PCIe 2.0 x16 slot. A PCIe 3.0 graphics card should be fully backward compatible with the PCIe 2.0 x16 slot on your motherboard.
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October 9, 2012 7:54:48 PM

Best answer selected by progamer.
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