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Do low profile cards require power?

Last response: in Graphics & Displays
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August 28, 2011 7:07:10 PM

The thread's name kinda said it. :p 

Low profile cards don't have any pin connector requirements so it shouldn't use power from the psu, just the motherboard, right?
a b U Graphics card
a b V Motherboard
August 28, 2011 7:09:44 PM

Overall, no. Most of the low profiles cards are lower-end GPU's, such as the HD6450 or GT430.
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a b U Graphics card
August 28, 2011 7:11:22 PM

runswindows95 said:
Overall, no. Most of the low profiles cards are lower-end GPU's, such as the HD6450 or GT430.

+1 - most of the lower end dont, but the higher end cards like the HD6850 will need some oomph and require an external power plug
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August 28, 2011 7:20:46 PM

runswindows95 said:
Overall, no. Most of the low profiles cards are lower-end GPU's, such as the HD6450 or GT430.


So, as long as it doesn't require any pin connectors it doesn't require any power from the pus, right?
Also, I thought the 430 was the fastest card without any pin connectors. If not, then which one is the fastest? The 5670?
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a c 196 U Graphics card
a b V Motherboard
August 28, 2011 7:23:00 PM

Most dont require a secondary power connector but ALL require power from the PSU, it just draws power through the PCI-E slot on the motherboard which draws its power from the PSU. The PCI-E slot can provide up to 75W.
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a c 359 U Graphics card
a b V Motherboard
August 28, 2011 7:51:32 PM

All computer components requires power from the PSU. A video card draws power from the PSU through the motherboard. Higher end video cards will also draw power directly from the PSU.

The fastest card that does not require a direct PSU connection is the Radeon HD 6670 which is about 10% more powerful than the HD 5670.

The question is if your PSU has enough power to provide the necessary power the PC after your upgrade.
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August 29, 2011 5:56:26 AM

jaguarskx said:
All computer components requires power from the PSU. A video card draws power from the PSU through the motherboard. Higher end video cards will also draw power directly from the PSU.

The fastest card that does not require a direct PSU connection is the Radeon HD 6670 which is about 10% more powerful than the HD 5670.

The question is if your PSU has enough power to provide the necessary power the PC after your upgrade.


I think 300W is enough, isn't it? I don't have anything special in that PC. The CPU is a dual-core.
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