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Asus rog 5870 power supply

Last response: in Components
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July 3, 2010 6:58:17 AM

Hello,

Will this power supply

work with the ASUS ROG MATRIX 5870?

Here are the specifications:

Brand hec
Model XPOWER780
Spec
Type ATX12V v2.3 / EPS12V v2.91
Maximum Power 780W
Fans 1 x 140mm Ultra Quiet Thermal-Controlled Ball Bearing Fan
PFC Active
Main Connector 20+4Pin
+12V Rails 3
PCI-Express Connector 1 x 6-Pin, 1 x 6+2-Pin
SATA Power Connector 4
SLI NVIDIA HYBRID-SLI Certified
CrossFire Certified
Efficiency Up to 87%
Over Voltage Protection Yes
Overload Protection Yes
Input Voltage 100 - 240 V
Input Frequency Range 50/60 Hz
Input Current 10A
Output +3.3V@24A, +5V@17A, +12V1@24A, +12V2@24A, +12V3@24A, -12V@0.5A, +5VSB@3.0A
Approvals UL, FCC, CE, ROHS
Dimensions 6.5" x 5.9" x 3.4"
Features
Connectors 1 x Main connector (20+4Pin)
1 x 4Pin ATX 12V
6 x peripheral
4 x SATA
1 x Floppy
2 x PCI-E
a c 139 ) Power supply
a b Ĉ ASUS
July 3, 2010 9:53:01 AM

Hello khirty2000;

You didn't mention what else that XPOWER780 PSU will be powering besides the ASUS ROG Matrix 5870.
And that's important because the XPOWER780 is actually a 600W PSU. I know that 780 is misleading but when you look at the data plate this is what you see:

Total output 600W, MAX. output 780W

While the PSU can PEAK at 780W it's continuous rating is actually 600W.

This HardOCP review of the ASUS ROG Matrix 5870 shows the power requirements in a system with an OC'd i7 920 (see page 2 of review for full system specs) range from 437W at full load to 524W with the ROG Matrix 5870 further overclocked.

My opinion is that the Hec XPOWER780 PSU is not a good choice for a serious gaming system and doesnt match the quality or total power requirements of the ASUS ROG Matrix 5870 in a high end gaming system.

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a b ) Power supply
July 3, 2010 3:01:49 PM

a corsair 650hx would be more suitable. hec doesnt make very good power supplies.
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July 3, 2010 7:07:38 PM

yikes, are their 6 to 8 adapters? I foolishly purchased it already...

thanks for the input guys
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a c 139 ) Power supply
a b Ĉ ASUS
July 3, 2010 10:40:02 PM

Yes there are. In fact there should be one adapter in the accessory pack of the card.
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a c 139 ) Power supply
a b Ĉ ASUS
July 3, 2010 10:50:37 PM

OK, there are two 6 to 8 adapters. But they 'adapt' 2x 6 pin PCI-e power leads into 1 8pin. Since you're on just 1x6 and 1x8 you're missing the 2nd x6 power lead to fill out the 6 to 8 adapter.

It's still not too late to go out and get a new power supply.
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