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Will this PSU support

Last response: in Components
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February 26, 2012 6:33:39 PM

Will this PSU support, 2500k Intel O.C or IVY, HD 6870 O.C, 1 SSD, 2 HD. 4 fans including CPU Cooler.
For second PCI-E i be using the adapter, which will convert molex connection.

If i have to get a new PSU i will, but i will like to keep mine if its possible.




Brand
Rosewill

Model
RP550-2

Spec

Type
ATX12V v2.01

Maximum Power
550W

Fans
1 x Silent 120mm Ball-bearing Blue LED Fan

PFC
No

Main Connector
20+4Pin

+12V Rails
2

PCI-Express Connector
1 x 6-Pin

SATA Power Connector
4

SLI
No

CrossFire
No

Modular
No

Hold-up Time
> 16ms

Efficiency
> 72%

Over Voltage Protection
+3.3V, +5V, +12V1, +12V2

Overload Protection
Yes

Input Voltage
115 / 230 V

Input Frequency Range
50/60 Hz

Input Current
10A/ 5.5A

Output
+3.3V@30A, +5V@50A, +12V1@18A, +12V2@18A, -12V@1A, +5VSB@2.5A

MTBF
100k hours at 25°C, max. load, nominal input

Approvals
CSA,UL,TUV, FCC

Dimensions
5.91" x 3.39" x 5.51"

Weight
2.3 lbs.

Features

Connectors
1x 20+4-Pin Main Connector
1x 4+4-Pin ATX12V/EPS12V Connector
1x 6-Pin PCI-E Connector
6x 4-Pin Peripheral Connector
4x 5-Pin SATA Connector

Features
Complies with ATX12V v2.01 Version
Dual 12V Rails provide independent reliable power
Supports both Intel and AMD Systems
Silent 120mm Ball-bearing Blue LED Fan
Fan Speed Control Switch (low, auto, and high)
Mesh sleeving on main cable for easier cable routing and better ventilation
Black Chrome Mirror Finish
Built-in inrush current, over temperature/current/voltage protection circuits
Safety & EMI Approval: CSA, UL, TUV, FCC

More about : psu support

Best solution

a c 1197 ) Power supply
February 26, 2012 9:39:48 PM

For a system using a single Radeon HD 6870 graphics card AMD specifies a minimum of a 500 Watt or greater power supply. The power supply should also have a combined +12 Volt continuous current rating of 30 Amps or greater and have at least two 6-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Continuous Amperage Available on the +12V Rail(s) is the most important.

The Rosewill Performance Series 550W (RP550-2), with its +12 Volt continuous current rating of 35 Amps and with one 6-pin PCI Express supplementary power connectors, is electrically sufficient to power your system configuration with a single Radeon HD 6870. You will need to use a 4-pin Molex peripheral to 6-pin PCIe adapter cable for the graphics card's second 6-pin PCI Express supplementary power connector.

The Rosewill RP550-2 is not that good of a power supply so it's ability to deliver the power specified on its label while staying within the ATX12V specifications is suspect.
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February 26, 2012 10:02:26 PM

I have to agree completely with ko888 on this. I would simply not trust a Rosewill supply though. I wouldn't trust it to the extent I would buy a new one regardless. Use this list to help you:

http://www.eggxpert.com/forums/thread/323050.aspx

You will find Rosewill down in tier 5, I wouldn't bother with anything other than tier 1,2, or 3.
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February 26, 2012 10:50:13 PM

Thank you for the information and the link, really appreciate it. I will change the PSU to some thing from Tier 1. Just to be on safe side and go with 700 Watt, leaving my self open for future upgrade in CF.
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February 26, 2012 10:50:32 PM

Best answer selected by devils_advocate.
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