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Is my Power Supply adequate?


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#1 Ravenous22

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Posted 22 February 2009 - 04:35 PM

I'm using an antec 900 case and have a Radeon 4870 512MB with a Q6600 at stock speed, a Gigabyte EP45-DS3L motherboard, with a set of 2 G.SKILL 1GB 800Mhz DDR2 memory sticks. My power supply is a Raidmax Modular RX-630A 630 Watt. Is this power supply adequate for the hardware I am running it on?

Edited by Ravenous22, 22 February 2009 - 05:21 PM.


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#2 fairjoeblue

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Posted 22 February 2009 - 04:44 PM

Your power supply should be more then adequate as long as it is working properly !
OCZ StealthXstream 700W,Gigabyte GA-EP45-UD3R , E8500, Arctic Freezer Pro 7, 3GB G.Skill PC8500,Gigabyte Radeon HD 4850 OC [1GB ], Seagate 250GB SATA II X2 in RAID 0, Samsung SATA DVD burner.

#3 Ravenous22

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Posted 22 February 2009 - 04:57 PM

i have no reason to suspect its not working properly but to be on the safe side what are some notifications of an inadequate PSU?

#4 fairjoeblue

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Posted 22 February 2009 - 06:04 PM

If the computer has problems starting or suffers from random shut downs/freezing the power supply could be the cause.
If I had a computer with any of the above problems there are many other things I would suspect first though.

A 630 watt power supply is more then adequate to run the system you described.

A half way decent 550 watt power supply would be sufficent !
OCZ StealthXstream 700W,Gigabyte GA-EP45-UD3R , E8500, Arctic Freezer Pro 7, 3GB G.Skill PC8500,Gigabyte Radeon HD 4850 OC [1GB ], Seagate 250GB SATA II X2 in RAID 0, Samsung SATA DVD burner.

#5 Ravenous22

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Posted 22 February 2009 - 06:55 PM

I would need up to 700watts or so says this http://extreme.outervision.com/PSUEngine . Is this calculator accurate?

#6 Sneakycyber

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Posted 22 February 2009 - 07:08 PM

The total wattage isn't the important factor its the total amperage for the 12v Rails. For your specific PSU its rated at 2 12v rails at 16 and 17 amps respectively totaling 33 amps. Your power supply is sufficient for your system. If you are still concerned check the manufactures requirement for your graphics card (the most power hungry component in the case). The only way your PSU might be a tad under powerd is if you were running crossfire or 3 way SLI.


Edit: The calculator according to Tomshardware.com forums is accurate to within 3% or so its been reported. But they make you pay for the important rating which is the amperage requirements

Edited by Sneakycyber, 22 February 2009 - 07:09 PM.

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#7 Ravenous22

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Posted 22 February 2009 - 07:40 PM

Thank you for your insight. I have found this thread useful.

#8 dpunisher

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Posted 22 February 2009 - 08:15 PM

I can say, with a fair amount of confidence, a 4870 with a Q6600 will pull about 330-340 watts fully loaded running Prime95 and Furmark. That's actual watts, not "gross" watts measured at the wall before PSU efficiency losses.

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#9 Ravenous22

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Posted 22 February 2009 - 09:43 PM

interesting, thats reassureing to know

edit: The reason y i suspected i might not have the right PSU wattage was because ive had my 4870 for 5 month and at first it would usually be at 45-48c with the fan speed at 30% but since then the temp at idle goes to 60c on idle at 40% fan speed. Could it just be my gpu fan wearin out or could the have something to do with the PSU?

Edited by Ravenous22, 22 February 2009 - 09:57 PM.


#10 tg1911

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Posted 22 February 2009 - 11:18 PM

Have you cleaned the inside of your computer, lately?
A build up of dust, will decrease the efficiency at which your components can dissipate heat.
Here's a tutorial that should help:
Cleaning the Interior of your PC
MOBO: GIGABYTE GA-MA790X-UD4P, CPU: Phenom II X4 955 Deneb BE, HS/F: CoolerMaster V8, RAM: 2 x 1G Kingston HyperX DDR2 800, VGA: ECS GeForce Black GTX 560, PSU: Antec TruePower Modular 750W, Soundcard: Asus Xonar D1, Case: CoolerMaster COSMOS 1000, Storage: Internal - 2 x Seagate 250GB SATA, 2 x WD 1TB SATA; External - Seagate 500GB USB, WD 640GB eSATA, 3 x WD 1TB eSATA

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#11 Ravenous22

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Posted 23 February 2009 - 12:01 AM

i actually clean it out once a week. =\

#12 fairjoeblue

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Posted 23 February 2009 - 12:06 AM

Sounds loke you keep the inside of your computer really clean !

What about the OS & hard drive ?

Have you done malware & virus scans to make sure you haven't picked up something that is causing the cpu'graphics to be in use unexpectedly ?
OCZ StealthXstream 700W,Gigabyte GA-EP45-UD3R , E8500, Arctic Freezer Pro 7, 3GB G.Skill PC8500,Gigabyte Radeon HD 4850 OC [1GB ], Seagate 250GB SATA II X2 in RAID 0, Samsung SATA DVD burner.

#13 the_patriot11

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Posted 23 February 2009 - 01:17 AM

by any chance has the room temperature increased any? like say, turned up the heat, outside temps getting warmer, etc. etc.?

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Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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