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I bought a new graphics card today an rx580 8gb but I have a 450W psu and it recommends a 500W is it okay to use?

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4 minutes ago, Lazaro Hernandez said:

I bought a new graphics card today an rx580 8gb but I have a 450W psu and it recommends a 500W is it okay to use?

EDIT: Nevermind, Idk if its safe I assumed itd be fine, just wait for someone who knows abt this stuff to come by

 

see here

https://linustechtips.com/main/topic/715942-450w-psu-for-500w-gpu/

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I bought a new graphics card today an rx580 8gb but I have a 450W psu and it recommends a 500W is it okay to use?

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I bought a new graphics card today an rx580 8gb but I have a 450W psu and it recommends a 500W is it okay to use?

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3 minutes ago, Lazaro Hernandez said:

I bought a new graphics card today an rx580 8gb but I have a 450W psu and it recommends a 500W is it okay to use?

What specific 450W PSU do you have?

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Depends on the quality of the PSU. What model is it?

 

Also, no need for all the posts. One is fine.

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1 minute ago, LienusLateTips said:

Depends on the quality of the PSU. What model is it?

 

Also, no need for all the posts. One is fine.

Sorry didn’t know what topic to put it under

 

EVGA 450 BV 80 plus bronze

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Just now, Lazaro Hernandez said:

Sorry didn’t know what topic to put it under

 

EVGA 450 BV 80 plus bronze

I mean, it would work, but if you have the money I'd replace it.

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usually you want to buy a power supply that is double you usage, as can be found in pc part picker, if you are able to undervolt it i would recommend or to get a new psu, something like a 600 or 650 gold 

 

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3 minutes ago, LienusLateTips said:

I mean, it would work, but if you have the money I'd replace it.

Would it be okay to game on it on games like fortnite csgo and call of duty

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If you have the connectors it will be just fine.  Unless you have some 200+watt CPU.  Then maybe it will be a stretch but Id hook it up no problem no questions asked.  Even with adapters for powering it.

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Maximum power draw is only going to be 200-250W on that card. The 500W recommendation is because with the wattage of the CPU and other components, you'll probably be butting up to 400W, and not everyone has a fantastic PSU. Getting too close to the maximum rated wattage can potentially cause issues with power regulation, and 100W gives a good buffer. You'd probably be okay with your 450W PSU, but I'd be looking to upgrade that in general.

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5 minutes ago, Lazaro Hernandez said:

Evga 80 plus bronze [BV, 450W]

This doesn't seem to be a great unit, judging by the review from JonnyGuru: https://www.jonnyguru.com/blog/2018/09/03/evga-450bv-450w-power-supply/6/

I really can't recommend using this unit with an RX 580 system.

 

The wattage is fine, the PSU's quality just is not that great.

Anything from the Tier B at 450W or more would work fine though:

(assuming you have a 'normal' CPU, like a Ryzen 3/5 or i3/i5)

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2 minutes ago, minibois said:

This doesn't seem to be a great unit, judging by the review from JonnyGuru: https://www.jonnyguru.com/blog/2018/09/03/evga-450bv-450w-power-supply/6/

I really can't recommend using this unit with an RX 580 system.

 

The wattage is fine, the PSU's quality just is not that great.

Anything from the Tier B at 450W or more would work fine though:

(assuming you have a 'normal' CPU, like a Ryzen 3/5 or i3/i5)

I have a Ryzen 5 2600

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5 minutes ago, Tristerin said:

If you have the connectors it will be just fine.  Unless you have some 200+watt CPU.  Then maybe it will be a stretch but Id hook it up no problem no questions asked.  Even with adapters for powering it.

I have a Ryzen 5 2600

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2 minutes ago, Lazaro Hernandez said:

I have a Ryzen 5 2600

Then you have nothing to worry about when it comes to wattage overall unless you are running like 100 hard drives as well.

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19 minutes ago, Lazaro Hernandez said:

I bought a new graphics card today an rx580 8gb but I have a 450W psu and it recommends a 500W is it okay to use?

You might be able to just get by on 450 watts, but it's going to be close. It really depends on what your other components are. Do a pcpartpicker list for your components and see how much wattage it says it needs. Even if you are able to get by on 450 watts, I'd recommend upgrading to something like a 550-650 watt PSU to give you room for future upgrades.

I mostly speak from my own past experience from similar problems. My solution may not work for you, but I'll always try my best to help as much as I can. If you want me to see your reply, make sure to quote my comment or mention me @WaggishOhio383, and I'll get back to you as soon as possible.

 

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450 is enough for now. Just avoid overclocking anything for now. Keep everything on stock especially your GPU until you can get a 650 to 750 or an 850 one later.

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11 minutes ago, Antisocial82 said:

usually you want to buy a power supply that is double you usage, as can be found in pc part picker, if you are able to undervolt it i would recommend or to get a new psu, something like a 600 or 650 gold

No. Usually, you buy a good power supply that has at least 20% more headroom of the max power consumption to keep the efficiency curve to its max, usually achievable when the psu reaches the 80% load of its rated wattage. That's not considering future upgrades etc going bigger is a novelty, not a requirement

 

In a worst case scenario, with hard oc and unlocked pl a 580 won't consume more than 270w

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36 minutes ago, Lazaro Hernandez said:

I bought a new graphics card today an rx580 8gb but I have a 450W psu and it recommends a 500W is it okay to use?

If they recommend more for the GPU than what you have, then no, its not okay. It really doesn't need to be any more complicated than that. If they recommend something, they are doing it for a reason. 

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9 minutes ago, Parideboy said:

No. Usually, you buy a good power supply that has at least 20% more headroom of the max power consumption to keep the efficiency curve to its max, usually achievable when the psu reaches the 80% load of its rated wattage. That's not considering future upgrades etc going bigger is a novelty, not a requirement

 

In a worst case scenario, with hard oc and unlocked pl a 580 won't consume more than 270w

I went on pcpartpicker and it said I’m using 360w with my parts do you think I’ll be fine?

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24 minutes ago, WaggishOhio383 said:

You might be able to just get by on 450 watts, but it's going to be close. It really depends on what your other components are. Do a pcpartpicker list for your components and see how much wattage it says it needs. Even if you are able to get by on 450 watts, I'd recommend upgrading to something like a 550-650 watt PSU to give you room for future upgrades.

I went on pc part picker it says I’m using 360w do you think I’ll be okay?

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1 minute ago, Lazaro Hernandez said:

I went on pcpartpicker and it said I’m using 360w with my parts do you think I’ll be fine?

Depends on what other components you are using in your system and, most importantly, brand and quality of the PSU you have at the moment. Even a bad 1000w PSU is garbage compared to a good 400w unit

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GPU: MSI 390 8Gb Gaming Edition ( +295 Mhz core // +120 Mhz memory)  PSU: XFX TS 650w Bronze Enermax Revolution D.F. 650w 80+ Gold

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