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Is 550W PSU enough?

Octavialicious
By Octavialicious
in Power Supplies
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Go to solution Solved by Fasauceome,
2 hours ago, ckinfos said:

what he said yes it could stand a 550w! on the edge but it would.

Yeah but that's not an opinion, that's just wrong. An overclocked i7 and a Radeon VII would draw around 450 watts sustained, at absolute max.

Posted

Hi there, I'm putting together a new rig but I would like to use my current 550W power supply.

 

It's going to be watercooled (so a pump), an overclocked i7-9700K (nothing crazy, like 4.5 Ghz would be fine) and a non overclocked Vega VII
 

 

ty for ur thoughts

// irenebb-pc v5 // [ღ] Intel i5-9400F [ღ] Radeon VII Lisa Su Edition [ღ] 24GB Crucial Ballistix [ღ] Acer ED323QUR (1440p/144hz) [ღ]

 

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Posted

There are 550W PSU-s in the Tier A+ as well as in Tier D/E, so it might be a great unit or a bad unit.

 

Which manufacturer and model is it? How old is it?

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Posted

it will do. just make sure it is a+, 80%, or gold edition as they call them.

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Posted

We can't figure out if it's good or not when the only detail we have is "550w".

CPU: AMD Ryzen 5 5600X Heatsink: Gelid Phantom Black GPU: Palit RTX 3060 Ti Dual RAM: Corsair DDR4 2x8GB 3000Mhz mobo: Asus X570-P case: Fractal Design Define C PSU: Superflower Leadex Gold 650W

 

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Posted
1 hour ago, ckinfos said:

it will do. just make sure it is a+, 80%, or gold edition as they call them.

That is horrible, horrible advice right there.

CPU: AMD Ryzen 5 5600X Heatsink: Gelid Phantom Black GPU: Palit RTX 3060 Ti Dual RAM: Corsair DDR4 2x8GB 3000Mhz mobo: Asus X570-P case: Fractal Design Define C PSU: Superflower Leadex Gold 650W

 

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Posted

FYI 9700k is 4.6ghz all cores out of the box

CPU: Ryzen 5800X3D | Motherboard: Gigabyte B550 Elite V2 | RAM: G.Skill Aegis 2x16gb 3200 @3600mhz | PSU: EVGA SuperNova 750 G3 | Monitor: LG 27GL850-B , Samsung C27HG70 | 
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FS in Denmark/EU:

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Posted
7 minutes ago, Herman Mcpootis said:

That is horrible, horrible advice right there.

But if you say 80+ really, really fast, it sounds like A+. /s

Profile says Enermax Digifanless 550W.

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Posted (edited)
On 10/2/2019 at 2:49 PM, ckinfos said:


< content removed >

< content removed >

 

On 10/2/2019 at 2:50 PM, DoctorNick said:

FYI 9700k is 4.6ghz all cores out of the box

Indeed, 4.5ghz would be an underclock rather than an overclock hehehe.

 

On 10/2/2019 at 12:33 PM, Octavialicious said:

Hi there, I'm putting together a new rig but I would like to use my current 550W power supply.

I saw on your Profile you've an Enermax Digitalfanless 550W which is adequate for mid tier builds, but given it is fanless and lacks OTP I would refrain from putting a Radeon 7 on it personally.

Edited by LogicalDrm

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Luna, the temporary Desktop:

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Posted

your PSU should be fine as long as there is some good case airflow for the PSU to make use of. 

 

PSU lacks OTP apperantly (credit: @LukeSavenije)

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Posted
Just now, Princess Luna said:

That's not how open forums work.

 

Indeed, 4.5ghz would be an underclock rather than an overclock hehehe.

 

I saw on your Profile you've an Enermax Digitalfanless 550W which is adequate for mid tier builds, but given it is fanless and lacks OTP I would refrain from putting a Radeon 7 on it personally.

you know what...in this forum everytime i say my opinion a PRO will bring up that everything said from me is wrong. People ask opinions in here. I said mine regarding the issue with what the fellow asked. I dont have his full pc info yes but with what he said yes it could stand a 550w! on the edge but it would.

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Posted
6 minutes ago, ckinfos said:

you know what...in this forum everytime i say my opinion a PRO will bring up that everything said from me is wrong.

isnt that good?

to improve on advice you receive from others. 

 

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Posted
  • Solution
2 hours ago, ckinfos said:

what he said yes it could stand a 550w! on the edge but it would.

Yeah but that's not an opinion, that's just wrong. An overclocked i7 and a Radeon VII would draw around 450 watts sustained, at absolute max.

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

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Draws 400 watts under max load, for reference.

 

How many watts do I need? ATX 3.0 & PCIe 5.0 spec, PSU misconceptions, protections explained, group reg is bad

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3 hours ago, Princess Luna said:

That's not how open forums work.

 

Indeed, 4.5ghz would be an underclock rather than an overclock hehehe.

 

I saw on your Profile you've an Enermax Digitalfanless 550W which is adequate for mid tier builds, but given it is fanless and lacks OTP I would refrain from putting a Radeon 7 on it personally.

https://www.jonnyguru.com/blog/2015/05/11/enermax-digifanless-550-550w-power-supply/4/ According to Jon, this thing has OTP.

https://www.tomshardware.com/reviews/enermax-digifanless-550w-power-supply,4125.html Aris says the same thing, it has OTP. I believe it even tripped while testing.

The Digifanless is a solid unit. Nothing really wrong with it.

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
AX1600i owner. https://docs.google.com/spreadsheets/d/1_GMev0EwK37J3zZL98zIqF-OSBuHlFEHmrc_SPuYsjs/edit?usp=sharing My WIP Power Supply Guide.

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Posted
26 minutes ago, OrionFOTL said:

Since when? How?

 

3 minutes ago, PSUGuru said:

The Digifanless is a solid unit. Nothing really wrong with

Oh! Thank you kindly for the correction!

Personal Desktop":

CPU: Intel Core i7 10700K @5ghz |~| Cooling: bq! Dark Rock Pro 4 |~| MOBO: Gigabyte Z490UD ATX|~| RAM: 16gb DDR4 3333mhzCL16 G.Skill Trident Z |~| GPU: RX 6900XT Sapphire Nitro+ |~| PSU: Corsair TX650M 80Plus Gold |~| Boot:  SSD WD Green M.2 2280 240GB |~| Storage: 1x3TB HDD 7200rpm Seagate Barracuda + SanDisk Ultra 3D 1TB |~| Case: Fractal Design Meshify C Mini |~| Display: Toshiba UL7A 4K/60hz |~| OS: Windows 10 Pro.

Luna, the temporary Desktop:

CPU: AMD R9 7950XT  |~| Cooling: bq! Dark Rock 4 Pro |~| MOBO: Gigabyte Aorus Master |~| RAM: 32G Kingston HyperX |~| GPU: AMD Radeon RX 7900XTX (Reference) |~| PSU: Corsair HX1000 80+ Platinum |~| Windows Boot Drive: 2x 512GB (1TB total) Plextor SATA SSD (RAID0 volume) |~| Linux Boot Drive: 500GB Kingston A2000 |~| Storage: 4TB WD Black HDD |~| Case: Cooler Master Silencio S600 |~| Display 1 (leftmost): Eizo (unknown model) 1920x1080 IPS @ 60Hz|~| Display 2 (center): BenQ ZOWIE XL2540 1920x1080 TN @ 240Hz |~| Display 3 (rightmost): Wacom Cintiq Pro 24 3840x2160 IPS @ 60Hz 10-bit |~| OS: Windows 10 Pro (games / art) + Linux (distro: NixOS; programming and daily driver)
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Posted
Just now, LukeSavenije said:

that wasn't that one... i was talking about the nightjar

sorry for missquoting then. 

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11 minutes ago, LukeSavenije said:

that wasn't that one... i was talking about the nightjar

"The" nightjar? There is no "the" Nightjar, there are like 7 different Nightjars. Which one are you talking about?

 

The two "current" ones are ATX sized NJ600 and SFX-L sized NJ450-SXL. Both support OTP. The next older one, from 2014, is Nightjar NJ520 and it support OTP too. So where did you get it doesn't support OTP from?

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Posted
  • Author

ty for all the help, seems like it might be close. I just realized my boyfriend has a 750W, so if it isn't enough and it shuts down we can just trade (his pc draws way less power) 

 

and yes it's the digifanless one, it's pretty nifty 

// irenebb-pc v5 // [ღ] Intel i5-9400F [ღ] Radeon VII Lisa Su Edition [ღ] 24GB Crucial Ballistix [ღ] Acer ED323QUR (1440p/144hz) [ღ]

 

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7 hours ago, Oalei said:

idk how will this affect you, but tommorow is the 3RD of October for me and its currently 07.48PM.

it affected me a lot. thank you. you are very affected.

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Posted
1 hour ago, Octavialicious said:

ty for all the help, seems like it might be close. I just realized my boyfriend has a 750W, so if it isn't enough and it shuts down we can just trade (his pc draws way less power) 

 

and yes it's the digifanless one, it's pretty nifty 

 

Exactly how old is this unit?  Did you buy it 9 months ago or 3 years ago?

 

I calculate your full load power usage around 500 to 550 watts.   I think your unit will hold up, but it would make me feel a bit uncomfortable.   It's a solid unit, though.  I don't see any reason to change it out now.

 

 

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16 minutes ago, FALC0N said:

 

Exactly how old is this unit?  Did you buy it 9 months ago or 3 years ago?

 

I calculate your full load power usage around 500 to 550 watts.   I think your unit will hold up, but it would make me feel a bit uncomfortable.   It's a solid unit, though.  I don't see any reason to change it out now.

 

 

1.5 yr ago I think

// irenebb-pc v5 // [ღ] Intel i5-9400F [ღ] Radeon VII Lisa Su Edition [ღ] 24GB Crucial Ballistix [ღ] Acer ED323QUR (1440p/144hz) [ღ]

 

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Posted
10 hours ago, ckinfos said:

you know what...in this forum everytime i say my opinion a PRO will bring up that everything said from me is wrong

 

The PRO's aren't the ones who do that. This board has a corps of wannabe PSU experts who are very vocal, but not particularly skilled.  They are the usual suspects.  

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Posted
19 minutes ago, Octavialicious said:

1.5 yr ago I think

 

Ok.  So age isn't a cause for concern here.  

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Posted
6 hours ago, OrionFOTL said:

"The" nightjar? There is no "the" Nightjar, there are like 7 different Nightjars. Which one are you talking about?

 

The two "current" ones are ATX sized NJ600 and SFX-L sized NJ450-SXL. Both support OTP. The next older one, from 2014, is Nightjar NJ520 and it support OTP too. So where did you get it doesn't support OTP from?

On one of the fanless nightjars I researched, the review stated that is OTP is faulty and doesn’t work, but it does have it. I’ll find the source of the review when I can.

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
AX1600i owner. https://docs.google.com/spreadsheets/d/1_GMev0EwK37J3zZL98zIqF-OSBuHlFEHmrc_SPuYsjs/edit?usp=sharing My WIP Power Supply Guide.

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