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RM550x or EVGA 550W G2 or EVGA 650W G3?

Geotropism
By Geotropism
in Power Supplies
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Go to solution Solved by seon123,

For a 1080? 450W is plenty, even assuming you're overclocking. 

Depending on what's available, Straight Power 11 450W or Whisper M 450W. If neither are available, then the RM550x 2018, RM550x or Formula 450W. 

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Stuck between these three power supplies. Which would be a better pick? I want to go for the 650W G3 but I've heard it has an aggressive fan curve so it's louder and something about only using a fraction of high wattage power supplies lead to inefficiency. Would the G3 be louder or quieter than my old CX750M green variant? 

Gaming PC: i5 8600k @ 5GHz | 16GB G.Skill Trident Z 3200MHz RGB | ASUS ROG STRIX Z370-E | ASUS TURBO GTX 1080 8GB | Corsair H115i Pro RGB | Corsair CX750M | 240GB Crucial SSD | 500GB Seagate 7200rpm | NZXT H500 TG | Windows 10 64 Bit Professional

Peripherals: Corsair K70 LUX (Cherry MX Red) | Beyerdynamic DT990 Pro & Antlion ModMic 4 | Razer Deathadder Chroma 2013 | Fiio E10k DAC & AMP

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Haven't used any of these but an RM550x would be my best guess. G2 is rumored to be loud and G3 to have no overcurrent and over temperature protections.

Main rig: i7 8086K // EVGA Z370 Micro // 16GB Gskill TridentZ 3200Mhz CL14 // Sapphire Pulse RX 7800XT// a variety of noctua cooling // Corsair RM750x v2 //  Fractal Meshify C

Secondary rig: R5 3600 // MSI B450i Gaming Plus // 16GB Gskill FlareX 3200CL14 // MSI GTX 1080ti Gaming X // Cooler Master V650 // Fractal Meshify C

Audio setup: Audient iD4 // Adam A7X // Sennheiser HD 650 // Sennheiser HD 25-II // Audio Technica M50x // Sennheiser Momentum 4

 

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  • Solution

For a 1080? 450W is plenty, even assuming you're overclocking. 

Depending on what's available, Straight Power 11 450W or Whisper M 450W. If neither are available, then the RM550x 2018, RM550x or Formula 450W. 

:)

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7 minutes ago, seon123 said:

For a 1080? 450W is plenty, even assuming you're overclocking. 

Depending on what's available, Straight Power 11 450W or Whisper M 450W. If neither are available, then the RM550x 2018, RM550x or Formula 450W. 

Any reason why I shouldn't go for EVGA?

Gaming PC: i5 8600k @ 5GHz | 16GB G.Skill Trident Z 3200MHz RGB | ASUS ROG STRIX Z370-E | ASUS TURBO GTX 1080 8GB | Corsair H115i Pro RGB | Corsair CX750M | 240GB Crucial SSD | 500GB Seagate 7200rpm | NZXT H500 TG | Windows 10 64 Bit Professional

Peripherals: Corsair K70 LUX (Cherry MX Red) | Beyerdynamic DT990 Pro & Antlion ModMic 4 | Razer Deathadder Chroma 2013 | Fiio E10k DAC & AMP

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10 minutes ago, Beer_Nontitju said:

I'd just take whatever's cheaper

They're all within £1 of each other.

Gaming PC: i5 8600k @ 5GHz | 16GB G.Skill Trident Z 3200MHz RGB | ASUS ROG STRIX Z370-E | ASUS TURBO GTX 1080 8GB | Corsair H115i Pro RGB | Corsair CX750M | 240GB Crucial SSD | 500GB Seagate 7200rpm | NZXT H500 TG | Windows 10 64 Bit Professional

Peripherals: Corsair K70 LUX (Cherry MX Red) | Beyerdynamic DT990 Pro & Antlion ModMic 4 | Razer Deathadder Chroma 2013 | Fiio E10k DAC & AMP

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5 minutes ago, Geotropism said:

Any reason why I shouldn't go for EVGA?

Compared to the PSUs I recommended, both are louder, and the G2 has a below spec hold up time. 

:)

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2 minutes ago, seon123 said:

Compared to the PSUs I recommended, both are louder, and the G2 has a below spec hold up time. 

Thanks. I'll rule out EVGA then. How about Seasonic Focus 750W Gold? How does that compare to the RM550X? I can get it for around £20 cheaper used.

Gaming PC: i5 8600k @ 5GHz | 16GB G.Skill Trident Z 3200MHz RGB | ASUS ROG STRIX Z370-E | ASUS TURBO GTX 1080 8GB | Corsair H115i Pro RGB | Corsair CX750M | 240GB Crucial SSD | 500GB Seagate 7200rpm | NZXT H500 TG | Windows 10 64 Bit Professional

Peripherals: Corsair K70 LUX (Cherry MX Red) | Beyerdynamic DT990 Pro & Antlion ModMic 4 | Razer Deathadder Chroma 2013 | Fiio E10k DAC & AMP

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1 minute ago, Geotropism said:

Thanks. I'll rule out EVGA then. How about Seasonic Focus 750W Gold? How does that compare to the RM550X? I can get it for around £20 cheaper used.

Don't buy a used PSU. 

:)

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Just now, seon123 said:

Don't buy a used PSU. 

Fair enough, thanks. I'll get the Corsair PSU once I have the money. Thanks.

Gaming PC: i5 8600k @ 5GHz | 16GB G.Skill Trident Z 3200MHz RGB | ASUS ROG STRIX Z370-E | ASUS TURBO GTX 1080 8GB | Corsair H115i Pro RGB | Corsair CX750M | 240GB Crucial SSD | 500GB Seagate 7200rpm | NZXT H500 TG | Windows 10 64 Bit Professional

Peripherals: Corsair K70 LUX (Cherry MX Red) | Beyerdynamic DT990 Pro & Antlion ModMic 4 | Razer Deathadder Chroma 2013 | Fiio E10k DAC & AMP

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