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Would an 850w PSU be enough to power a 5820K and 2x 390's?

trainergames
By trainergames
in Power Supplies
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Posted

I am planning a build and i am wondering if an 850w PSU would be enough to power a 5820K and 2x 390's?

 

If so would there be enough head room to overclock or would i have to get a higher wattage?

| I7 2600@4.2Ghz | Corsair A70 w/H100 fans | 16GB DDR3 1333Mhz | MSI Z77A G45 Gaming | Corsair TX650 | XFX R9 380 | 2x 120GB Samsung 840 SSD in RAID 0 | 2x Seagate 500GB in RAID 0 | 750GB Seagate | 500GB WDHDD + 500GB WD USB HDD | Sound Blaster Recon | Antec Sonta Case | HP LP2480zx @1920x1200 | Acer H243H @1920x1080 | BenQ EW2440

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Yes, the wattage will be enough. What PSU model?

CPU: AMD Ryzen 7 5800X3D GPU: AMD Radeon RX 6900 XT 16GB GDDR6 Motherboard: MSI PRESTIGE X570 CREATION
AIO: Corsair H150i Pro RAM: Corsair Dominator Platinum RGB 32GB 3600MHz DDR4 Case: Lian Li PC-O11 Dynamic PSU: Corsair RM850x White

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Yes, the wattage will be enough. What PSU model?

With room for overclocking? Also i don't know which model yet,because before i was thinking was needing a 1000w,but i am thinking of mabye an EVGA.

 

But i will take any suggestions for a PSU.

| I7 2600@4.2Ghz | Corsair A70 w/H100 fans | 16GB DDR3 1333Mhz | MSI Z77A G45 Gaming | Corsair TX650 | XFX R9 380 | 2x 120GB Samsung 840 SSD in RAID 0 | 2x Seagate 500GB in RAID 0 | 750GB Seagate | 500GB WDHDD + 500GB WD USB HDD | Sound Blaster Recon | Antec Sonta Case | HP LP2480zx @1920x1200 | Acer H243H @1920x1080 | BenQ EW2440

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Posted

just enough to power the system with little OC

 

but if you want tp puch both GPU and CPU

 

then yes you need a 1K PSU

 

EVGA or Seasonic or CoolerMaster

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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With room for overclocking? Also i don't know which model yet,because before i was thinking was needing a 1000w,but i am thinking of mabye an EVGA.

 

But i will take any suggestions for a PSU.

What is your budget for the PSU?

CPU: AMD Ryzen 7 5800X3D GPU: AMD Radeon RX 6900 XT 16GB GDDR6 Motherboard: MSI PRESTIGE X570 CREATION
AIO: Corsair H150i Pro RAM: Corsair Dominator Platinum RGB 32GB 3600MHz DDR4 Case: Lian Li PC-O11 Dynamic PSU: Corsair RM850x White

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With room for overclocking? Also i don't know which model yet,because before i was thinking was needing a 1000w,but i am thinking of mabye an EVGA.

 

But i will take any suggestions for a PSU.

850w would work fine as long as it's 80+ Gold or better. If you go EVGA only get the G2 versions as the others are made my FSP.

Mein Führer... I CAN WALK !!

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What is your budget for the PSU?

 

Well the 1000w EVGA G1 i was having on my build was $140 but i am trying to find any where i can cut costs on my build so cheaper than that would be better.

| I7 2600@4.2Ghz | Corsair A70 w/H100 fans | 16GB DDR3 1333Mhz | MSI Z77A G45 Gaming | Corsair TX650 | XFX R9 380 | 2x 120GB Samsung 840 SSD in RAID 0 | 2x Seagate 500GB in RAID 0 | 750GB Seagate | 500GB WDHDD + 500GB WD USB HDD | Sound Blaster Recon | Antec Sonta Case | HP LP2480zx @1920x1200 | Acer H243H @1920x1080 | BenQ EW2440

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Well the 1000w EVGA G1 i was having on my build was $140 but i am trying to find any where i can cut costs on my build so cheaper than that would be better.

This is the cheapest you should get: http://pcpartpicker.com/part/xfx-power-supply-p1850snlb9

CPU: AMD Ryzen 7 5800X3D GPU: AMD Radeon RX 6900 XT 16GB GDDR6 Motherboard: MSI PRESTIGE X570 CREATION
AIO: Corsair H150i Pro RAM: Corsair Dominator Platinum RGB 32GB 3600MHz DDR4 Case: Lian Li PC-O11 Dynamic PSU: Corsair RM850x White

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850w would work fine as long as it's 80+ Gold or better. If you go EVGA only get the G2 versions as the others are made my FSP.

The GS and P2 are better than the G2

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850w would work fine as long as it's 80+ Gold or better. If you go EVGA only get the G2 versions as the others are made my FSP.

The GS line up is made by Seasonic, and it's very high quality too.

System

  • CPU
    I7-4790K @ 4,7GHz
  • Motherboard
    Asus MAXIMUS Formula VI
  • RAM
    Kingston HyperX FURY 16GB Kit (2x8GB) 1866MHz
  • GPU
    MSI GTX 1070 Gaming X
  • Case
    Cooler Master Cosmos SE
  • Storage
    Samsung 840 EVO 500GB+WD Green 3TB
  • PSU
    EVGA SuperNOVA 850G2 80PLUS Gold Certified
  • Display(s)
    ASUS PB277Q 27" WQHD 2560x1440 75Hz 1ms
  • Cooling
    Corsair H105 with AP121s and Phanteks fans
  • Keyboard
    Logitech G610 Orion
  • Mouse
    E-3lue E-Blue Mazer II 2500 DPI Blue LED 2.4GHz Wireless Optical Gaming Mouse
  • Sound
    Audio-Technica ATH-M20x
  • Operating System
    Windows 10
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The GS line up is made by Seasonic, and it's very high quality too.

Your absolutely correct, I forgot to put that in the post, it's 1:45 am here. :D

Mein Führer... I CAN WALK !!

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The GS and P2 are better than the G2

The GS is great, but the G2, P2 and T2 are outstanding.

System

  • CPU
    I7-4790K @ 4,7GHz
  • Motherboard
    Asus MAXIMUS Formula VI
  • RAM
    Kingston HyperX FURY 16GB Kit (2x8GB) 1866MHz
  • GPU
    MSI GTX 1070 Gaming X
  • Case
    Cooler Master Cosmos SE
  • Storage
    Samsung 840 EVO 500GB+WD Green 3TB
  • PSU
    EVGA SuperNOVA 850G2 80PLUS Gold Certified
  • Display(s)
    ASUS PB277Q 27" WQHD 2560x1440 75Hz 1ms
  • Cooling
    Corsair H105 with AP121s and Phanteks fans
  • Keyboard
    Logitech G610 Orion
  • Mouse
    E-3lue E-Blue Mazer II 2500 DPI Blue LED 2.4GHz Wireless Optical Gaming Mouse
  • Sound
    Audio-Technica ATH-M20x
  • Operating System
    Windows 10
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With room for overclocking? Also i don't know which model yet,because before i was thinking was needing a 1000w,but i am thinking of mabye an EVGA.

 

But i will take any suggestions for a PSU.

The EVGA G2 is among the best PSU models out there.

PCPartPicker link: http://pcpartpicker.com/p/R6GTGX

Привет товарищ ))))

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850w would work fine as long as it's 80+ Gold or better. If you go EVGA only get the G2 versions as the others are made my FSP.

 

Why would it have to be 80+ Gold or better ? The efficiency doesn't affect the quality of the unit. Also FSP units are fine (GQ and the 1000W G1)

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Why would it have to be 80+ Gold or better ? The efficiency doesn't affect the quality of the unit. Also FSP units are fine (GQ and the 1000W G1)

Generally higher quality components that run better under prolonged loads with better efficiency, they're more efficient because they're better quality. They're fine PSUs but for the price there are better options vs the G1.

Mein Führer... I CAN WALK !!

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Generally higher quality components that run better under prolonged loads with better efficiency, they're more efficient because they're better quality. They're fine PSUs but for the price there are better options vs the G1.

 

I have an XFX Pro Bronze rated unit that has better internal components than the likes of a Corsair CS Gold unit.

 

The G1 is ok depending on the price being asked at the time. If you can get a G2 for the same then you would go with that over the G1.

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That will be plenty. You could probably get away with running said rig that is powered by a platinum-rated PSU of 650W, tbh.

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That will be plenty. You could probably get away with running said rig that is powered by a platinum-rated PSU of 650W, tbh.

 

A 650W would be too small for R9 390 CF and a 5820K.

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A 650W would be too small for R9 390 CF and a 5820K.

I wouldn't trust a bronze-rated 650w with that setup, but a platinum-rated one I absolutely would.

EDIT: Never mind, I was reading this incorrectly... My brain completely disregarded the CF portion. 850W is a power supply with perfect wattage for that setup.

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