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Need help ASAP regarding if PSU is sufficient!

davve146
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Hi guys

 

So I’m building a machine from spare parts I had lying around and I’ve turned my living room upside down so gf is not very pleased. I just got stuck on if the 400w cooler master masterwatt lite with 80+ white will be sufficient for the ryzen 5 2600x and gtx 1070 I’m putting in here. According to the psu calc it should draw 380w ish. What are you guys’ opinion on the matter, in a bit of a rush to finish this build. Thanks 🙂

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That's a trash unit, don't use it.

PSU Tier List | SSD Tier List | GPU Hierarchy

Mark my answer as solution if it answered your question :). Quote or tag me so I get notified of your reply.

My PC: 

CPU: i5-10400F | GPU: Powercolor RX 6600 Fighter 8gb | SSD: Crucial MX500 500gb | HDD: Seagate Barracuda 2tb | PSU: Corsair RM650x (2018) | Motherboard: ASRock B460M Pro4 | Case: Antec DP301M

 

My peripherals:

Monitor: AOC C24G2U & Samsung SR35 | Headset: Steelseries Arctis 3 | Keyboard: Drevo Seer Max (Gateron Brown) | Mouse: Logitech G703 | Mousepad: Steelseries QCK Edge XL

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Probably fine for now but I wouldn't trust it with lengthy sustained loads or even gaming.

If it was an older (assuming at least 5 yrs old.) PSU but with at least a bronze or silver rating w/ 650+ watts I'd say it's fine.

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10 minutes ago, davve146 said:

Hi guys

 

So I’m building a machine from spare parts I had lying around and I’ve turned my living room upside down so gf is not very pleased. I just got stuck on if the 400w cooler master masterwatt lite with 80+ white will be sufficient for the ryzen 5 2600x and gtx 1070 I’m putting in here. According to the psu calc it should draw 380w ish. What are you guys’ opinion on the matter, in a bit of a rush to finish this build. Thanks 🙂

Nvidia recommends a psu of at least 500W for that GPU https://www.nvidia.com/content/geforce-gtx/GTX_1070_User_Guide.pdf. The issue with gpus is they undergo massive power spikes for a few microseconds when under heavy load (this can occur very unpredictably and is unavoidable if you're gaming at all) that draw 2-3x the rated power of the GPU. If your power supply is incapable of meeting the demand you may have crashes, graphical problems, or your monitor may go black. Seems like you need a better psu.

Current PC:

  • CPU
    Intel i9-12900KS
  • Motherboard
    Asus Rog Maximus Z690 Hero
  • RAM
    G.Skill Trident Z5 DDR5-6400; 2 x (16GB x 2); CL32-39-39-102; 1.40 V
  • GPU
    Aorus Xtreme Waterforce RTX 3090 TI
  • Case
    Corsair 7000D Airflow
  • Storage
    2 x 2TB WD Black sn850 SSDs
  • PSU
    EVGA Supernova 1600W P2, Fully Modular
  • Display(s)
    34" 1900R Alienware AW3418DW Black, 32" Samsung Odyssey G7 240Hz
  • Cooling
    Arctic Liquid Freezer ii 420, Built in 360mm gpu rad, 7 x 140mm Noctua NF-A14's (4 used as full case fan set, 3 used to upgrade CPU rad fans), 4 x 120mm Noctua NF-F12's (3 used to upgrade GPU rad stock fans, 1 used to fill last remaining case fan slot)
  • Keyboard
    Fidio Mechanical Gaming Keyboard
  • Mouse
    Asus Rog Spatha X
  • Sound
    SteelSeries Arctis Pro + Game DAC Wired Headset
  • Operating System
    Windows 11 Pro
  • PCPartPicker URL

 

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Just now, cleric_warlock said:

The issue with gpus is they undergo massive power spikes for a few microseconds when under heavy load (this can occur very unpredictably and is unavoidable if you're gaming at all) that draw 2-3x the rated power of the GPU. If your power supply is incapable of meeting the demand you may have crashes, graphical problems, or your monitor may go black. Seems like you need a better psu.

This IS the case with modern GPUs (Nvidia 30 series and Radeon 6000), but is a relatively newer issue. I don't think it applies to the 10 series. They were hailed for being more power efficient than the 9 series plus better performance.

I don't even think this was a problem with overclocking 2080 Ti's.

 

Still agree on replacing the PSU though.

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5 minutes ago, Bianks84 said:

This IS the case with modern GPUs (Nvidia 30 series and Radeon 6000), but is a relatively newer issue. I don't think it applies to the 10 series. They were hailed for being more power efficient than the 9 series plus better performance.

I don't even think this was a problem with overclocking 2080 Ti's.

 

Still agree on replacing the PSU though.

I watched a gamer's nexus video that said this happens to pretty much every gpu if I remember correctly. The issue is just more noticeable now because gpus are getting much more power hungry.

 

Edit: Yep, this gamer's nexus video covers it, transient spikes have always been a thing 

 

Current PC:

  • CPU
    Intel i9-12900KS
  • Motherboard
    Asus Rog Maximus Z690 Hero
  • RAM
    G.Skill Trident Z5 DDR5-6400; 2 x (16GB x 2); CL32-39-39-102; 1.40 V
  • GPU
    Aorus Xtreme Waterforce RTX 3090 TI
  • Case
    Corsair 7000D Airflow
  • Storage
    2 x 2TB WD Black sn850 SSDs
  • PSU
    EVGA Supernova 1600W P2, Fully Modular
  • Display(s)
    34" 1900R Alienware AW3418DW Black, 32" Samsung Odyssey G7 240Hz
  • Cooling
    Arctic Liquid Freezer ii 420, Built in 360mm gpu rad, 7 x 140mm Noctua NF-A14's (4 used as full case fan set, 3 used to upgrade CPU rad fans), 4 x 120mm Noctua NF-F12's (3 used to upgrade GPU rad stock fans, 1 used to fill last remaining case fan slot)
  • Keyboard
    Fidio Mechanical Gaming Keyboard
  • Mouse
    Asus Rog Spatha X
  • Sound
    SteelSeries Arctis Pro + Game DAC Wired Headset
  • Operating System
    Windows 11 Pro
  • PCPartPicker URL

 

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1 minute ago, cleric_warlock said:

The issue is just more noticeable now because gpus are getting much more power hungry.

This is the right way to put it^

 

But yeah I watched the same vid. Went back to check and you're right.

 

Just semantics at this point but I still don't think a 1070 will produce spikes that will double its power draw. Still better to be on the safe side though.

 

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the 1080ti used in that vid is not a 1070 and  it mentions different set ups experience different results

 

a sample size of one is not enough to draw universal conclusions.

 

but  that masterwatt lite PSU shaped doorstop isn't a desirable choice regardless.

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Thanks for the quick replies guys! I decided to use a bigger psu 650w but now I’m not getting a post. Motherboard is a b350f rog strix with a 2600x and a gtx 1070. The GPU was tested on a different pc and works fine. The ram sticks too. So that only leaves mobo + cpu. Any thoughts?

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