How big of a Power Supply do you REALLY need?

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Many noob and experienced builders find it often confusing on how much wattage you REALLY need for your power supply. Today we do some tests to see just how much power an overclocked system is using.

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Comments

BaBa G says:

i have core i5 2nd gen
saphire r9 270x 4gb
8gigs of ram 6 140mm fans
some leds
and a 550w psu but system shuts down some time
any one know whyy?

Oleg Braghis says:

So I am planning to get a rx 580 and have an amd a8 7650k (I know it’s crappy) should 450w be fine (micro arc motherboard with 8gb of ram)

Edo P. says:

you can never have enough power…unlimited power is the best

Garth Clark says:

Here’s your PSU spec’s:
80 PLUS Platinum certified, delivering up to 92% energy efficiency under real-world load conditions. Key word here is “up to” but not at full load, at 50% load or 380W.
http://www.corsair.com/en-us/~/media/43CEF6D7ABBD423AA01994FC2FDBB041.ashx?w=625

Marcello says:

I have a 450 w psu and it runs perfectly i have i5 4690k and gtx 1050ti and 12 gb ram

steven howard says:

most psu’s deliver 82% at 20% load. Dont think its going to break the bank losing 3% but good vid

M K says:

i5 7600k u GeForce gtx1060 16gb ram ssd and hd and a 430 watt 80 plus psu is that ok?

Kenneth Littrell says:

I have a 3258 overclocked to 4.3 on a z-97 board have like 7 fans also

Ostenlars says:

hi, i am from Denmark, an i think that, you are pretty cool. 😀

Donhuan LMagico says:

is it will be normal if i have amd fx9590 and just psu block is chieftec 450 watts plus gaming videocard msi geforce gtx1050ti gaming x PLEASE TELL ME and REccomend friends

James Adam says:

Please someone help me i need help my pc shut down when i playing games my pc tempture is about 30-37 when playing games,but im not sure is it problem with overheating i mean idk why its shutdown do i need new power block :/ or something else whats is wrong with my pc its actully new pc spec i5 rx460 4proccesors 8gb
Please help me someone 🙁

Larsson says:

500-750 watt

TheSURGEofTech tech says:

u look like herpes

Chris Peck says:

intel I7 8700k
2tb hhd
GTX 1080ti
128gb ram
600 watt ? good

Jeff O says:

Higher watt = more fps

WeH8 says:

so i have a 400w power supply right now i have a gtx 1060 and a i5 7500 but i want to upgrade to a i7 7700k will 400w be enough?

Kiloridge says:

Is there is a way for me to know how much watts I have in my power supply without opening my pc

Redhawk Gaming says:

i fill happy that my 1050 is bett than the 680

Chris Peck says:

update:
KEYBOARD: Razer Black Widow Ultimate
MOUSE: Razer Chorma Naga
CARE1: Ultra Enhanced Packaging Solution – Protect Your Dream System During Transit [+19]
CAS: Corsair Obsidian 900D Super Tower Gaming Case w/ Dual PSU Support, 3x HDD Hot Swap Bays, Front USB 3.0 & Side-Panel Window [+286]
CPU: Intel® Core™ Processor i7-8700K 3.70GHZ 12MB Intel Smart Cache LGA1151 (Coffee Lake)
CS_FAN: 3X 140mm Thermaltake Riing 14 Series High Static Pressure 140mm Case/Radiator Fan (Orange Color LED)
FA_HDD: Vigor iSURF II Hard Disk Drive Cooling System (1 x System)
FAN: Cooler Master MasterAir Maker 8 High Performance CPU Cooler with 8 Heat Pipes and Dual PWM Premium Fans
HD_M2SSD: 120GB WD Green M.2 SATA-III 6.0Gb/s SSD – 540MB/s Read and 430MB/s Write (Single Drive)
HDD: 2TB (2TBx1) SATA-III 6.0Gb/s 64MB Cache 7200RPM HDD (Single Drive)
IUSB: Internal USB 3.0 4-Port Hub [+25]
MEMORY: 64GB (16GBx4) DDR4/3200MHz Dual Channel Memory
MONITOR: 34″ LG 34UM64-P IPS LED WIDE BLACK LCD (Single Monitor)
MOTHERBOARD: ASUS TUF Z370 PLUS GAMING ATX w/ RGB, USB 3.1, 3 PCIe x16, 3 PCIe x1, 6 SATA3, 2 M.2 SATA/PCIe [Intel Optane Ready]
NETWORK: Intel EXPI9301CTBLK Network Adapter 10/ 100/ 1000Mbps PCI-Express
OS: Windows 10 Home (64-bit Edition)
OVERCLOCK: No Overclocking
POWERSUPPLY: 600 Watts – Standard 80 Plus Certified Power Supply – SLI/CrossFireX Ready
SOUND: Creative Sound Blaster ZX 5.1 Channels 24-bit 96KHz PCIe Sound Card w/Multi-channel surround, SBX Pro Studio, Sound Core3D Processor & Audio Control Module
UPS1: NuGiant Energy Saving Smart Surge – 8 Outlets w/ 5 Energy-Saving Outlets auto ON/OFF based on your PC (31002)
VIDEO: EVGA GeForce® GTX 1080 Ti FTW3 GAMING iCX Edition 11GB GDDR5X (Single Card)

James Adam says:

Please help i have gtx 1060 3gb i5 im thinking ubgrade my rams from 8gb to 12 or 16 how much wattage i need i have only 410wats only and how much i saw videos athor peoples pc running more well on this gpu and mine is not so do i have to upgrade my pc with more watts like with 500 ?Please Help me

Chen Jeremy says:

Null, I have a i5 7600k and a, gtx 1060, the expect wattage is 331w but I use a 550w psu. The amount of power wasted should be ok

French Fries 28 says:

So I shouldn’t have a problem putting a Mini GTX 750 ti into my old Dell Optiplex 745 with a 275 Watt power supply!

XPLZ says:

So a 650 w 80+gold, is good enough for a ryzen 5 1600 and a GTX 1080?

DERP NET says:

How would you know how much power your gpu is using?

Nathan says:

I’ve  a Asus desktop when when I have  one browser is open and then go on  YouTube  the video loads then   starts to run slow and  the audio of video starts to buzz to a point almost freezing.Whats  wrong ?Do I need  a better power supply or is  my hard drive is failing.

JSD93 says:

Can someone help me, I’m trying to build a pc and I’m not sure what PSU I should have for wattage I’m looking at one which is a 80+ bronze and is a 450 watt, these are my pc specs

I5 7500

Cooler master-hyper 212 EVO-cpu fan

Msi- z270-A pro atx motherboard

DDR4 hyperX 8gb ram 2400mhz

1TB HDD 7200rpm

Gigabyte Nvidia Gtx 1060 ITX 6gb

iyfranco151 says:

thank you Jay

N64Guy says:

I have

Asus m5a something 2.0

Fx8350

2 4gb sticks of I think fury x ram

Kraken x60 with 2 140mm rad fans

3 120mm case fans

2 phanteks 1m led strips

5 hard drives 7k rpm

1 Samsung evo 840 ssd

Gigabyte r7 370

And I would like to try to crossfire it with a his HD7850

Sooooooo here’s the cow in the car will the psu hold up?

eladbari says:

What if im using like *5 drives (2 ssd /2 hdd/1 M2) and many usb peripherals? (X2 Keyboards /mouse /wacom /joysticks /scanner /external 4tb hdd/ etc. ?*

How much all of these consume?
Like 10’s of Watts? Or above 100 Watts?

Steven Pollock says:

i5 7600k, msi 1070, 16gb ram, 4 case fans, 3 of which are the nzxt rgb fans, 1 ssd and 1 hdd, msi z270 pro carbon. 550w enough?

Nicolai says:

will a 450w psu be sufficient for Ryzen 5 1400 with GTX 1060 3gb?

sluggripper says:

So why is everyone including oc3d, jay, gamersnexus ect all doing this same how many watts do you need video???

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