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Hello everyone!

So I am very excited to be building my first PC. The only thing left on my list is a PSU. I just wanted to know if it is ok to go with a 650W unit for my system or if I would have to go for a 750W one.

 

My system specs:

CPU: AMD Ryzen 5 3600x

GPU: Gigabyte 2070 SUPER Windforce OC

MOBO: Asrock B550 Phantom Gaming 4

RAM: Corsair Vengeance RGB PRO 3200MHz (2x8)

STORAGE: 1 x M.2 Samsung Evo Plus 500GB, 1 x Hard drive WesternDigital 1TB 

 

The power supply I plan on getting is a Bitfenix Whisper M 650W GOLD. Do you think it is enough? If not I better get back to researching :D

 

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650w is more than enough for that build.  No comment on the quality of the unit, as I am ignorant on PSU's basically.

Emma : i7 8700K @5.0Ghz - Gigabyte AORUS z370 Gaming 5 - ThermalTake Water 3.0 Ultimate - G. Skill Ripjaws V 32GB 3200Mhz - Gigabyte AORUS 1080Ti - 750 EVO 512GB + 2x 860 EVO 1TB M.2 (RAID 0) - EVGA Supernova 650 P2 - Fractal Design Define R6 - AOC AGON 35" 3440x1440 100Hz - Mackie CR5BT - Logitech G910, G502, G933 - Cooler Master Universal Graphics Card Holder

 

Plex : Ryzen 5 1600 (stock) - Gigabyte B450M-DS3H - G. Skill Ripjaws V 8GB 2400Mhz - GeForce 8800GTS 640MB - 840 EVO 256GB + Toshiba P300 3TB - TP-Link AC1900 PCIe Wifi - Cooler Master MasterWatt Lite 500 - Antec Nine Hundred - Dell 19" 4:3

 

Lenovo 720S Touch 15.6" - i7 7700HQ, 16GB RAM, 512GB NVMe SSD, 1050Ti, 4K touchscreen

 

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You could run that off a good 450W PSU.

 

So yes, 650W will be enough, and the Whisper M is a solid choice.

Desktop: Intel Core i9-9900K | be quiet! Dark Rock Pro 4 | ASUS Strix Z390-F | G.Skill Trident Z Neo 2x16GB 3200MHz CL14 | EVGA GeForce RTX 2070 SUPER XC Ultra | Corsair RM650x | Fractal Design Define R6

Laptop: 2018 Apple MacBook Pro 13"  --  i5-8259U | 8GB LPDDR3 | 512GB NVMe | macOS Big Sur

Peripherals: Leopold FC660C w/ Topre Silent 45g | Logitech MX Master 3 & Razer Basilisk X HyperSpeed | Beyerdynamic Custom One Pro Plus | Audio-Technica AT2020USB+

Displays: Alienware AW2521HF & BenQ BL2420PT

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That's fine.

i9 9900K @ 5.0 GHz, NH D15, 32 GB DDR4 3200 GSKILL Trident Z RGB, AORUS Z390 MASTER, EVGA RTX 3080 FTW3 Ultra, Samsung 970 EVO Plus 500GB, Samsung 860 EVO 1TB, Samsung 860 EVO 500GB, ASUS ROG Swift PG279Q 27", Steel Series APEX PRO, Logitech Gaming Pro Mouse, CM Master Case 5, Corsair AXI 1600W Titanium. 

 

i7 8086K, AORUS Z370 Gaming 5, 16GB GSKILL RJV DDR4 3200, EVGA 2080TI FTW3 Ultra, Samsung 970 EVO 250GB, (2)SAMSUNG 860 EVO 500 GB, Acer Predator XB1 XB271HU, Corsair HXI 850W.

 

i7 8700K, AORUS Z370 Ultra Gaming, 16GB 16GB DDR4 3000, EVGA 1080Ti FTW3 Ultra, Samsung 960 EVO 250GB, Corsair HX 850W.

 

 

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corsair rm650 is a sloid unit

if it was useful give it a like :) btw if your into linux pay a visit here  and i will be thankful if you send me an opinion here  

 

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Just now, mahyar said:

corsair rm650 is a sloid unit

I just recently started looking around for PSUs so I do have a lot to learn still. Thank you for the recommendation, will make sure to check it out!

 

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5 minutes ago, Mateyyy said:

You could run that off a good 450W PSU.

 

So yes, 650W will be enough, and the Whisper M is a solid choice.

Yes, I've been visiting online calculators and stuff and it seems fine. The thing is that in Gigabyte and Nvidia's website the minimum PSU wattage is 650. 

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1 minute ago, Sashkintosh said:

Yes, I've been visiting online calculators and stuff and it seems fine. The thing is that in Gigabyte and Nvidia's website the minimum PSU wattage is 650. 

I'd advise against using so-called PSU calculators, as more often than not they're way off.

You'd be a lot better off looking up reviews (from reputable reviewers) on the components you're using (mainly the CPU and GPU), and working off that. 

 

In your case, you're looking at around 80-90W for the CPU:

Spoiler

d7fabae0976ff2fbea2ae0e3c0f384c1.thumb.png.a1ec03efc1c963d7f6fb782353853905.png

And around 220W for the graphics card:

Spoiler

fSeARHUXEikWCLS9XbCzah-970-80.png.f7f97e40a0b4867e6b7a5a5d24fd092f.png

So a good unit in the 450-550W range should work perfectly fine, even more so with 650W.

 

Manufacturer PSU recommendations generally tend on the overkill side, mainly in an attempt to account for people using poor quality PSUs.

Desktop: Intel Core i9-9900K | be quiet! Dark Rock Pro 4 | ASUS Strix Z390-F | G.Skill Trident Z Neo 2x16GB 3200MHz CL14 | EVGA GeForce RTX 2070 SUPER XC Ultra | Corsair RM650x | Fractal Design Define R6

Laptop: 2018 Apple MacBook Pro 13"  --  i5-8259U | 8GB LPDDR3 | 512GB NVMe | macOS Big Sur

Peripherals: Leopold FC660C w/ Topre Silent 45g | Logitech MX Master 3 & Razer Basilisk X HyperSpeed | Beyerdynamic Custom One Pro Plus | Audio-Technica AT2020USB+

Displays: Alienware AW2521HF & BenQ BL2420PT

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