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14RMH

How much watts would I need for this GPU Upgrade?

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Posted · Original PosterOP

Hey,

So I recently put together my first PC. Around 6 months ago. It was a budget build (under €400) and for what it is it's amazing. I have a bit of change now and I was thinking of upgrading my GPU from an AMD Radeon RX 470 to an RX 580. I have used many many Wattage calculators online and have put in my specs and gotten results ranging from 300-500 watts. Madness. My PSU is 450W so I was wondering whether I would need to upgrade that so it can power the new GPU.

 

Here are my specs:

 

Gigabyte GA-B85M (LGA 1150) Micro ATX MOBO 

 

i5 4690 (Not K)

 

XFX Radeon RX 580 4GB (If I get it) (Currently with RX 470 and everything runs fine, no power shortage)

 

16GB DDR3 RAM  (8+8)

 

120mm Case fans (x6) 

 

256GB Kingston SSD

 

1TB 2.5" Seagate SSHD (think its 5400 RPM)

 

Corsair CS450 PSU.

 

The fans are RGB and I'm running them off Molex so I cant turn it off. I have an RGB keyboard and mouse aswell. The CPU cooler is also RGB. (Dont judge, it looks good, I swear 😂)

Also have 2 USB 2.0 Dongles always in for Bluetooth and Wifi (if it makes a difference to the wattage).

 

Now as I said I've already been on the wattage calculators. Newegg, bequiet, etc etc. I just want to know if it the wattage "estimates" are more towards the 500 or the 300. I may have a bit of change but I certainly dont have enough to go splashing on a new PSU aswell as GPU. 

Any help much appreciated.

 

 

 

 

 

 

 

 

 

 

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it should handle it just fine


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PC:

 

Spoiler

i5-6400

GIGABYTE GA-H110M-DS2

CORSAIR VENGEANCE LPX 2X4 DDR4-2666MHz

ASUS ROG STRIX-GTX 1060-O6G

SEAGATE 2TB HDD

FUJISTU F300 240GB SSD

CORSAIR CX750M

Laptop:

Spoiler

Acer Nitro 5
i5 8300h
GTX 1050 4Gb
12 Gb RAM

128 Gb SSD

1 Tb HDD

Peripherals:

Spoiler

Keyboard:

Logitech G310 Atlas Dawn (Romer G)

Rexus Legionare MX5.1 (Content Browns)

Mice:

Logitech G602

Logitech G502 Lightspeed
Steelseries Rival 105

Logitech M330

Headset:

Logitech G430 
Cooler Master MH 752

 

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11 minutes ago, 14RMH said:

Hey,

So I recently put together my first PC. Around 6 months ago. It was a budget build (under €400) and for what it is it's amazing. I have a bit of change now and I was thinking of upgrading my GPU from an AMD Radeon RX 470 to an RX 580. I have used many many Wattage calculators online and have put in my specs and gotten results ranging from 300-500 watts. Madness. My PSU is 450W so I was wondering whether I would need to upgrade that so it can power the new GPU.

 

Here are my specs:

 

Gigabyte GA-B85M (LGA 1150) Micro ATX MOBO 

 

i5 4690 (Not K)

 

XFX Radeon RX 580 4GB (If I get it) (Currently with RX 470 and everything runs fine, no power shortage)

 

16GB DDR3 RAM  (8+8)

 

120mm Case fans (x6) 

 

256GB Kingston SSD

 

1TB 2.5" Seagate SSHD (think its 5400 RPM)

 

Corsair CS450 PSU.

 

The fans are RGB and I'm running them off Molex so I cant turn it off. I have an RGB keyboard and mouse aswell. The CPU cooler is also RGB. (Dont judge, it looks good, I swear 😂)

Also have 2 USB 2.0 Dongles always in for Bluetooth and Wifi (if it makes a difference to the wattage).

 

Now as I said I've already been on the wattage calculators. Newegg, bequiet, etc etc. I just want to know if it the wattage "estimates" are more towards the 500 or the 300. I may have a bit of change but I certainly dont have enough to go splashing on a new PSU aswell as GPU. 

Any help much appreciated.

Wattage calculators are bull. You will be fine.


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A 450W PSU can handle an RX 580, that said not the greatest PSU and I would upgrade in the near future if possible.


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If my 450 Watt PSU can run an R9 290X, it sure cam handle a RX580, you should be fine 👍


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