evga 650w psu, asus radeon 7870, msi z87gd65

neel_v · May 11, 2014

hello, i have a msi z87gd65 gaming motherboard, intel i7 4770k, kingston hyper x 3k 120gb ssd, western digital 2tb hard drive, corsair vengeance 32gb ram, asus blu-ray cd and dvd reader and writer. im not sure if my psu will able to handle another asus radeon 7870 gpu in crossfire? furthermore, my gpu is running at 26 degrees Celsius when running just google chrome for 10-15 mins.

Dylzan · May 11, 2014

Is it the 80+ Gold PSU? If not then you'll need a 750W instead.

mickypheonix · May 11, 2014

hi neel_v
i will point you to a previous thread regarding this
http://www.tomshardware.com/answers/id-1708644/psu-radeon-7870.html

neel_v · May 11, 2014

it points me to http://www.realhardtechx.com/index_archivos/Page362.htm and on the site it says that it requires 500 w psu but if i want to go xfire then do i need to get a larger psu or is 650w 80 gold psu fine ?

mickypheonix · May 11, 2014

650W gold psu should will be fine , 2 x HD 7870s in Crossfire need a recommended 600w power supply.

neel_v · May 11, 2014

mickypheonix :

sweet thanks for the help

mickypheonix · May 11, 2014

you are welcome , hope it all goes well for you, all the best

Dylzan · May 11, 2014

Be aware that the 7000 series has large microstuttering issues with 2 cards+.

mickypheonix · May 11, 2014

i did post a link containing that

neel_v · May 11, 2014

the other post that mickypheonix sent the link to shoes that it microstutters. but how much does it stutter by ? it is noticeable all the time ?

mickypheonix · May 12, 2014

IMHO i really don't know how this will affect you but is probably best to avoid this issue and not SLI these cards
Buy one good card or SLI something different
https://www.youtube.com/watch?v=XzfGFBlgzRU

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