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r9 270x crossfire + OC on 750w psu?

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June 30, 2014 11:21:20 AM

I want to run 2x r9 270x and OC my I5 3570k to around 4 Ghz.
my psu is the cooler master G750M.
would this work?

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June 30, 2014 12:01:04 PM

You have enough power, yes.

It's not the greatest PSU, but it's made by CWT who are generally reliable. Mild overclocking is okay. Quality wise it's on par with Corsair's CX series as you can see in this PSU unit tier list snippet.
http://www.tomshardware.co.uk/answers/id-1804779/power-...


Tier three - Meets standard ATX specifications, though closer to the edges than Tier two units. These are still solid units, which still supply stable power to your system, though not ideal for serious overclocking

Acbel Polycom series

Akasa
Paxpower
Powerplus (Greater than 500 Watts)

AMS Mercury series

Antec
Basiq series
Earthwatts series (greater than 700 Watts)
Neopower 480 Watt (Old model)
Truecontrol MK2
Truepower MK2 / MK3

Athena Power space shuttle series

Be Quiet
Dark power pro (Less than 750 Watts)
Pure power L8 / Purepower L8 CM series
Straight power E9 400 Watts

Bitfenix Fury 750w

Cooler master
G550M <---------------------------------------------------------------- THE 550W VERSION :bounce: 
GX II 750 Watts
i Series 700 Watts
iGreen series
Real power pro (less than 800 Watts)
Silent pro M2 / Gold / Platinum series

Corsair
CS series (High inrush current and +12V ripple levels, only on high levels of load)
CX / CXM series
RM 750 / 850w models (LTEC capacitors and made by Chicony)
VS series

Enermax
Maximum Plus series
naXn ADV 650 Watts
Revolution X't series
Triathlor / Traiathlor FC series

Enhance ENS-G
Epower Xscale series

EVGA
Supernova 750 Watts
Supernova Classified 1500 Watts

FSP Aurum 92+ 650M

Fractal Design
Integra R2 650 / 750 Watts
Tesla R2

Kingwin
Lazer series
Mach 1 (the negative 12v rail may go slightly outside of spec in some loading conditions)

Lepa G900

OCZ
ModXStream (rated at 40° C)
Z series 1000 Watts

Rosewill
Fortress Series
Hercules 1600 Watts
Hive series
RP 2 (temp. Sensitive)
Xtreme / RX series

Seasonic Super versatile series
Sigma SP series
Silversone F prefix
Sparkle FSP units
Spire Rocketeer V/VI
Sunbeam Nuuo

Thermaltake
Litepower series
Purepower RX
Toughpower <less than 600 watts

Topower 1000w Gold
XG Magnum
X-Spice Kira series
Zalman ZM 850 / 1000 watts

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