Is the power enough?

death12337

Reputable
Feb 17, 2014
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4,540
The system:

CPU: AMD-FX 8350
GPU: XFX Radeon HD 6990 4GB
HDD: 2x 3.5' 1x 2.5' 7200 RPM's
MOBO: Asus Sabertooth 990FX rev 1
Ram: 1600 MHz Ballistix CL9. 16GB. (4x4)
PSU: Cooler Master V 750 Watt (Gold)
CASE: Aero cool X-Strike GT
COOLING:
Cpu: Asus Silent Knight 2
Gpu, Ref. cooler.
Case: 7 120mm LED fans. Cooler Master

Do you guys think the powersupply will be enough to run the system without problems?
The 6990 is recommended with a 750 W, but I have a ton of stuff besides it. So wondering if I can run it on Bios 1 mode (overclocked 880MHz). Instead of the normal 830MHz Bios 0 mode.
Will be adding a NZXT Sentry 3, for fan control too.

The system will be used for gaming. Would've gotten a geforce 660 or 770, but i got the parts relatively cheap. (Live in Denmark)
Approx prices:
Radeon HD 6990 : 260$
Mobo+Cpu: 208$
Ram: new around 200€ too.
Rest of the system is re-used from old PC.

Any thoughts?