How much power do I really need?

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middlezg

Honorable
Jan 8, 2014
8
0
10,510
I suspect that I'm under-powered since my recent crossfire addition. I'm getting great frame rates (75-99 FPS in Shadow of Mordor) but my games are loading extremely slowly where they were quick before. I've used several online calculators to find out what I need but the result vary from 550w-1600w. I'd like an expert opinion.

My specs:

MOBO: Intel DZ77BH-55K
CPU: Intel i-7 3770 Ivy Bridge
RAM: 14GB DDR3 (2x 4GB G. SKILL, 1x 6GB Rando)
VIDEO: 2x R9 270x (Crossfire)
PSU: Corsair 750TX
SSD: Corsair Force GT 90GB
HDD: 2x 2TB WD Black
Other: Wireless card, Card Reader, Cooler Master CPU Fan, 4x Aux Fans
Optical: LG Blu-ray Burner

Thanks for any input!
 
Solution
ko888
MOBO: Intel DZ77BH-55K ............................................ 38 W
CPU: Intel i-7 3770 Ivy Bridge ...................................... 68 W
RAM: 14GB DDR3 (2x 4GB G. SKILL, 1x 6GB Rando) ....... 9 W
VIDEO: 2x R9 270x (Crossfire) ................................... 407 W (Max. Furmark)
HDD: 2x 2TB WD Black ................................................. 19 W
Optical: LG Blu-ray Burner ............................................ 26 W
SSD: Corsair Force GT 90GB ........................................... 4 W
Other: Wireless card ..................................................... 14 W
Card Reader ................................................................... 9 W...
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M

middlezg

Honorable
Jan 8, 2014
8
0
10,510
any ideas on the decreased load times?



 
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ko888

ko888

Titan
Feb 18, 2009
16,708
41
84,990
MOBO: Intel DZ77BH-55K ............................................ 38 W
CPU: Intel i-7 3770 Ivy Bridge ...................................... 68 W
RAM: 14GB DDR3 (2x 4GB G. SKILL, 1x 6GB Rando) ....... 9 W
VIDEO: 2x R9 270x (Crossfire) ................................... 407 W (Max. Furmark)
HDD: 2x 2TB WD Black ................................................. 19 W
Optical: LG Blu-ray Burner ............................................ 26 W
SSD: Corsair Force GT 90GB ........................................... 4 W
Other: Wireless card ..................................................... 14 W
Card Reader ................................................................... 9 W
Fans: Cooler Master CPU Fan ......................................... 3 W
4x Aux Fans .................................................................. 18 W

Total .......................................................................... 615 W

Allow 50 Watt reserve ................................................. 50 W

Recommended ........................................................... 675 Watts
 
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