Dear all, could anybody recommend a GC that supports 2560x1440 but consumes <300w power? I have a HP Pavilion p7-1380t (http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=120&prodSeriesId=5258500&prodTypeId=12454&objectID=c03368473) of which integrated HD graphics doesn't support 2560x1440 and outputs 300w power only. I tried a HP-recommended EVGA GeForce GT 620 1GB 64-bit DDR3 PCI Express 2.0 x16, http://www.newegg.com/Product/Product.aspx?Item=14-130-814, but it needs 300-350w power and the Dell U2713HM display blinks from time to time. Many thanks!