Well the PSU is made by FSP and seems to be crossfire certified and the certification is quite tight. I don't know what it will be like in the long term but it should run a GTX fine until you're ready to upgrade. 4x 15A 12v rails
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Further:
FSP Group is a power supply manufacturer, and as any genuinely competent and experienced PC professional will attest, FSP Group is a PSU manufacturer which has stood the test of time, continuing to develop and deliver products which can be relied upon in even mission critical environments.
Although primarily an Original Equipment Manufacturer (OEM) for household name system integrators and a great many of the very well known system chassis manufacturers, in very recent times FSP has chosen to make efforts to respond to market changes in the retail sector; this by introducing various products aimed at PC enthusiasts, and from recollection has included at least one which 'featured' the kind of (increasingly pass¨¦) illumination that's appeared on some of the cheap, nasty and unreliable products of companies, perhaps perceived by an often unwitting audience, as its competitors.
However, one thing FSP seems not to have done, is compromise on the fundamental quality and functionality of the product itself.
In an increasingly price sensitive market, this, it would seem, has been a challenge for FSP, and perhaps understandably so.