THE BEST 650W PSU?

corsair, antec, enermax, all among the very best.

I agree...

My vote is the Corsair 650HX

its funny you say that because i am leaning towards the TX version of that psu. anyone know the difference between the 650tx and 650hx besides the hx being modular?

The difference between both is that the new HX has better quality components, has higher efficiency and better ripple and most important has 7 year warranty vs. 5.

Now to answer the original question. The best 650w power supply is
http://www.newegg.com/Product/Productcompare.aspx?Submi...

The best 650w bang for buck is,
http://www.newegg.com/Product/Productcompare.aspx?Submi...

http://www.overclock3d.net/reviews.php?/power_supply/be...

BeQuiet Dark Power 650W very efficient

• Ultra-high efficiency @ *** almost 87%. *** <-- nice
• Very stable voltages with no "over-volting".
• One of the most silent units
• Excellent modular cable system.
• Good Package and accessories

This Seasonic X-750 got an excellent review recently --
but its wattage is larger than what you requested:

http://www.hardocp.com/article/2009/09/25/seasonic_x_se...


Kyle Bennett & company really know their stuff!


MRFS

http://www.ocztechnology.com/products/power_management/...

ocz z series

650 Watts of Continuous Rock-Solid Power
Ultra-Quiet 120mm Thermally-Controlled Fan
Premium Sag and Surge Protection (.99 Active PFC)
Ultra-High Efficiency (over 88%)
80 Plus® Silver Certified
NVIDIA® SLI™ Certified
5 year warranty backed by OCZ's exclusive PowerSwap™ Warranty replacement program. No more endless return-for-repair loops!

+1 for Corsair 650HX