Many Server motherboards need not just one but two 8pin 12V Plug.
This SPI700W7BB 700watt 2U Power Supply offer variety of 12V Output cables.
It's required for your wide ranging motherboard needs.
As an added Bonus, there are also two 6+2 SLi Plugs. Power Supply,
very ideal for Server Farm environment.The MTBF is 100,000 hours on maximum load at +25°C. Typically installed into a 2U or 3U Rack Mountable Chassis.  This 2U Power Supply has a Dimensions (LxWxH) of: 10.2" x 3.9" x 2.75" Inch or 260 x 100 x 70mm

Output Voltage	Minimum Load	Normal Load	Maximum Load	Load Reg.	Ripple & Noise
+3.3V	0.5A	12A	24A	± 5%	50mV P-P
+5V	0.5A	15A	30A	± 5%	50mV P-P
+12V1	0.5A	7.5A	16A	± 5%	120mV P-P
+12V2	0.5A	7.5A	16A	± 5%	120mV P-P
+12V3	0.5A	7.5A	16A	± 5%	120mV P-P
+12V4	0.5A	7.5A	16A	± 5%	120mV P-P
-12V	0.05A	0.25A	0.5A	± 10%	120mV P-P
+5Vsb	0.1A	2.0A	4.0A	± 5%	50mV P-P