The power consumption of gtx970 is about 200W, and the power consumption of two blocks is 400W W. With the power consumption of processor about 100W and the power consumption of fan, memory and hard disk, at least 550W power supply is needed. To be on the safe side, it is better to use a power supply with a rated power of 700 W..
The full name of SLI is Scalable Link Interface, also known as Speed Force, which is a patented technology of NVIDIA Company. Through special interface connection, two PCIE graphics cards of the same model are used simultaneously on a motherboard supporting dual PCI Express X 16. Enhance nVIDIA's competitiveness in workstation products.
Gtx970 parameters:
Graphics card type: fever level;
Graphics card chip: GeForce GTX 970；; ;
Core frequency:10511203mhz;
Memory frequency: 7010 MHz; ;
Memory capacity: 4096MB；;
Memory bit width: 256 bits.