The GeForce GTX 670 has a maximum power consumption of 170 Watts (give or take a little), you'll need to power the card with one 6-pin and one 8-pin PCIe PEG lead from your power supply. Power supply wise we recommend a 550 power supply to start with, with one card of course.
Visible are the two SLI connector meaning you could hook up multiple cards.
Here we can see that custom design PCB. Interesting are the gaps in the PCB, obviously there to improve on cooling vs airflow. The GeForce GTX 670 PCB measures 26cm / 10.5 in length with the cooler.
Display outputs include two dual-link DVIs, one HDMI and one DisplayPort connector. You'll find one DVI-I and one DVI-D connector, DVI-I (Integrated) is the connector that is capable of transmitting both digital and analog signals while DVI-D (Digital) is a connector that cannot transmit analog signals, just the digital ones (meaning, no CRT on that one).
The top part has been kept open for ventilation so that the card can exhaust hot air, the cooler design however will vent air into the chassis.
Once the ambient air has been used to cool the GPU, the hot air will be blown only partially outside the PC through the exhaust as you can see above the monitor connectors. However most of the heat will be blown into the chassis itself as the cooling casing is open close to the PCB and rear side. Make sure you have proper ventilation inside the PC chassis... always.
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