DIAMOND Radeon HD 7870 2GB Double Black Diamond Video Card

The side of the shroud on the Double Black Diamond card matches the reference design exactly.  When installed in a typical case, Radeon branding is visible on the side of the video card.  Two six pin PCIe power connectors are required for use.  This matches with AMD's PowerTune TDP limit of 190w for the Radeon HD 7870.

The output connectivity options on the back of Diamond's Radeon HD 7870 include two mini-DisplayPorts (1.2), an HDMI port (1.4a) and a dual-link DVI port.  Adapters are included to convert a mini-DisplayPort to DisplayPort, and a DVI to VGA adapter.

Removing the shroud exposes the cooling hardware of the video card.  A modestly sized heatsink for the Pitcairn processor is mounted to the middle of the video card.  The heatsink has a thick copper base mated to aluminum fins, with the aid of three copper heatpipes.  The concept of using a blower for higher powered video cards is that hot air is pushed directly outside of the case, instead of being added to the inside (which can increase the temperatures of your other system components).  The blower sucks cool air into the shroud, and it's pushed through the heatsink and out the vents on the backplate of the video card.

The black metal frame helps to keep the video card from flexing.  It also serves as a mounting point for the bright red blower wheel.  Holes are cut out in the frame to allow for the video card's taller surface mount components to stick through.


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