Take a look at some press shots of the retail version of the Radeon RX Vega 64. While I like the minimalistic approach that AMD has taken, I would have gone with a gunmetal color.
On the outside, you have two 8-pin PCIe power connectors on the Radeon RX Vega 64, and on the PCI bracket, there are three DisplayPort connectors and one HDMI connector. Under the fan shroud and GPU cooler, we get to see the Vega 10 GPU on the cards full-length PCB. The 8GB of HBM2 memory are said to be housed in two stacks of HBM2. The AMD Radeon RX Vega 64 has two 8-pin power connectors and the GPU is surrounded by power phases, so it will be interesting to learn the TDP of both the air- and liquid-cooled models.
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Source: [H]ardOCP – Official Pictures of the Radeon RX Vega 64