A:AnswerHi Marco,
Sounds like you might be talking about a DVI cable. I don't think this thing accepts that, but I found a few adapters (DVI to hdmi) that might work for you.
A:AnswerHello,
Yes you can upgrade the RAM in this PC. We are unable to specify the brand as we use a variety of models in our systems depending on what we have in stock.
A:AnswerHello,
Yes you can upgrade to a bigger hard drive after purchase. You can upgrade both the CPU and the GPU. We are unable to provide you the brand of the GPU since we use a variety of models in our systems depending on what we have in stock.
A:AnswerIt doesn't include an HDMI cord, but basically any monitor you purchase will come with one. They're also pretty cheap if you need to buy one, they sell them at Best Buy.