A:AnswerNo it is not. There website clearly states that. - " HDMI Connection with third party adapter: Currently, there are no known adapters that will work from HDMI → DP. If this changes, we’ll update this article to include any supported adapters. Until then, we don't recommend trying to use Rift S with any PC or laptop that does not have a DisplayPort port or Mini DisplayPort port. "
A:Answerit's dual channel, it'll accept a 2x16 upgrade kit. They're pretty cheap right now, but 32gb on this particular laptop is overkill. 16 max is the sweet spot, and even gaming on it 8 turns out to be just fine somehow. I was surprised myself as I was planning on upgrading to 16, but 8 works without any issues.