One of the coolest things about USB-C tech is its ability to output standard video, and combine it with charging and data for a single-cable solution when you plug your laptop into a monitor. Alas, those monitors still command a serious price premium. Which is why this deal for an HP 27-inch 1440p monitor, complete with USB-C powers, is so sweet. It’s going for as little as $130 today. To be precise, this HP E27u G4 monitor is on sale for $150 flat, already a huge discount from its $424 retail price. But according to the persistent posters at SlickDeals, you can score an additional $20 off if …