The laptop has an additional 500GB HDD drive installed.

It has seen moderate use only and is in a great condition. No finger smudges, no food crumbs in the keyboard of filth like that.

Here's a review: https://www.ultrabookreview.com/27055-acer-predator-helios-300-review-ph315-52/

Comes with a US plug and UK converter.

Pickup in London possible.

Don't hesitate to ask questions.