Dell Optiplex 3070 Micro SSD HDD and RAM Upgrade Guide

A quick guide to upgrading the Dell Optiplex 3070 Micro PC with an M.2 NVMe SSD (Intel 660p 1TB: amzn.to/2SNzUTY) and an additional 8GB DDR4-2666 (amzn.to/35g1dJ6).
This is a very simple task, which only requires a small Phillips screwdriver for fitting the SSD.
This guide also applies to the previous generation Dell Optiplex 3060 Micro which shares the same chassis design.