DW1550 or something from the link I provided above. Stay away from Atheros, not longer supported in Mojave if you plan to upgrade later.
Yes, dual boot is possible. Check out the Dual Boot instruction from this guide
So i'm looking at a Dell Latitude E6440 with a Radeon HD 8690M and a Core i5-4310M
It has 4 GB of ram but i'm planning to upgrade it.
So can it run macOS? And what's the latest it can run?
Photo attached below for more info.