A:AnswerYes it has 2 M.2 slots. 1 is occupied by the included M.2 drive and the other is empty for you to add additional storage. I hope I was helpful best of luck to you.
A:AnswerThat's the Alienware Graphics Amplifier port. It allows you to connect a desktop graphics card with the external Alienware Graphics Amplifier. Unfortunately, very difficult to find anymore because Dell discontinued them.
A:AnswerYes, you can upgrade the storage on this system up to 2 TB. However, we suggest you to not do any third party or non-Dell aftermarket upgrade, as that can void the system’s warranty. We suggest you to contact the Dell Technical support team regarding this query.