Yes it appears to be an onboard graphics chip.
Take two of the memroy modules out, see if it still shows 4gig.
Some of the feedback for that company is not good, personally, I wouldn't buy from them.
What is ransomware and how do I protect my PC from WannaCry?
Disney layout supervisor Rob Dressel on the challenges of visualising Moana
Siri vs Google Assistant
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.