[SOLVED] What does this RAM spec means?

[mohan_kumar]

8GB,4Gx1 + 4G onboard, DDR4, 2666MHz
This is the spec shown in the Dell Website about their Dell Inspiron 14" 5490 Laptop. What does this means? Does it have 8GB or 4GB? Please clarify.

 

[RARRAF]

4G onboard + 4gb of ram = 8gb in totall so 8gb