Ssd format/specs

Question(s):

Are the ssd ports on this mobo SATA or NVMe?

How do I go about opening a service ticket on this to correct uneven core temps on the processor and light bleed on the screen? Do I have to take it back to where I bought it or go through Dell?

System:

AW17r4 2727slv

i7 6700hq

16gb RAM 2400mhz

1 tb HDD

128 gb m.2 ssd (b+m key)

1x m.2 ssd (m key 2280)

1x m.2 ssd (m key 2242?)