It is an incredibly grey area when you're dealing with small independent shops & system builders.
Warranty needs to be discussed with the shop (this Cyberdyne place) itself.
There used to be a little shop near me that did the same , they would spec a PC to your requirements & order the parts wholesale.
They guaranteed the system as a whole for 1 year ,you could pay extra for an extended full service/replacement & repair 3 year warranty.
They also supplied an itemised invoice for all parts used in the PC so out of the actual shop warranty you could RMA stuff yourself - you need this as an option IMO as manufacturers are incredibly sketchy on warranty transferral especially on GPU, motherboard & psu's nowadays.
When your dealing with...