You aren't getting on-site service with a consumer product. There are plenty of 3rd party people who can service your computer, though. It's like Lego.
Dell uses crappy proprietary tech, poor quality components, and they have an all around bad reputation.
NZXT uses good components and they make some of the best cases you can buy.
I don't know much about Lenovo's desktop products.
You might try posting on reddit.com/r/suggestapc and ask about the best service contracts and high quality system integrators.
Edit: that particular reddit looks pretty dead actually. The big one is r/buildapcsales , you can take a look at their side bar or discord and ask around.
One more thing, GamersNexus on YouTube does reviews of pre builts and they are the best at this sort of thing. Their community is likely very helpful as well.
The biggest issue with most pre-builts is terrible airflow making the expensive components throttle. The (Dell) Alienwares are some of the worst for this.
> You aren’t getting on-site service with a consumer product.
Both Dell and Lenovo do this.
My daughter bought an Alienware laptop for college and when the keyboard broke, they sent a technician to her dorm to fix it (and she goes to school outside of the US).
If on-site service isn’t an option, what about a Mac Pro? At least with Apple I can take the machine to a store if I need to.
