Been going crazy for 3 days trying to pick a solution for my new computer...need some advice!

if the op is ready and confident, no brainer.

^+1 Jaslion, and madmatt30 are correct. The Ryzen does not have a built in GPU. However, for your needs a straightforward low cost GPU will fit nicely with the Ryzen. Something like a gt1030 4gb will do fine. Then you have a system which is well capable for your needs, is upgrade-able, and will do you all you need and more.

MERGED QUESTION
Question from Satearn : "Warranty service and scenarios self build versus onsite prebuilt Dell, Lenovo or HP 3 years warranties"



If you plan on gaming with this machine buying a Dell or HP is a terrible idea.

Prebuilts are good if you need a regular PC with no maintenance and no plans to upgrade, because many are made to be tough to impossible to do more than a hard drive or memory upgrade to.

BTW CPUs don't break, they have like a .6% failure rate. Motherboards as well do not fail that often. You are far better off building it yourself.

Warranty doesn't cover down-time, just cost. If there's an issue you can't fix quick and easy, you call Dell. Dell will either tell you to ship it or drop it off at a center. Now sit back and wait for a week or 2 with no pc.
Build it yourself. Same issue you can't quick and easy fix. Ask questions here or someplace else, spend a day or 2 troubleshooting, maybe get a fix maybe need a new part (RMA if still covered under manufactures warranty). Down-time 2 days-2 weeks.
So warranty is questionable, depending on your work needs, you might loose more time/money with a warranty than spending out for a replacement part.

I've dealt with Dell several times over the years, their warranty is decent, as is their customer service and repair. But make no mistake, if they feel they need to totally wipe out and restore windows to fix the issue, they will do so and not blink. Best hope you have everything backed up separately before shipping them a pc.

All new parts are covered for a time by the vendor, could be 30 days to a year generally. After that, there's manufacturer warranty, usually at least a year, some parts as much as 10 years. Dell is good parts/labor for a year unless you pay a bunch extra for 3 or more years. After that year, you are on your own, not even covered by manufacturer warranty, it's a pre-built, Dell assumes the warranty.

Everybody has a horror story. Pick a brand, be it pre-built or home built, there is a horror story or 100 that still there. Ask ppl about MSI RMA department being 2 drunk old rednecks in a garage. I've RMA'd plenty in 30 odd years of playing with hardware, both professionally and amateur home builds, my last RMA was my own Asus p8z77-v LE motherboard when a ram slot literally fell off. Sent it in under RMA, got a brand new board in the mail 6 days later. Evga gpu, 3 days via Express overnight delivery. I could go on and on. I've never personally had a bad experience with any RMA, but then again, I make well sure that they get every scrap of documentation, packaging, parts they require. Be surprised how much holdup time there is because someone forgot to mail a copy of the store receipt, with the upc from the box etc. 4 months? Blame Asus if you want, I'll lay odds it was the owners fault because he forgot something, or failed to disclose the fact he dumped a coke into the pc and shorted out the mobo. You'll find that many of the complaints and horror stories are like that, user abuse you aren't told about, all you see is 'it died, so I mailed it in, and it took 4 months to get a replacement'

Oh, forgot to add. OEM for Dell motherboard include Asus, MSI and Gigabyte, and have for many years, so probably not going to make much difference if you get an Asus mobo with Dell lettering on it, or an Asus mobo with Asus lettering, other than the chances of owning a significantly better board come with buying your own. Pre-builts tend to use the lowest budget stuff they can, just to cut costs.