Are these parts all compatible?
AMD Ryzen 5 3600, 6x 3.60GHz, boxed
Gigabyte GeForce GTX 1660 SUPER Gaming OC 6G, 6GB GDDR6
Western Digital WD Blue 3D NAND SATA SSD 500GB, SATA
MSI B450-A Pro Max
be quiet! Pure Power 11 CM 500W ATX 2.4
G.Skill Aegis DIMM Kit 16GB, DDR4-3200, CL16-18-18-38
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Do I have decent gaming performance in Fortnite with medium settings if everything fits?
Yes very good. Would only take the GSkill Ripjaws RAM since the Aegis is not supposed to be very good.
I'm not 100% sure right now, but I think 450 mainboards are compatible with Ryzen 3600 but only after a BIOS update, which you have to do with an older processor. Better look for a 550 motherboard
Everything fits.
You should definitely be able to play most games in good quality.
Good configuration Have fun
Yes fits. I would take a little more memory but that's up to you.
Do I have to do a BIOS update or is everything working?
This should fit.
I did👍🏻🙂 Thank you
Nope, that's not entirely true. MSI has invented motherboards with AMD 400 series chipsets with the MAX behind them. These support Ryzen 3000 series CPUs without BIOS / UEFI update.
Does the Gigabyte GeForce GTX 1660 super Gaming Oc fit in this case?
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Yes.