Don't overlook the motherboard. It's what handles communications between your processor, RAM, GPU, and all other connected hardware. It's incredibly important and is used to connect everything together. Spending a little more on your motherboard allows you to do more with all other components.
To help you make the right decision with the AMD Ryzen 3800X, we've rounded up the best motherboards.
If you don't want to settle with X470, a motherboard with the X570 chipset is the ideal match for the Ryzen 7 3800X CPU. The ASUS ROG Strix X570-E supports PCIe 4.0, Wi-Fi 6, and comes rocking Gen 4 M.2 slots with transfer speeds up to 64 GB/s.
ASRock's B550M Steel Legend is the same motherboard as it replaced, except it comes rocking the newer chipset for Ryzen 5000 support and PCIe 4.0. Even if you plan to use Ryzen 3000 CPUs, this motherboard will let you save some money and retain the ability to overclock the processor.
This is about as budget-friendly as you're going to get with X570 motherboards. You're not losing much in terms of functionality, however, as this ASUS board comes rocking plenty of features and substantial VRM heatsinks for better system stability.
You will have to give up on PCIe 4.0, but the A520 chipset from AMD lets you use the Ryzen 7 3800X as well as newer Ryzen 5000 series processors. It's also incredibly affordable, with this Gigabyte A520 board coming in at less than $100.
Should you be an enthusiast or want the very best X570 has to offer, the ASUS ROG Crosshair VIII Formula is a ridiculous board, reflected in the price. It's perfect for the Ryzen 7 3800X with plenty of features, including a heatsink block that can be connected to your custom water-cooling loop.
Choosing the best AMD motherboard
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Whichever motherboard you decide to go with from our collection, your AMD Ryzen 7 3800X will be a happy chappy. You'll be able to get the most out of the processor with something like the ASUS ROG Strix X570-E with stable overclocking capabilities and some of the newer features from AMD's platform like PCIe 4.0.
The newer X570 chipset is a substantial upgrade from AMD for Ryzen 3000 series processors. There are numerous options available, including our top pick, but our secondary recommendation goes to the MSI MPG X570 GAMING PLUS, rocking PCIe 4.0 support, high-quality components, and great BIOS. It's a solid entry point for newer boards.
Luckily, the AMD Ryzen 7 3800X isn't the world's most powerful processor and as such, you won't be required to spend a small fortune on a motherboard to really push it hard.
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Rich Edmonds was formerly a Senior Editor of PC hardware at Windows Central, covering everything related to PC components and NAS. He's been involved in technology for more than a decade and knows a thing or two about the magic inside a PC chassis. You can follow him on Twitter at @RichEdmonds.