I'm planning to build a new gaming rig soon, and I'm feeling really overwhelmed with all the motherboard options out there. I've got my heart set on a 9800x3D processor, a 5070Ti (or maybe a 5080), and 48GB of Corsair 6000 CL30 RAM. I also have a 1000w PSU and I'm considering an Asus X870 MAX GAMING motherboard, but I've seen a lot of opinions suggesting that the B850 might be perfectly adequate and less expensive.
I want to make sure I have good VRM performance—so what numbers do I need to keep an eye on? I've read conflicting information about PCI lanes, and how they might affect performance given that I'll be installing two 4.0 SSDs and possibly a sound card or a video capture card. I've already bought these SSDs, so I hope having two 2TB drives won't create any conflicts. Also, if I go with a sound card down the line, will that cause any issues with other components? Should I stick with the X870 or go for a B850? And I'm aiming for a white motherboard for my build aesthetic. I'm just really confused and could use some clarity!
3 Answers
Honestly, if you're looking at a B850, that's a solid choice! Unless you're an extreme gamer or trying to max out every detail, the B850 will handle everything just fine. Just look for one that supports all your parts, and remember—numbers can be misleading. Sometimes a bigger number doesn't mean better performance!
Yeah, just because something has big specs doesn’t mean it’s necessary for your setup!
For the 9800x3D, most ATX boards over $150 should work great. You don’t really need to worry much about VRMs with that setup, just make sure it’s compatible. I’d steer clear of Asrock boards as they’ve had issues with frying up the 9800s. Stick with a trusted brand and you’ll be fine!
Thanks for the tip! I’ll cross Asrock off the list.
X870 offers more features like extra PCI lanes and M.2 slots, but if you're on a budget, definitely go with a B850. It has enough features for most gamers and is cheaper. Just make sure to pick one that meets your needs, especially when it comes to PCI lane sharing for your SSDs and any other cards you might add later on. If you do want a white motherboard, plan to spend a bit more!
I figured it wouldn’t be cheap! Thanks for the heads up.
Yeah, white components often come with a premium! Gotta be ready for that!

So big numbers are just flashy? I’ll keep that in mind while shopping!