What is the best high-end motherboard for the Ryzen 9 9950X3D?

Be careful tho, most X870E boards actually cap at 5Gb this gen and the lane sharing is a nightmare. If you wanna save money without losing performance, check out Buildzoids VRM breakdowns or Level1Techs. I suggest this combo:

• ASRock X870E Taichi Lite Motherboard
• ASUS XG-C100C 10G Network Adapter That way you get elite power delivery without the premium tax. Just make sure you have the extra PCIe slot!

Ngl I'm super hyped for you! Building with a 9950X3D sounds absolutely amazing but also kinda terrifying with how much power these things pull lol! I've been doing a ton of research because I'm scared of parts overheating and the MSI MEG X870E ACE looks like a total beast for reliability. It actually has the 10Gb LAN you're looking for which is a huge win over the Hero this year! I love that it has that massive finned heatsink over the VRMs... makes me feel way more confident that nothing is gonna melt during your 4K renders. Compared to the ASRock X870E Taichi, which only has 5Gb networking, the MSI is basically the only high-end choice for your NAS setup without buying extra cards. It fits right in your budget too! I've always felt like MSI has such a friendly bios for tweaking things safely tho. Good luck with the weekend build, I'm sure it's gonna be a powerhouse... definitely post pics when it's done!

Forget the Hero since it lacks 10Gb, you really want the ASUS ProArt X870E-Creator WiFi 10Gb LAN DDR5! This board is absolutely amazing for high-end video editing. Ive used the ProArt line for years and the VRM stability during long 4K renders is fantastic. It handles power delivery perfectly and the BIOS memory training is super fast. Its definitely the top-tier choice for your NAS setup!

Honestly, I have been looking at these new X870E specs all day and it is kind of a mess. I have always liked the Hero line but the ASUS ROG Crosshair X870E Hero is a massive disappointment this time around. Spending that much and only getting 5Gb ethernet is a total joke when you have a 10Gb NAS. I had one on the bench recently and the BIOS felt half-baked... training times were honestly painful with a high-capacity kit of G.Skill Trident Z5 Neo RGB 64GB DDR5-6000. It just feels like they are charging for the name now. I had high hopes for the ASRock X870E Taichi too, but the lane sharing is just not as good as expected for a top-tier board. If you populate all the M.2 slots for your 4K footage, you end up gimping your PCIe lanes in ways that just feel unnecessary at this price point. I ran into similar headaches with their older boards and was hoping they would fix the layout for the 9000 series, but it is still kinda clunky. Since you need 10Gb and want to stay under $600, your options are basically non-existent outside of that one specific creator board. Most of these gaming flagships are stuck on 5Gb tho. You might actually be better off grabbing something like the MSI MPG X870E Carbon WiFi and using the savings to buy a dedicated TP-Link TX401 10G PCIe Network Card. It is frustrating that we have to do that at this budget, but the onboard 10Gb market is pretty thin right now.

@Reply #3 - good point! Basically the thread is weighing the ASUS ProArt X870E-Creator WiFi against the raw power delivery of the MSI MEG X870E ACE, while the ASUS ROG Crosshair X870E Hero is definitely falling behind on networking. You might want to consider the complexity of DIY here because the way these new chipsets handle PCIe bifurcation is pretty messy. I would suggest being careful with your lane mapping. It reminds me of when my buddy tried to build a similar rig years ago. He was so focused on the motherboard specs that he forgot to check his case clearance for the massive E-ATX board he bought. He spent his entire weekend trying to dremel out the drive cages just to make it fit, and then he accidentally nicked a trace on the PCB. It was a huge ordeal and he ended up having to buy a whole new setup. Total mess...