Ok, so there is really NO reason to use multiple monitors for music production unless you need to use more than 3 displays, and only if they ALL need to have distinctly different displays with no duplicated displays. If you only need three or less displays, whether they are all different or all showing the same thing, then you only need one graphics card. And you might not need more than one graphics card even if you need four or five unique displays, as there are some other alternatives since these will not be gaming displays. I'd say you don't need more than one graphics card most probably.
Most Adobe applications are primarily single core focused, however I still think the 3700x is a good choice for you as you will likely be doing some amount of heavy multitasking AND future releases of those applications, according to Puget systems, who does extensive testing of productivity software in addition to selling custom turnkey solutions and custom PC's, are pretty likely to begin seeing the inclusion of optimization for additional core usage.
The ASRock X570 Taichi has support for 3 graphics card, 3 NVME M.2 drives (3rd x16 PCIe slot will be disabled if all 3 PCI M.2 slots are used), it will easily support any of the Ryzen CPUs that the Crosshair Hero will support, has high speed Bluetooth 5.0 support and like all modern motherboards supports additional HDD and SSDs.
It's about 50 bucks cheaper than the Crosshair hero.
If you'd like to save a considerable amount of money and still get a fantastic board that will easily support not just the 3700x but up to and including the 3950x, then the B450 Gaming Pro carbon supports up to two graphics cards, has Bluetooth 5.0 support, has two PCI M.2 slots and again will support just about any CPU being currently sold in the Ryzen portfolio. It's about two hundred dollars cheaper.
This would be a good read when it comes to potential choices for high end boards. If you're willing to drop a few more requirements off such as only needing a single M.2 drive, which really shouldn't be that big of a deal because unless you are transferring directly from M.2 to M.2 drive, you are rarely going to see any speeds that are consistently faster than what you'd see during random operations with a regular SATA SSD, then the B450 Tomahawk max might be a good choice. And for these types of programs, random operations are what you will be doing 90% of the time.
As we anticipated when we reviewed AMD's new flagship 16-core Ryzen 9 3950X, rather than testing it on the very high-end Gigabyte X570 Aorus Xtreme, we want...
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