Is this board worth it over a consumer B650 motherboard?

If you need the AST2600 BMC and dual 25GbE SFP28 ports, yes; those are hard to add to a consumer board. For a plain desktop build, a regular B650 board costs far less.

Which CPUs does it support?

ASRock Rack lists AMD EPYC 4004/4005 and Ryzen 7000/8000/9000 series on socket AM5. The board is rated to 170W with adequate cooling.

Does it support ECC memory?

Yes, the four DDR5 slots support ECC, up to 192 GB at 5600 MHz. Use ECC DIMMs if you want error correction.

Do I need special networking gear for the 25GbE ports?

Yes. The dual SFP28 ports need a 25GbE switch and SFP28 optics or DAC cables. They will not connect to ordinary RJ45 copper without transceivers.

Expect the motherboard, SATA cables, and I/O shield documentation. Confirm the accessory list with the seller before ordering, since listings vary.

The best new price seen is $474.99 at eBay as of November 6, 2026. Server boards like this rarely discount deeply, so watch listings around launch cycles.