Which is better for a home lab server?

The ASRock Rack ROMED8-2T/BCM, because its dual 10Gbase-T and dedicated IPMI let you run it headless on a fast network. The Tyan is cheaper and fine if Gigabit and a monitor are enough.

Is the ASRock Rack worth the extra $105?

Yes if you need 10Gbase-T or out-of-band management, since a 10G NIC and IPMI add-on would cost more than the gap. No if you just need an EPYC board with lots of SATA.

Which has more storage connections?

The Tyan S8030GM2NE, with 14 SATA ports plus 2 M.2. The ASRock Rack trades SATA count for more PCIe 4.0 x16 slots.

Do both support EPYC 7003 with 3D V-Cache?

Yes. Both list AMD EPYC 7002 and 7003 series support, including 3D V-Cache parts, on socket SP3.

Which is better for a GPU workstation?

The ASRock Rack, with 7 PCIe 4.0 x16 slots versus 5 on the Tyan. The Tyan still fits multiple GPUs and costs less.

How much RAM can each take?

Both have 8 DDR4 DIMM slots with ECC. Tyan states up to 2 TB with RDIMM/LRDIMM; ASRock Rack's listed 10 GB maximum is not a real limit for EPYC.

Tyan S8030GM2NE Motherboard vs AsRock Rack ROMED8-2T/BCM Server Motherboard Single Socket SP3 (LGA 4094), supports AMD EPYC 7003 (with AMD 3D V-Cache Technology)/7002 series processors

Both are single-socket SP3 ATX boards for AMD EPYC 7002/7003, so the real choice is price versus ports. The Tyan S8030GM2NE is about $551.57 at CompSource as of November 3, roughly $105 less than the ASRock Rack ROMED8-2T/BCM at $657.00 at DirectDial. Buy the Tyan for a workstation build on a budget; buy the ASRock Rack if you want its extra networking and PCIe layout.

Today the Tyan S8030GM2NE Motherboard costs $105.43 less at its best price.

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