Hardware Spec Index

Zephyra MB-2990 Ultra B550 ATX Motherboard

Motherboards · Zephyra · SKU MB2990-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index2,342 (Motherboards scale)
Category rank#25,449
Street price$99
Power22 W
Performance per dollar23.66
Released2021

Specifications

BrandZephyra
ModelZephyra MB-2990 Ultra
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots5 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM13+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Zephyra MB-2990 Ultra B550 ATX Motherboard”, https://vextor7.com/item/93484001 (accessed 2026-10-22).