Hardware Spec Index

Zephyra MB-1898 Prime B550 Micro-ATX Motherboard

Motherboards · Zephyra · SKU MB1898-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index2,036 (Motherboards scale)
Category rank#47,654
Street price$89
Power21 W
Performance per dollar22.88
Released2021

Specifications

BrandZephyra
ModelZephyra MB-1898 Prime
SocketAM4
ChipsetB550
Form factorMicro-ATX
Memory2× DDR4 DIMM, up to 64 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM12+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Zephyra MB-1898 Prime B550 Micro-ATX Motherboard”, https://vextor7.com/item/61672748 (accessed 2026-10-21).