Hardware Spec Index

Halcyra MB-6558 Pro B550 E-ATX Motherboard

Motherboards · Halcyra · SKU MB6558-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,327 (Motherboards scale)
Category rank#40,974
Street price$89
Power22 W
Performance per dollar26.15
Released2021

Specifications

BrandHalcyra
ModelHalcyra MB-6558 Pro
SocketAM4
ChipsetB550
Form factorE-ATX
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
VRM12+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Halcyra MB-6558 Pro B550 E-ATX Motherboard”, https://vextor7.com/item/7269442 (accessed 2026-10-20).