Hardware Spec Index

Halcyra MB-4866 Pro B550 Micro-ATX Wi-Fi 6E Motherboard

Motherboards · Halcyra · SKU MB4866-PRO · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index3,797 (Motherboards scale)
Category rank#11,347
Street price$269
Power34 W
Performance per dollar14.12
Released2022

Specifications

BrandHalcyra
ModelHalcyra MB-4866 Pro
SocketAM4
ChipsetB550
Form factorMicro-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM17+1+1 phases, 60 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

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Cite this page: Hardware Spec Index, “Halcyra MB-4866 Pro B550 Micro-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/46069951 (accessed 2026-10-25).