Hardware Spec Index

Halcyra MB-9991 Pro B650 ATX Motherboard

Motherboards · Halcyra · SKU MB9991-PRO · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index2,568 (Motherboards scale)
Category rank#28,247
Street price$129
Power25 W
Performance per dollar19.91
Released2024

Specifications

BrandHalcyra
ModelHalcyra MB-9991 Pro
SocketAM5
ChipsetB650
Form factorATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM14+1+1 phases, 50 A stages
BIOSUEFI

Related guides

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Cite this page: Hardware Spec Index, “Halcyra MB-9991 Pro B650 ATX Motherboard”, https://vextor7.com/item/7530974 (accessed 2026-10-26).