Hardware Spec Index

Halcyra MB-3791 Ultra B650 ATX Motherboard

Motherboards · Halcyra · SKU MB3791-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index2,774 (Motherboards scale)
Category rank#13,856
Street price$129
Power25 W
Performance per dollar21.50
Released2026

Specifications

BrandHalcyra
ModelHalcyra MB-3791 Ultra
SocketAM5
ChipsetB650
Form factorATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 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, 70 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Halcyra MB-3791 Ultra B650 ATX Motherboard”, https://vextor7.com/item/6326280 (accessed 2026-10-22).