Hardware Spec Index

Halcyra MB-3678 Plus B550 ATX Motherboard

Motherboards · Halcyra · SKU MB3678-PLUS · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,910 (Motherboards scale)
Category rank#99
Street price$89
Power20 W
Performance per dollar21.46
Released2021

Specifications

BrandHalcyra
ModelHalcyra MB-3678 Plus
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 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

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 SocketIntel LGA1851 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Orbita MB-2704 Plus A620 ATX Motherboard2,501$109Compare
Halcyra MB-8269 Ultra X570 Mini-ITX Wi-Fi 6E Motherboard5,757$669Compare
Zephyra MB-3828 Max B550 ATX Motherboard1,994$99Compare
Orbita MB-2561 XT B860 E-ATX Wi-Fi 7 Motherboard3,713$279Compare
Halcyra MB-6794 Plus X570 Mini-ITX Wi-Fi 6 Motherboard4,331$419Compare
Halcyra MB-4110 Edge X570 ATX Motherboard2,531$119Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Halcyra MB-3678 Plus B550 ATX Motherboard”, https://vextor7.com/item/762514 (accessed 2026-10-26).