Hardware Spec Index

Halcyra MB-3666 Pro B650 ATX Wi-Fi 7 Motherboard

Motherboards · Halcyra · SKU MB3666-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index4,196 (Motherboards scale)
Category rank#32,359
Street price$359
Power40 W
Performance per dollar11.69
Released2026

Specifications

BrandHalcyra
ModelHalcyra MB-3666 Pro
SocketAM5
ChipsetB650
Form factorATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM19+2+1 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Halcyra MB-3666 Pro B650 ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/814599 (accessed 2026-10-20).