Hardware Spec Index

Halcyra MB-8405 Prime B650 E-ATX Wi-Fi 6E Motherboard

Motherboards · Halcyra · SKU MB8405-PRIME · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index3,589 (Motherboards scale)
Category rank#18,437
Street price$199
Power33 W
Performance per dollar18.04
Released2022

Specifications

BrandHalcyra
ModelHalcyra MB-8405 Prime
SocketAM5
ChipsetB650
Form factorE-ATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total, 1× PCIe 5.0 x4
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
VRM16+1+1 phases, 70 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Halcyra MB-8405 Prime B650 E-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/29955121 (accessed 2026-10-24).