Hardware Spec Index

Halcyra MB-3877 Ultra X670E ATX Wi-Fi 6E Motherboard

Motherboards · Halcyra · SKU MB3877-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index4,798 (Motherboards scale)
Category rank#22,026
Street price$499
Power45 W
Performance per dollar9.62
Released2023

Specifications

BrandHalcyra
ModelHalcyra MB-3877 Ultra
SocketAM5
ChipsetX670E
Form factorATX
Memory2× DDR5 DIMM, up to 96 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots3 total, 2× 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
VRM21+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Halcyra MB-3877 Ultra X670E ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/20077658 (accessed 2026-10-20).