Hardware Spec Index

Halcyra MB-8666 XT X870E Mini-ITX Wi-Fi 7 Motherboard

Motherboards · Halcyra · SKU MB8666-XT · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index4,667 (Motherboards scale)
Category rank#16,519
Street price$509
Power46 W
Performance per dollar9.17
Released2026

Specifications

BrandHalcyra
ModelHalcyra MB-8666 XT
SocketAM5
ChipsetX870E
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots2 total, 2× PCIe 5.0 x4
Rear USB-C2× USB4 40Gbps (Type-C)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM21+2+2 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Halcyra MB-8666 XT X870E Mini-ITX Wi-Fi 7 Motherboard”, https://vextor7.com/item/2964100 (accessed 2026-10-20).