Hardware Spec Index

Halcyra MB-8666 SE X570 E-ATX Motherboard

Motherboards · Halcyra · SKU MB8666-SE · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index2,044 (Motherboards scale)
Category rank#46,159
Street price$79
Power20 W
Performance per dollar25.87
Released2021

Specifications

BrandHalcyra
ModelHalcyra MB-8666 SE
SocketAM4
ChipsetX570
Form factorE-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM12+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Halcyra MB-8666 SE X570 E-ATX Motherboard”, https://vextor7.com/item/2995025 (accessed 2026-10-26).