Hardware Spec Index

Halcyra MB-8646 Plus Z890 Micro-ATX Wi-Fi 7 Motherboard

Motherboards · Halcyra · SKU MB8646-PLUS · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index4,831 (Motherboards scale)
Category rank#3,628
Street price$389
Power44 W
Performance per dollar12.42
Released2024

Specifications

BrandHalcyra
ModelHalcyra MB-8646 Plus
SocketLGA1851
ChipsetZ890
Form factorMicro-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-9000+ (OC, CUDIMM)
Primary x16 slotPCIe 5.0 x16
M.2 slots2 total, 1× PCIe 5.0 x4
Rear USB-C2× Thunderbolt 4 (40Gbps, Type-C)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM20+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1851 SocketIntel 800 Series ChipsetsDDR5 Memory ExplainedPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Halcyra MB-8646 Plus Z890 Micro-ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/2214843 (accessed 2026-10-26).