Hardware Spec Index

Halcyra MB-4991 Ultra Z890 ATX Wi-Fi 7 Motherboard

Motherboards · Halcyra · SKU MB4991-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index4,716 (Motherboards scale)
Category rank#20,604
Street price$459
Power45 W
Performance per dollar10.27
Released2025

Specifications

BrandHalcyra
ModelHalcyra MB-4991 Ultra
SocketLGA1851
ChipsetZ890
Form factorATX
Memory2× DDR5 DIMM, up to 128 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, 90 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-4991 Ultra Z890 ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/93035579 (accessed 2026-10-22).