Hardware Spec Index

Halcyra MB-3991 XT B760 E-ATX DDR4 Wi-Fi 6E Motherboard

Motherboards · Halcyra · SKU MB3991-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index4,131 (Motherboards scale)
Category rank#27,843
Street price$399
Power41 W
Performance per dollar10.35
Released2023

Specifications

BrandHalcyra
ModelHalcyra MB-3991 XT
SocketLGA1700
ChipsetB760
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 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingMemory only
VRM19+2+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

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Cite this page: Hardware Spec Index, “Halcyra MB-3991 XT B760 E-ATX DDR4 Wi-Fi 6E Motherboard”, https://vextor7.com/item/16367472 (accessed 2026-10-21).