Hardware Spec Index

Halcyra MB-6491 Prime B550 E-ATX Wi-Fi 6E Motherboard

Motherboards · Halcyra · SKU MB6491-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index3,925 (Motherboards scale)
Category rank#8,971
Street price$309
Power37 W
Performance per dollar12.70
Released2021

Specifications

BrandHalcyra
ModelHalcyra MB-6491 Prime
SocketAM4
ChipsetB550
Form factorE-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM18+2+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysWi-Fi 6E ExplainedAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Halcyra MB-4566 Prime A620 ATX Motherboard2,101$109Compare
Halcyra MB-5963 Core X670E ATX Wi-Fi 6E Motherboard5,080$449Compare
Kyndral MB-3137 Pro X570 ATX Wi-Fi 6 Motherboard3,942$309Compare
Novexa MB-7258 Max X870E ATX Wi-Fi 7 Motherboard4,290$409Compare
Zephyra MB-5859 SE Z790 ATX Wi-Fi 7 Motherboard4,979$489Compare
Orbita MB-1774 Pro X570 Micro-ATX Motherboard1,919$79Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Halcyra MB-6491 Prime B550 E-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/60024366 (accessed 2026-10-25).