Hardware Spec Index

Halcyra MB-3940 Ultra A620 E-ATX Motherboard

Motherboards · Halcyra · SKU MB3940-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index2,067 (Motherboards scale)
Category rank#49,533
Street price$99
Power21 W
Performance per dollar20.88
Released2024

Specifications

BrandHalcyra
ModelHalcyra MB-3940 Ultra
SocketAM5
ChipsetA620
Form factorE-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM12+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Halcyra MB-3940 Ultra A620 E-ATX Motherboard”, https://vextor7.com/item/6509235 (accessed 2026-10-22).