Hardware Spec Index

Halcyra MB-3905 Ultra A620 ATX Motherboard

Motherboards · Halcyra · SKU MB3905-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,986 (Motherboards scale)
Category rank#10,520
Street price$79
Power21 W
Performance per dollar25.14
Released2024

Specifications

BrandHalcyra
ModelHalcyra MB-3905 Ultra
SocketAM5
ChipsetA620
Form factorATX
Memory2× DDR5 DIMM, up to 128 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-3905 Ultra A620 ATX Motherboard”, https://vextor7.com/item/4674166 (accessed 2026-10-19).