Hardware Spec Index

Zephyra MB-3920 Ultra B650 Micro-ATX Motherboard

Motherboards · Zephyra · SKU MB3920-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index2,803 (Motherboards scale)
Category rank#32,118
Street price$139
Power26 W
Performance per dollar20.17
Released2024

Specifications

BrandZephyra
ModelZephyra MB-3920 Ultra
SocketAM5
ChipsetB650
Form factorMicro-ATX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM14+1+1 phases, 70 A stages
BIOSUEFI

Related guides

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Cite this page: Hardware Spec Index, “Zephyra MB-3920 Ultra B650 Micro-ATX Motherboard”, https://vextor7.com/item/92712510 (accessed 2026-10-25).