Hardware Spec Index

Novexa MB-3945 Plus B850 ATX Motherboard

Motherboards · Novexa · SKU MB3945-PLUS · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index2,717 (Motherboards scale)
Category rank#42,611
Street price$159
Power27 W
Performance per dollar17.09
Released2025

Specifications

BrandNovexa
ModelNovexa MB-3945 Plus
SocketAM5
ChipsetB850
Form factorATX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots5 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, “Novexa MB-3945 Plus B850 ATX Motherboard”, https://vextor7.com/item/8740547 (accessed 2026-10-23).