Hardware Spec Index

Novexa MB-3781 Prime B850 Mini-ITX Wi-Fi 6E Motherboard

Motherboards · Novexa · SKU MB3781-PRIME · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index3,361 (Motherboards scale)
Category rank#15,842
Street price$209
Power32 W
Performance per dollar16.08
Released2025

Specifications

BrandNovexa
ModelNovexa MB-3781 Prime
SocketAM5
ChipsetB850
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM16+1+1 phases, 70 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Novexa MB-3781 Prime B850 Mini-ITX Wi-Fi 6E Motherboard”, https://vextor7.com/item/14852129 (accessed 2026-10-22).