Hardware Spec Index

Novexa MB-6991 Ultra B650 E-ATX Motherboard

Motherboards · Novexa · SKU MB6991-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index2,564 (Motherboards scale)
Category rank#14,196
Street price$129
Power26 W
Performance per dollar19.88
Released2023

Specifications

BrandNovexa
ModelNovexa MB-6991 Ultra
SocketAM5
ChipsetB650
Form factorE-ATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (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, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Novexa MB-6991 Ultra B650 E-ATX Motherboard”, https://vextor7.com/item/79481633 (accessed 2026-10-22).