Hardware Spec Index

Novexa MB-5557 Prime B650 ATX Wi-Fi 6E Motherboard

Motherboards · Novexa · SKU MB5557-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index3,804 (Motherboards scale)
Category rank#30,427
Street price$269
Power36 W
Performance per dollar14.14
Released2023

Specifications

BrandNovexa
ModelNovexa MB-5557 Prime
SocketAM5
ChipsetB650
Form factorATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 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
VRM17+2+1 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Novexa MB-5557 Prime B650 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/69011947 (accessed 2026-10-23).