Hardware Spec Index

Novexa MB-8390 Prime B550 ATX Motherboard

Motherboards · Novexa · SKU MB8390-PRIME · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index2,078 (Motherboards scale)
Category rank#28,431
Street price$89
Power20 W
Performance per dollar23.35
Released2020

Specifications

BrandNovexa
ModelNovexa MB-8390 Prime
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM12+1+1 phases, 60 A stages
BIOSUEFI

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 SocketIntel LGA1851 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Halcyra MB-8854 SE X570 ATX Wi-Fi 6E Motherboard4,980$439Compare
Zephyra MB-8087 Max B850 Mini-ITX Wi-Fi 6E Motherboard2,979$159Compare
Novexa MB-8586 XT B860 Micro-ATX Motherboard2,588$139Compare
Halcyra MB-2574 XT Z890 Mini-ITX Wi-Fi 7 Motherboard5,317$519Compare
Zephyra MB-5579 XT X670E ATX Wi-Fi 6E Motherboard5,201$549Compare
Kyndral MB-8923 Core H810 ATX Motherboard2,103$89Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Novexa MB-8390 Prime B550 ATX Motherboard”, https://vextor7.com/item/1407265 (accessed 2026-10-25).