Hardware Spec Index

Zephyra MB-8374 Ultra B550 ATX Motherboard

Motherboards · Zephyra · SKU MB8374-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index2,815 (Motherboards scale)
Category rank#16,097
Street price$149
Power26 W
Performance per dollar18.89
Released2020

Specifications

BrandZephyra
ModelZephyra MB-8374 Ultra
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total
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

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

Similar Motherboards

ModelBenchmarkPriceCompare
Novexa MB-9445 Prime B650 ATX Wi-Fi 6E Motherboard3,485$199Compare
Orbita MB-7523 Ultra H810 Micro-ATX Motherboard2,640$129Compare
Novexa MB-4359 Core X570 Mini-ITX Wi-Fi 6 Motherboard5,269$629Compare
Kyndral MB-4726 Prime B550 Mini-ITX Motherboard1,925$79Compare
Kyndral MB-3083 Edge A620 Micro-ATX Motherboard1,868$79Compare
Zephyra MB-9136 SE X570 ATX Wi-Fi 6 Motherboard4,820$409Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-8374 Ultra B550 ATX Motherboard”, https://vextor7.com/item/20040850 (accessed 2026-10-20).