Hardware Spec Index

Zephyra MB-4421 Ultra B550 Micro-ATX Motherboard

Motherboards · Zephyra · SKU MB4421-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index2,693 (Motherboards scale)
Category rank#6,620
Street price$129
Power25 W
Performance per dollar20.88
Released2020

Specifications

BrandZephyra
ModelZephyra MB-4421 Ultra
SocketAM4
ChipsetB550
Form factorMicro-ATX
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
VRM13+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
Kyndral MB-3396 Edge B550 Micro-ATX Motherboard2,624$129Compare
Halcyra MB-1575 Max B550 Micro-ATX Wi-Fi 6 Motherboard3,984$289Compare
Halcyra MB-3372 XT Z790 Micro-ATX Wi-Fi 7 Motherboard4,171$359Compare
Zephyra MB-9454 SE X870E Mini-ITX Wi-Fi 7 Motherboard4,639$359Compare
Zephyra MB-7093 SE X570 ATX Wi-Fi 6E Motherboard5,186$549Compare
Kyndral MB-9199 XT B550 E-ATX Wi-Fi 6E Motherboard3,179$219Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-4421 Ultra B550 Micro-ATX Motherboard”, https://vextor7.com/item/68306253 (accessed 2026-10-20).