Hardware Spec Index

Zephyra MB-4291 Prime B550 Mini-ITX Motherboard

Motherboards · Zephyra · SKU MB4291-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index2,809 (Motherboards scale)
Category rank#30,508
Street price$149
Power27 W
Performance per dollar18.85
Released2021

Specifications

BrandZephyra
ModelZephyra MB-4291 Prime
SocketAM4
ChipsetB550
Form factorMini-ITX
Memory2× DDR4 DIMM, up to 64 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
VRM14+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
Novexa MB-1423 Plus H610 ATX Motherboard2,114$79Compare
Orbita MB-8621 Core H810 Micro-ATX Motherboard2,052$89Compare
Kyndral MB-7173 XT B650 E-ATX Wi-Fi 6E Motherboard3,749$269Compare
Kyndral MB-7722 Core X570 E-ATX Motherboard2,708$159Compare
Halcyra MB-8457 Plus H610 ATX Motherboard2,339$119Compare
Orbita MB-4595 XT X670E Micro-ATX Wi-Fi 6E Motherboard5,671$669Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-4291 Prime B550 Mini-ITX Motherboard”, https://vextor7.com/item/6989676 (accessed 2026-10-23).