Hardware Spec Index

Zephyra MB-9857 SE B550 Micro-ATX Motherboard

Motherboards · Zephyra · SKU MB9857-SE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index2,773 (Motherboards scale)
Category rank#7,264
Street price$129
Power26 W
Performance per dollar21.50
Released2021

Specifications

BrandZephyra
ModelZephyra MB-9857 SE
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 slots5 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
Orbita MB-3641 Ultra X570 ATX Wi-Fi 6E Motherboard4,937$449Compare
Kyndral MB-8907 Edge B550 ATX Wi-Fi 6 Motherboard4,141$279Compare
Novexa MB-7343 Edge X870E Mini-ITX Wi-Fi 7 Motherboard4,841$429Compare
Halcyra MB-2455 SE B650 ATX Wi-Fi 6E Motherboard4,177$329Compare
Zephyra MB-8146 XT B650E E-ATX Wi-Fi 6E Motherboard5,255$599Compare
Halcyra MB-5579 Ultra X570 ATX Motherboard2,521$129Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-9857 SE B550 Micro-ATX Motherboard”, https://vextor7.com/item/54558592 (accessed 2026-10-25).