Hardware Spec Index

Zephyra MB-9857 Pro B550 Micro-ATX Motherboard

Motherboards · Zephyra · SKU MB9857-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,130 (Motherboards scale)
Category rank#28,005
Street price$89
Power20 W
Performance per dollar23.93
Released2021

Specifications

BrandZephyra
ModelZephyra MB-9857 Pro
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 slots3 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM12+1+1 phases, 50 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-3169 XT A620 ATX Motherboard1,620$69Compare
Orbita MB-3774 XT B650E E-ATX Wi-Fi 6E Motherboard4,934$479Compare
Zephyra MB-7772 Plus H610 ATX Motherboard2,279$109Compare
Orbita MB-9596 Core B550 Micro-ATX Wi-Fi 6E Motherboard3,929$339Compare
Orbita MB-2499 Plus B650 Mini-ITX Wi-Fi 6E Motherboard3,284$209Compare
Halcyra MB-6893 Pro X570 ATX Wi-Fi 6E Motherboard5,223$609Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-9857 Pro B550 Micro-ATX Motherboard”, https://vextor7.com/item/3530443 (accessed 2026-10-19).