Hardware Spec Index

Zephyra MB-9991 Plus X570 Micro-ATX Motherboard

Motherboards · Zephyra · SKU MB9991-PLUS · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,655 (Motherboards scale)
Category rank#41,212
Street price$69
Power17 W
Performance per dollar23.99
Released2019

Specifications

BrandZephyra
ModelZephyra MB-9991 Plus
SocketAM4
ChipsetX570
Form factorMicro-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet1GbE
WirelessNone
OverclockingCPU + memory
VRM11+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Zephyra MB-9991 Plus X570 Micro-ATX Motherboard”, https://vextor7.com/item/56408 (accessed 2026-10-19).