Hardware Spec Index

Zephyra MB-1991 Pro Z790 Micro-ATX DDR4 Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB1991-PRO · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index4,778 (Motherboards scale)
Category rank#30,871
Street price$479
Power44 W
Performance per dollar9.97
Released2022

Specifications

BrandZephyra
ModelZephyra MB-1991 Pro
SocketLGA1700
ChipsetZ790
Form factorMicro-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots4 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM20+2+2 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1700 SocketPCIe 5.0 ExplainedWi-Fi 6E ExplainedAMD AM5 Chipsets Compared

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Cite this page: Hardware Spec Index, “Zephyra MB-1991 Pro Z790 Micro-ATX DDR4 Wi-Fi 6E Motherboard”, https://vextor7.com/item/6838355 (accessed 2026-10-24).