Hardware Spec Index

Zephyra MB-7677 Plus B550 ATX Wi-Fi 6 Motherboard

Motherboards · Zephyra · SKU MB7677-PLUS · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index3,101 (Motherboards scale)
Category rank#40,639
Street price$209
Power31 W
Performance per dollar14.84
Released2020

Specifications

BrandZephyra
ModelZephyra MB-7677 Plus
SocketAM4
ChipsetB550
Form factorATX
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
WirelessWi-Fi 6 (802.11ax) + Bluetooth 5.2
OverclockingCPU + memory
VRM16+1+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-7677 Plus B550 ATX Wi-Fi 6 Motherboard”, https://vextor7.com/item/11205992 (accessed 2026-10-22).