Hardware Spec Index

Zephyra MB-3977 Plus B650E ATX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB3977-PLUS · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index4,613 (Motherboards scale)
Category rank#7,870
Street price$439
Power45 W
Performance per dollar10.51
Released2023

Specifications

BrandZephyra
ModelZephyra MB-3977 Plus
SocketAM5
ChipsetB650E
Form factorATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots5 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
VRM21+2+2 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-3977 Plus B650E ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/18344683 (accessed 2026-10-26).