Hardware Spec Index

Zephyra MB-3947 SE B550 ATX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB3947-SE · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index3,017 (Motherboards scale)
Category rank#22,043
Street price$189
Power30 W
Performance per dollar15.96
Released2022

Specifications

BrandZephyra
ModelZephyra MB-3947 SE
SocketAM4
ChipsetB550
Form factorATX
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)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM15+1+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysWi-Fi 6E ExplainedAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Halcyra MB-4295 Max X570 Micro-ATX Wi-Fi 6E Motherboard5,516$559Compare
Orbita MB-2341 Plus X570 ATX Wi-Fi 6 Motherboard3,159$199Compare
Halcyra MB-7035 Core H610 E-ATX DDR4 Motherboard2,585$109Compare
Zephyra MB-5707 Prime A620 ATX Motherboard1,528$69Compare
Kyndral MB-1579 Plus Z790 Micro-ATX Wi-Fi 6E Motherboard4,909$439Compare
Zephyra MB-7601 XT B650 Micro-ATX Wi-Fi 6E Motherboard2,916$169Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-3947 SE B550 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/4545535 (accessed 2026-10-22).