Hardware Spec Index

Zephyra MB-3870 XT B550 ATX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB3870-XT · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index2,864 (Motherboards scale)
Category rank#34,321
Street price$139
Power27 W
Performance per dollar20.60
Released2021

Specifications

BrandZephyra
ModelZephyra MB-3870 XT
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 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
VRM14+1+1 phases, 50 A stages
BIOSUEFI

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-4755 Pro Z790 Micro-ATX Wi-Fi 7 Motherboard4,512$389Compare
Novexa MB-5478 Ultra H610 E-ATX Motherboard2,144$79Compare
Zephyra MB-2933 Max B650E ATX Wi-Fi 6E Motherboard5,056$519Compare
Kyndral MB-3783 Ti X870E ATX Wi-Fi 7 Motherboard5,466$699Compare
Novexa MB-8419 Max Z890 ATX Wi-Fi 7 Motherboard4,805$419Compare
Orbita MB-6055 Prime H610 ATX DDR4 Motherboard2,290$119Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-3870 XT B550 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/2653787 (accessed 2026-10-18).