Hardware Spec Index

Zephyra MB-6646 Core B550 ATX Wi-Fi 6 Motherboard

Motherboards · Zephyra · SKU MB6646-CORE · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index3,973 (Motherboards scale)
Category rank#15,455
Street price$319
Power37 W
Performance per dollar12.45
Released2020

Specifications

BrandZephyra
ModelZephyra MB-6646 Core
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 6 (802.11ax) + Bluetooth 5.2
OverclockingCPU + memory
VRM18+2+1 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 SocketIntel LGA1851 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Zephyra MB-5586 Ti Z890 E-ATX Wi-Fi 7 Motherboard5,734$679Compare
Zephyra MB-8296 Pro X570 ATX Wi-Fi 6 Motherboard3,585$199Compare
Novexa MB-2542 XT B650 ATX Wi-Fi 6E Motherboard3,471$239Compare
Kyndral MB-4444 XT A620 ATX Motherboard2,186$109Compare
Halcyra MB-7744 Pro X670E ATX Wi-Fi 6E Motherboard4,786$449Compare
Zephyra MB-4644 Prime X570 E-ATX Wi-Fi 6E Motherboard4,682$439Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-6646 Core B550 ATX Wi-Fi 6 Motherboard”, https://vextor7.com/item/5583017 (accessed 2026-10-20).