Hardware Spec Index

Zephyra MB-6641 Prime B550 ATX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB6641-PRIME · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index3,213 (Motherboards scale)
Category rank#38,297
Street price$199
Power32 W
Performance per dollar16.15
Released2021

Specifications

BrandZephyra
ModelZephyra MB-6641 Prime
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots5 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
VRM16+1+1 phases, 70 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
Zephyra MB-4936 Max Z890 ATX Wi-Fi 7 Motherboard5,173$479Compare
Kyndral MB-9381 Core B650 ATX Wi-Fi 6E Motherboard3,953$309Compare
Kyndral MB-3189 Core X570 ATX Wi-Fi 6 Motherboard5,795$649Compare
Zephyra MB-2430 XT A620 Micro-ATX Motherboard1,915$79Compare
Halcyra MB-4883 Ti B760 Micro-ATX Wi-Fi 6E Motherboard3,635$299Compare
Zephyra MB-9725 Ti X870E ATX Wi-Fi 7 Motherboard4,974$399Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-6641 Prime B550 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/6759809 (accessed 2026-10-19).