Hardware Spec Index

Zephyra MB-6991 Edge B550 ATX Motherboard

Motherboards · Zephyra · SKU MB6991-EDGE · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,620 (Motherboards scale)
Category rank#41,796
Street price$69
Power16 W
Performance per dollar23.48
Released2021

Specifications

BrandZephyra
ModelZephyra MB-6991 Edge
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
WirelessNone
OverclockingCPU + memory
VRM10+1+1 phases, 50 A stages
BIOSUEFI

Related guides

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

Similar Motherboards

ModelBenchmarkPriceCompare
Kyndral MB-2449 Pro X570 Micro-ATX Motherboard1,961$79Compare
Novexa MB-2938 SE X570 E-ATX Wi-Fi 6 Motherboard3,021$159Compare
Novexa MB-5410 Prime X570 ATX Wi-Fi 6E Motherboard5,574$679Compare
Orbita MB-6948 Max A620 Micro-ATX Motherboard1,837$69Compare
Kyndral MB-6919 Ti X870E E-ATX Wi-Fi 7 Motherboard4,665$399Compare
Kyndral MB-6621 XT B650 Mini-ITX Wi-Fi 7 Motherboard4,377$359Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-6991 Edge B550 ATX Motherboard”, https://vextor7.com/item/12697016 (accessed 2026-10-21).