Hardware Spec Index

Kyndral MB-4909 Ultra B550 ATX Motherboard

Motherboards · Kyndral · SKU MB4909-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index2,638 (Motherboards scale)
Category rank#2,244
Street price$109
Power24 W
Performance per dollar24.20
Released2021

Specifications

BrandKyndral
ModelKyndral MB-4909 Ultra
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM13+1+1 phases, 60 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
Novexa MB-8935 SE X570 ATX Wi-Fi 6 Motherboard4,548$469Compare
Halcyra MB-1531 Pro B650 Mini-ITX Wi-Fi 7 Motherboard3,764$239Compare
Kyndral MB-5711 Pro X570 ATX Wi-Fi 6 Motherboard5,417$589Compare
Novexa MB-5223 Prime X570 ATX Wi-Fi 6E Motherboard5,311$659Compare
Orbita MB-3056 XT X570 Micro-ATX Wi-Fi 6 Motherboard4,484$389Compare
Halcyra MB-1292 Ultra B550 Micro-ATX Wi-Fi 6E Motherboard4,402$379Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-4909 Ultra B550 ATX Motherboard”, https://vextor7.com/item/9973663 (accessed 2026-10-23).