Hardware Spec Index

Kyndral MB-9903 Prime A620 E-ATX Motherboard

Motherboards · Kyndral · SKU MB9903-PRIME · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,949 (Motherboards scale)
Category rank#9,602
Street price$89
Power19 W
Performance per dollar21.90
Released2023

Specifications

BrandKyndral
ModelKyndral MB-9903 Prime
SocketAM5
ChipsetA620
Form factorE-ATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM11+1+1 phases, 50 A stages
BIOSUEFI

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 SocketAMD AM5 Chipsets ComparedDDR5 Memory ExplainedIntel 800 Series Chipsets

Similar Motherboards

ModelBenchmarkPriceCompare
Zephyra MB-7662 Max X570 ATX Wi-Fi 6 Motherboard4,394$439Compare
Novexa MB-5689 Max B650E Micro-ATX Wi-Fi 7 Motherboard5,899$599Compare
Zephyra MB-7721 Max B650 Micro-ATX Wi-Fi 7 Motherboard4,359$329Compare
Orbita MB-4839 Prime B550 E-ATX Wi-Fi 6E Motherboard3,993$299Compare
Novexa MB-2724 Core B550 Micro-ATX Wi-Fi 6E Motherboard2,869$149Compare
Zephyra MB-7606 Max B650 Micro-ATX Wi-Fi 7 Motherboard3,956$339Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-9903 Prime A620 E-ATX Motherboard”, https://vextor7.com/item/5186378 (accessed 2026-10-25).