Hardware Spec Index

Orbita MB-4789 Core B550 Micro-ATX Wi-Fi 6E Motherboard

Motherboards · Orbita · SKU MB4789-CORE · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index4,355 (Motherboards scale)
Category rank#5,311
Street price$329
Power39 W
Performance per dollar13.24
Released2022

Specifications

BrandOrbita
ModelOrbita MB-4789 Core
SocketAM4
ChipsetB550
Form factorMicro-ATX
Memory2× DDR4 DIMM, up to 64 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM19+2+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

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Cite this page: Hardware Spec Index, “Orbita MB-4789 Core B550 Micro-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/21871495 (accessed 2026-10-25).