Hardware Spec Index

Orbita MB-4991 Pro H810 Mini-ITX Motherboard

Motherboards · Orbita · SKU MB4991-PRO · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,237 (Motherboards scale)
Category rank#41,924
Street price$89
Power22 W
Performance per dollar25.13
Released2025

Specifications

BrandOrbita
ModelOrbita MB-4991 Pro
SocketLGA1851
ChipsetH810
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-9000+ (OC, CUDIMM)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingNone
VRM12+1+1 phases, 70 A stages
BIOSUEFI

Related guides

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Cite this page: Hardware Spec Index, “Orbita MB-4991 Pro H810 Mini-ITX Motherboard”, https://vextor7.com/item/7792283 (accessed 2026-10-21).