Hardware Spec Index

Orbita MB-7781 Prime B650 E-ATX Wi-Fi 7 Motherboard

Motherboards · Orbita · SKU MB7781-PRIME · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index4,076 (Motherboards scale)
Category rank#8,839
Street price$329
Power40 W
Performance per dollar12.39
Released2025

Specifications

BrandOrbita
ModelOrbita MB-7781 Prime
SocketAM5
ChipsetB650
Form factorE-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots5 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM19+2+1 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 SocketAMD AM5 Chipsets ComparedDDR5 Memory ExplainedPCIe 5.0 Explained

Similar Motherboards

ModelBenchmarkPriceCompare
Kyndral MB-2074 Pro B760 Micro-ATX Wi-Fi 6E Motherboard3,301$199Compare
Zephyra MB-7528 Pro X570 Micro-ATX Wi-Fi 6 Motherboard4,800$439Compare
Orbita MB-1265 Ultra H610 ATX DDR4 Motherboard1,657$69Compare
Halcyra MB-6439 Ultra X570 Micro-ATX Wi-Fi 6 Motherboard2,885$169Compare
Halcyra MB-5472 Ultra X570 Micro-ATX Motherboard1,746$79Compare
Novexa MB-7833 Core X570 ATX Wi-Fi 6E Motherboard5,257$489Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Orbita MB-7781 Prime B650 E-ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/5016491 (accessed 2026-10-22).