Orbita MB-4778 Ultra B860 Mini-ITX Wi-Fi 7 Motherboard
Motherboards · Orbita · SKU MB4778-ULTRA · Released 2025 · Updated 2026-10-27
Key facts
| Benchmark index | 3,843 (Motherboards scale) |
|---|---|
| Category rank | #38,158 |
| Street price | $299 |
| Power | 36 W |
| Performance per dollar | 12.85 |
| Released | 2025 |
Specifications
| Brand | Orbita |
|---|---|
| Model | Orbita MB-4778 Ultra |
| Socket | LGA1851 |
| Chipset | B860 |
| Form factor | Mini-ITX |
| Memory | 2× DDR5 DIMM, up to 128 GB |
| Max memory speed | DDR5-9000+ (OC, CUDIMM) |
| Primary x16 slot | PCIe 5.0 x16 |
| M.2 slots | 2 total, 1× PCIe 5.0 x4 |
| Rear USB-C | 1× USB 3.2 Gen 2x2 20Gbps (Type-C) |
| Ethernet | 2.5GbE |
| Wireless | Wi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4 |
| Overclocking | Memory only |
| VRM | 17+2+1 phases, 70 A stages |
| BIOS | Dual UEFI, BIOS flashback button |
Related guides
PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1851 SocketIntel 800 Series ChipsetsDDR5 Memory ExplainedPCIe 5.0 Explained
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Cite this page: Hardware Spec Index, “Orbita MB-4778 Ultra B860 Mini-ITX Wi-Fi 7 Motherboard”, https://vextor7.com/item/12950819 (accessed 2026-10-27).