Orbita MB-3991 Prime X570 Micro-ATX Wi-Fi 6 Motherboard
Motherboards · Orbita · SKU MB3991-PRIME · Released 2019 · Updated 2026-10-20
Key facts
| Benchmark index | 4,166 (Motherboards scale) |
|---|---|
| Category rank | #12,869 |
| Street price | $329 |
| Power | 39 W |
| Performance per dollar | 12.66 |
| Released | 2019 |
Specifications
| Brand | Orbita |
|---|---|
| Model | Orbita MB-3991 Prime |
| Socket | AM4 |
| Chipset | X570 |
| Form factor | Micro-ATX |
| Memory | 4× DDR4 DIMM, up to 128 GB |
| Max memory speed | DDR4-4800+ (OC) |
| Primary x16 slot | PCIe 4.0 x16 |
| M.2 slots | 3 total |
| Rear USB-C | 1× USB 3.2 Gen 2 10Gbps (Type-C) |
| Ethernet | 1GbE |
| Wireless | Wi-Fi 6 (802.11ax) + Bluetooth 5.2 |
| Overclocking | CPU + memory |
| VRM | 18+2+1 phases, 90 A stages |
| BIOS | Dual UEFI, BIOS flashback button |
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Cite this page: Hardware Spec Index, “Orbita MB-3991 Prime X570 Micro-ATX Wi-Fi 6 Motherboard”, https://vextor7.com/item/7598566 (accessed 2026-10-20).