Halcyra MB-9666 Prime B650E Micro-ATX Wi-Fi 6E Motherboard
Motherboards · Halcyra · SKU MB9666-PRIME · Released 2022 · Updated 2026-10-26
Key facts
| Benchmark index | 4,984 (Motherboards scale) |
|---|---|
| Category rank | #48,504 |
| Street price | $459 |
| Power | 47 W |
| Performance per dollar | 10.86 |
| Released | 2022 |
Specifications
| Brand | Halcyra |
|---|---|
| Model | Halcyra MB-9666 Prime |
| Socket | AM5 |
| Chipset | B650E |
| Form factor | Micro-ATX |
| Memory | 4× DDR5 DIMM, up to 192 GB |
| Max memory speed | DDR5-6400+ (OC) |
| Primary x16 slot | PCIe 5.0 x16 |
| M.2 slots | 4 total, 1× PCIe 5.0 x4 |
| Rear USB-C | 1× USB 3.2 Gen 2x2 20Gbps (Type-C) |
| Ethernet | 2.5GbE |
| Wireless | Wi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3 |
| Overclocking | CPU + memory |
| VRM | 21+2+2 phases, 110 A stages |
| BIOS | Dual UEFI, BIOS flashback button |
Related guides
PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 SocketAMD AM5 Chipsets ComparedDDR5 Memory ExplainedPCIe 5.0 Explained
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Cite this page: Hardware Spec Index, “Halcyra MB-9666 Prime B650E Micro-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/19983766 (accessed 2026-10-26).