Halcyra MB-6677 XT B650E E-ATX Wi-Fi 7 Motherboard
Motherboards · Halcyra · SKU MB6677-XT · Released 2024 · Updated 2026-10-23
Key facts
| Benchmark index | 5,900 (Motherboards scale) |
|---|---|
| Category rank | #44,929 |
| Street price | $679 |
| Power | 54 W |
| Performance per dollar | 8.69 |
| Released | 2024 |
Specifications
| Brand | Halcyra |
|---|---|
| Model | Halcyra MB-6677 XT |
| Socket | AM5 |
| Chipset | B650E |
| Form factor | E-ATX |
| Memory | 4× DDR5 DIMM, up to 256 GB |
| Max memory speed | DDR5-6400+ (OC) |
| Primary x16 slot | PCIe 5.0 x16 |
| M.2 slots | 5 total, 1× PCIe 5.0 x4 |
| Rear USB-C | 1× USB 3.2 Gen 2x2 20Gbps (Type-C) |
| Ethernet | 10GbE + 2.5GbE |
| Wireless | Wi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4 |
| Overclocking | CPU + memory |
| VRM | 24+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
Similar Motherboards
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Zephyra MB-6565 Prime H610 Micro-ATX Motherboard | 1,672 | $69 | Compare |
| Zephyra MB-1797 Pro H810 ATX Motherboard | 1,902 | $69 | Compare |
| Kyndral MB-2056 Ti X570 ATX Motherboard | 2,557 | $119 | Compare |
| Novexa MB-8865 Pro B650 ATX Wi-Fi 6E Motherboard | 2,967 | $149 | Compare |
| Novexa MB-6308 SE B850 ATX Wi-Fi 7 Motherboard | 3,921 | $309 | Compare |
| Zephyra MB-8912 Ultra X570 E-ATX Wi-Fi 6 Motherboard | 4,399 | $369 | Compare |
Cite this page: Hardware Spec Index, “Halcyra MB-6677 XT B650E E-ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/5260205 (accessed 2026-10-23).