About Asus Prime B850-Plus WiFi Motherboard
Featuring the AMD B850 chipset and AM5 socket, the Asus Prime Series Desktop Motherboard supports Ryzen 9000, 8000 and 7000 Series processors, making it suitable for modern gaming, productivity and content creation systems.
Four DDR5 DIMM slots support up to 256GB of memory, with AMD EXPO and ASUS AEMP technologies for enhanced memory performance.
Storage flexibility comes from three M.2 slots, including a PCIe 5.0 x4 slot capable of up to 128Gbps transfer speeds, alongside four SATA 6Gb/s ports.
For connectivity, the Asus ROG Crosshair Hero Motherboard provides Wi-Fi 6E, Realtek 2.5Gb Ethernet and USB 10Gbps Type-C.
Its 8+2+1 phase digital power design, six-layer PCB and comprehensive heatsinks help provide stable operation.
ASUS Q-Design features, BIOS FlashBack, Aura Sync and AI solutions further simplify PC building, customization and system management for DIY enthusiasts.
| Specification | Details |
|---|---|
| CPU Socket | AMD Socket AM5 |
| CPU Support | AMD Ryzen 9000, Ryzen 8000 and Ryzen 7000 Series Desktop Processors |
| Maximum CPU Power | Up to 170W CPU support |
| Chipset | AMD B850 |
| Motherboard Form Factor | ATX |
| Dimensions | 30.5 × 24.4 cm |
| Memory Type | DDR5 |
| Memory Slots | 4 × DIMM |
| Maximum Memory | Up to 256GB |
| Memory Architecture | Dual Channel |
| Memory Speed | Up to 8000+ MT/s OC, depending on CPU and memory configuration |
| Memory Features | AMD EXPO, ASUS AEMP |
| ECC Support | ECC and Non-ECC Un-buffered DIMM |
| DisplayPort | 1 × DisplayPort 1.4, up to 8K@30Hz |
| HDMI | 1 × HDMI 2.1, up to 4K@60Hz |
| Primary PCIe Slot | 1 × PCIe 5.0 x16, supports x16 mode |
| Secondary PCIe Slot | 1 × PCIe 4.0 x16, supports x4 mode |
| Additional PCIe Slots | 2 × PCIe 3.0 x16, supports x1 mode |
| M.2 Slots | 3 × M.2 Key M |
| M.2_1 | 2280, PCIe 5.0 x4 mode |
| M.2_2 | 2280, PCIe 4.0 x4 mode |
| M.2_3 | 2242/2260/2280/22110, PCIe 4.0 x2 mode |
| SATA | 4 × SATA 6Gb/s |
| RAID | AMD RAIDXpert2; RAID 0/1/5/10 with Ryzen 9000, RAID 0/1 with Ryzen 8000, RAID 0/1/10 with Ryzen 7000 |
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