ASUS PRIME B850-PLUS WIFI AMD motherboard
- Ryzen 7000 Series /…
- AMD B850
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ASUS Open box
ATX board for AM5 Ryzen 7000, 8000 and 9000 CPUs with 18+2+2 power stages, DDR5 up to 8400 MT/s, WiFi 7, three PCIe 5.0 M.2 slots, dual USB4 and AI overclocking tools
The ROG STRIX X870E-E GAMING WIFI is an ATX motherboard built for AMD Ryzen 7000, 8000 and 9000 series processors. It targets enthusiasts who want a full feature set for high-end gaming or workstation builds. The board delivers robust power delivery and extensive connectivity for demanding workloads.
ASUS AI Overclocking, AI Cooling II and AI Networking automate tuning, fan curves and traffic prioritisation. AEMP profiles optimise compatible DDR5 kits without manual intervention. Dual USB4 Type-C ports, a USB 20Gbps front-panel header and a USB 10Gbps port with 30W PD 3.0 charging expand peripheral options.
The voltage regulator module uses eighteen plus two plus two power stages rated for 110A each, fed by dual ProCool II connectors. This design sustains high current for multi-core Ryzen CPUs during extended loads. Buyers planning heavy all-core overclocks should verify their cooler and case airflow match this power density.
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| Product | |
|---|---|
| Brand name | ASUS |
| Model name | ROG STRIX X870E-E GAMING WIFI |
| Part number | 90MB1IB0-M0AAY0 |
| Processor | |
| Processor | Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series |
| CPU socket | AM5 |
| Chipset | AMD X870E |
| Memory | |
| Memory slot count | 4 × 288pin (DDR5) |
| Supported memory | DDR5 4400 |
| Max supported RAM | 256 GB |
| Memory channels | Dual Channel |
| Memory profiles | AMD EXPO |
| ECC support | Yes |
| Buffering | Un-buffered |
| Storage | |
| SATA ports | 4 x SATA 6Gb/s |
| SATA and RAID support | *AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. RAID 5 Funciton is only supportted by AMD Ryzen 9000 series CPU. |
| Audio & video | |
| Audio chip | ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080* - Impedance sense for front and rear headphone outputs - Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking - High quality 120 dB SNR stereo playback output and 110 dB SNR recording input - Supports up to 32-Bit/384 kHz playback Audio Features - Audio Shielding - Savitech SV3H712 AMP - Gold-plated audio jacks - Rear optical S/PDIF out port - Premium audio capacitors - Audio cover * The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make sure |
| Sound channels | 7.1 Channels |
| Connectivity | |
| Maximum network speed | 5 Gbit/s |
| Wi-Fi standard | Wi-Fi 802.11 be |
| Bluetooth support | 5.4 |
| Ports & slots | |
| PCIe 5.0 x16 slots | AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors 1 x PCIe 5.0 x16 slots (supports x16 mode) |
| PCIe 4.0 x16 slots | AMD X870E Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode) |
| Onboard USB headers | 1 x USB 20 Gbit/s connector (supports USB Type-C) 2 x USB 5 Gbit/s headers support additional 4 USB 5 Gbit/s ports 3 x USB 2.0 headers support additional 6 USB 2.0 ports |
| Power | |
| Power connectors | 1 × 24-pin Main Power connector 2 × 8-pin +12 V CPU Power connectors |
| Size & build | |
| Form factor | ATX |
| Width and length | 12.0 in × 9.6 in |
| Shipping weight | 2.86 kg |
| Package size | 356 × 279 × 89 mm |
| Compatibility | |
| Windows 11 support | Supported |
| More details | |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
The 18+2+2 power solution uses stages rated for 110 A each and dual ProCool II connectors built for sustained high current; no user-replaceable parts are specified for this VRM area.
The primary M.2_1 slot operates at PCIe 5.0 x4 and includes a substantial heatsink; under sustained load the drive's own thermal throttle typically activates before the motherboard's cooling saturates.
AI Cooling II manages fan curves automatically; with the robust 18+2+2 VRM heatsinks and chipset heatsink, acoustic output stays low during typical all-day workloads.
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