ASUS B850M AYW GAMING WIFI AMD AM5 Micro-ATX Gaming Motherboard
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Technical Specifications
| Attribute | Detailed Specification |
| Product Full Name | ASUS B850M AYW GAMING WIFI Gaming Motherboard |
| Model & Part Number | B850M AYW GAMING WIFI / 90MB1KY0-M0EAY0 |
| Brand / Manufacturer | ASUS |
| Body Color | Matte Black PCB with Dark Charcoal Metallic Heatsinks |
| Chipset | AMD B850 |
| Chipset Brand | AMD |
| Form Factor | Micro-ATX Form Factor (24.4 cm × 24.4 cm / 9.6 in × 9.6 in) |
| Generation | AMD Ryzen 9000 / 8000 / 7000 Series Desktop Processors |
| Socket Support | AMD Socket AM5 |
| Memory Type | DDR5 Non-ECC & ECC Un-buffered DIMM (Dual-Channel Architecture, AMD EXPO Support, ASUS AEMP) |
| Memory Slot | 4 × DDR5 DIMM Slots |
| Max Memory | Up to 256 GB (Up to DDR5 8000+ MT/s OC) |
| M.2/SSD Expansion Slot | Total 2 × Onboard M.2 Slots + 4 × SATA 6Gb/s Ports: • M.2_1: PCIe 5.0 x4 (Key M, 2242/2260/2280 via CPU) • M.2_2: PCIe 4.0 x4 (Key M, 2242/2260/2280 via AMD B850 Chipset) |
| RGB Support | Yes (Aura Sync: 2 × Addressable Gen 2 Headers + 1 × 4-pin Aura RGB Header) |
| WiFi | Wi-Fi 6 (802.11ax, 2x2, 2.4/5GHz Dual-Band) + Bluetooth 5.3 |
| VGA Port | 1 × VGA Port |
| DVI Port | No |
| HDMI Port | 1 × HDMI 2.1 Port (Supports up to 4K @ 60Hz) |
| DisplayPort (DP) | 1 × DisplayPort 1.4 (Supports up to 4K @ 60Hz) |
| Thunderbolt | No |
| PCIe Expansion Slots | 1 × PCIe 5.0 x16 SafeSlot (supports x16 mode with Ryzen 9000/7000) 2 × PCIe 4.0 x1 Slots (via Chipset) |
| SATA & Storage Ports | 4 × SATA 6Gb/s Ports |
| RAID Support | AMD RAIDXpert2 Technology: RAID 0/1/10 (NVMe & SATA) |
| Wired Networking (LAN) | 1 × Realtek 2.5Gb Ethernet (2.5G RJ45) with ASUS LANGuard |
| Audio Solution | Realtek 7.1 Surround Sound High Definition Audio CODEC (Audio Shielding, Dedicated Audio PCB Layers, Premium Audio Capacitors) |
| Diagnostic & Display | Q-LED Core Indicators (CPU, DRAM, VGA, Boot Device status) |
| Back Panel USB Ports | 2 × USB 10Gbps (Type-A) 2 × USB 5Gbps (Type-A) 4 × USB 2.0 (Type-A) 1 × BIOS FlashBack Button |
| Front Panel USB Headers | 1 × USB 10Gbps Type-C Connector 1 × USB 5Gbps Header (Supports 2 additional ports) 2 × USB 2.0 Headers (Supports 4 additional ports) |
| Cooling & VRM Architecture | Multi-Stage Digital Power Delivery with ASUS DIGI+ VRM, Large Extruded Aluminum VRM Heatsinks, Thermal Pads, and Dedicated Primary M.2 Heatsink |
| ASUS Special & DIY Features | ASUS 5X Protection III (DIGI+ VRM, LANGuard, Overvoltage Protection, SafeSlot Core+, Stainless Steel Back I/O), M.2 Q-Latch, BIOS FlashBack, Directional Antenna |
| Operating System Support | Windows 11 (64-bit), Windows 10 (64-bit) |
| Target Workload Applications | Competitive Esports Gaming, Mainstream 1080p/1440p Gaming, Compact SFF/mATX Office & Home Systems, Daily Productivity |
| Package Contents | 1 × ASUS B850M AYW GAMING WIFI Motherboard 1 × ASUS Wi-Fi Black Directional Antenna 2 × SATA 6Gb/s Cables 1 × M.2 Screw Package / Rubber Pads 1 × User Documentation |
| Warranty | 3 Years Standard Limited Manufacturer Warranty |
Product Description
The ASUS B850M AYW GAMING WIFI is an essential Micro-ATX gaming motherboard engineered to deliver stable power regulation, modern PCIe 5.0 bandwidth, and streamlined assembly for AMD Ryzen 9000, 8000, and 7000 Series desktop processors on the AM5 platform. Designed around a clean, industrial dark chassis theme with charcoal-anodized aluminum heatsinks against a matte black PCB, this motherboard provides mainstream gamers and value-focused builders with a reliable foundation for responsive, compact desktop builds.
Core voltage regulation is managed by a multi-stage digital power delivery architecture controlled by ASUS DIGI+ VRM and supplied via an 8-pin ProCool CPU power connector. Large extruded aluminum VRM heatsinks cover the primary power stages, ensuring efficient heat transfer away from vital components during prolonged competitive gaming sessions or multi-threaded processing loads. Across 4 DDR5 DIMM slots, the motherboard accommodates high-density memory configurations up to 256 GB with speeds reaching 8000+ MT/s (OC) through AMD Extended Profiles for Overclocking (EXPO) and ASUS Enhanced Memory Profile (AEMP).
Graphics and system storage leverage modern PCIe architecture. The primary PCIe 5.0 x16 SafeSlot is structurally reinforced with a stainless steel brace to support modern graphics cards. Storage expansion is handled by two onboard M.2 slots—including a primary PCIe 5.0 x4 M.2 slot shielded by an aluminum heatsink and a secondary PCIe 4.0 x4 slot—alongside four SATA 6Gb/s ports for bulk storage drives.
System networking is driven by onboard Wi-Fi 6 (802.11ax) paired with an included black directional antenna, alongside a Realtek 2.5-Gigabit Ethernet port fortified by ASUS LANGuard for low-latency wired gameplay. Flexible triple display outputs—including HDMI 2.1, DisplayPort 1.4, and legacy VGA—provide versatile multi-display options, complemented by a front-panel USB 10Gbps Type-C header. Complete with isolated Realtek 7.1 HD surround audio and backed by a 3-year warranty, the ASUS B850M AYW GAMING WIFI offers a dependable, high-value foundation for modern AM5 gaming systems.
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