Asus ROG STRIX B850-A GAMING WIFI ATX Motherboard
- Stock: In Stock
- Brand: Asus
- Model: ROG STRIX B850-A GAMING WIFI
Specification
| Motherboard Basic Info | |
| Supported CPU | AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors |
| Chipset | AMD B850 |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
| Expansion Slots | |
| M.2 Socket | 4 x M.2 |
| Expansion Slots | |
| PCI | AMD Ryzen™ 9000 & 7000 Series Desktop Processors 1 x PCIe 5.0 x16 slot with Q-Release Slim AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 5.0 x16 slot with Q-Rlease Slim (supports PCIe 4.0 x8 or x4 mode)* AMD B850 Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode)** * Specifications vary by CPU types. ** PCIEX16(G4) slot (supports x4 mode) from AMD B850 Chipset shares bandwidth with M.2_3 |
| Memory Specifications | |
| Type | DDR5 |
| Motherboard Memory Info | |
| Supported Memory | max. 256GB, DDR5 Supports up to 8000+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors ECC and Non-ECC, Un-buffered DIMM Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO™) ASUS Enhanced Memory Profile (AEMP) |
| Maximum Memory | 256GB |
| Motherboard Graphics Info | |
| Graphics | 1 x DisplayPort* 1 x HDMI™ port** - Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. * Supports max. 8K@30Hz as specified in DisplayPort 1.4 ** Supports 4K@60Hz as specified in HDMI 2.1 *** VGA resolution support depends on processors' or graphic cards' resolution. |
| Connector & Ports (MB) | |
| USB (s) | Rear USB (Total 10 ports) 1 x USB 20Gbps port (1 x USB Type-C®) 3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C®) 4 x USB 5Gbps ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB 10Gbps connector (supports USB Type-C®) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports * USB Type-C® power delivery output: max. 5V/3A |
| Internal I/O Ports | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 4 x 4-pin Chassis Fan headers Power Related 1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connectors Storage Related 3 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 10Gbps connector (supports USB Type-C® ) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x Chassis Intrusion header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x 10-1 pin Front System Panel header 1 x Thunderbolt™ (USB4®) header Back Panel I/O Ports: 1 x USB 20Gbps port (1 x USB Type-C®) 3 x USB 10Gbps ports (3 x Type-A) 4 x USB 5Gbps ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 2.5Gb Ethernet port 5 x Audio jacks 1 x BIOS FlashBack button |
| Supported Storage | Total supports 4 x M.2 slots and 2 x SATA 6Gb/s ports AMD Ryzen™ 7000 & 9000 Series Desktop Processors M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 5.0x4 mode) M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 4.0x4 mode) M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4/x2 mode)* AMD B850 Chipset M.2_3 (Key M), type 2280 (supports PCIe 4.0 x4)** M.2_4 (Key M), type 2280 (supports PCIe 4.0 x4) 2 x SATA 6Gb/s ports * Specifications vary by CPU types. ** M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will be disabled. |
| Others | |
| Special Features | Extreme Engine Digi+ - 5K Black metallic capacitors ASUS Q-Design - M.2 Q-Latch - M.2 Q-Release - M.2 Q-Slide - PCIe Slot Q-Release Slim (with PCIe SafeSlot) - Q-Antenna - Q-Dashboard - Q-DIMM - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - Q-Slot ASUS Thermal Solution - M.2 heatsink backplate - M.2 heatsink ASUS EZ DIY - BIOS FlashBack™ button - BIOS FlashBack™ LED - Clear CMOS button - ProCool - Pre-mounted I/O shield - SafeSlot - SafeDIMM Aura Sync - Addressable Gen 2 headers |
| Warranty Information | |
| Manufacturing Warranty | 3 Years Warranty |
Description
The Asus ROG STRIX B850-A GAMING WIFI ATX Motherboard is a high-performance, feature-rich motherboard designed for gamers and PC enthusiasts who demand speed, stability, and style. Powered by AMD's AM5 socket and B850 chipset, this motherboard supports the latest Ryzen 7000 and Ryzen 9000 series processors, delivering blazing-fast performance and future-ready compatibility for next-generation gaming and productivity.
This ATX motherboard is engineered with DDR5 memory support, allowing for ultra-fast data transfer rates, increased bandwidth, and improved energy efficiency compared to DDR4. With support for memory speeds up to 8000+ MHz (OC), it ensures excellent multitasking and system responsiveness.
The Asus ROG STRIX B850-A GAMING WIFI features advanced PCIe 5.0 support, offering double the bandwidth of PCIe 4.0 for your graphics card and high-speed storage devices. The motherboard includes multiple M.2 slots—one of them PCIe 5.0-ready—for lightning-fast NVMe SSDs. A reinforced PCIe SafeSlot ensures secure GPU mounting and long-term durability, especially for heavier cards.
Connectivity is a strong suit for the B850-A. It includes WiFi 6E and 2.5Gb Ethernet, providing low-latency online gaming and stable high-speed internet. Whether you're streaming, downloading large files, or gaming competitively, this motherboard delivers reliable and seamless network performance.
The rear I/O is packed with connectivity options: multiple USB 3.2 Gen 2x2 ports, HDMI 2.1 and DisplayPort 1.4 for integrated graphics, and an upgraded audio solution powered by SupremeFX and DTS Sound Unbound, delivering immersive and precise audio for a competitive edge.
Aesthetically, the ROG STRIX B850-A features a clean white-silver finish with RGB lighting accents that are fully customizable via Aura Sync. The board also includes Q-LED diagnostic lights, M.2 Q-Latch, and pre-mounted I/O shield for easy, tool-less installation.
Designed with durability in mind, the motherboard uses high-quality components and has a robust power delivery system with 14+2 teamed power stages. This ensures stable power delivery even under heavy loads, making it perfect for overclocking and demanding applications.
Whether you’re building a premium white-themed rig or need future-proof features like DDR5, PCIe 5.0, and WiFi 6E, the Asus ROG STRIX B850-A GAMING WIFI is one of the best ATX gaming motherboards in its class.
Key Features:
- Supports AMD AM5 Ryzen 7000/9000 CPUs
- DDR5 Memory up to 8000+ MHz (OC)
- PCIe 5.0 x16 & Gen5 M.2 support
- WiFi 6E & 2.5Gb LAN
- SupremeFX Audio & Aura Sync RGB
- Reinforced PCIe Slot & Premium VRM
Perfect for gamers, streamers, and content creators looking for top-tier performance, connectivity, and aesthetics in one powerful package.
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