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ASUS ROG Strix B850-A Gaming WiFi ATX Motherboard for AMD AM5 CPUs
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Available for delivery from Tuesday 23rd June
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ROG STRIX B850-A GAMING WIFI
Elevate your build with the ROG Strix B850-A Gaming WiFi. Featuring a sleek white PCB and support for AMD Ryzen™ 9000 Series processors, this motherboard delivers the power and connectivity needed for advanced AI applications. With DDR5 support, full PCIe 5.0 capabilities, USB 20Gbps port, and WiFi 7, it's the ultimate blend of style and performance.
- Ready for Advanced AI PCs: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
- AMD AM5 Socket: Ready for AMD Ryzen™ 9000, 8000 and 7000 series desktop processors
- Intelligent Control: ASUS AI Advisor, AI Networking II and AEMP to simplify setup and improve performance
- Robust Power Solution: 14+2+2 power solution rated for 80A per stage with an 8+8-pin ProCool power connector, high-quality alloy chokes, and durable capacitors to support multi-core processors
- Optimized Thermal Design: Massive heatsinks bridged to the VRMs with high-conductivity thermal pads and an integrated I/O cover
- Latest M.2 Support: One onboard PCIe® 5.0 M.2 slot and three PCIe 4.0 M.2 slots, all with substantial cooling solutions
- Abundant Connectivity: USB 20Gbps Type-C®, USB 10Gbps Type-C®, USB 10Gbps Type-C® front-panel connector, six additional USB 5Gbps ports, PCIe 5.0 x16 SafeSlots, HDMI™ port and DisplayPort port
- High-Performance Networking: On-board WiFi 7 (802.11be) with Intel 2.5 Gb Ethernet
- DIY Friendly Design: PCIe Slot Q-Release Slim, M.2 Q-Latch, M.2 Q-Release, M.2 Q-Slide, Q-Antenna, Q-Dashboard, Q-LED, BIOS FlashBack™ button, Clear CMOS button and pre-mounted I/O shield
- Immersive Audio: ROG SupremeFX ALC4080 codec with Savitech SV3H712 amplifier, along with Dolby Atmos®
- Unmatched Personalization: ASUS-exclusive Aura Sync RGB lighting, including three addressable Gen 2 headers
- Renowned Software: ASUS DriverHub, TurboV Core, ASUS GlideX, HWiNFO, Norton 360 for Gamers (60-day free trial), bundled 60-day AIDA64 Extreme trial subscription and intuitive UEFI BIOS dashboard
ASUS AI Intelligence
ASUS AI ADVISOR
Using AI technology to understand natural-language questions or scenario descriptions, ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.
* Availability of ASUS AI Advisor may vary by region.
AI Networking II
AI Networking II combines intelligent technologies to continuously optimize network performance, provide trustworthy and seamless connectivity, and unleash the full speed of WiFi 7*.
*Features may vary by model.
EZ PC DIY
PCIE® SLOT Q-Release Slim
With PCIe® Slot Q-Release Slim, simply tilt the card toward the latching mechanism to automatically unlock it from the PCIe slot. This makes upgrades and maintenance easier than ever before. Users will no longer need to fiddle with a tricky latch or even press a button to release their graphics card from the slot.
M.2 Q-RELEASE
The M.2 heatsink features a convenient switch* to quickly remove it, eliminating the need for tiny screws during SSD installation. Its strong locking mechanism also provides a snug contact surface, helping to ensure reliable heat dissipation for your SSD.
*Switch may be a lever or button, depending on motherboard model.
NEW M.2 Q-LATCH
The new Q-Latch design allows for tool-free installation or removal of M.2 SSDs with just one press.
M.2 Q-SLIDE
This new sliding M.2 latch design supports sizes 2242, 2260 and 2280 for easy device installation.
Q-ANTENNA
With Q-Antenna, attaching a WiFi antenna to your PC is now easy and fast. Instead of slowly rotating two fasteners until they finally lock in, they just snap into place. Less hassle, and more consistent performance.?
PCIE 5.0
Fully embracing the new standard, the Strix B850-A offers end-to-end PCIe 5.0 support. The topmost x16 expansion slot is Gen 5-ready, and is protected with a SafeSlot retention bracket to bear the weight of the latest graphics cards. One of the onboard M.2 slots is geared for blistering 16 GB/s read and write speeds thanks to its PCIe 5.0 interface, while all the rest can deliver still-impressive 8 GB/s transfers. Every M.2 slot is covered with substantial heatsinks to dispatch the heat of next-gen drives.
Power Design
-
POWER ARCHITECTURE
The VRM features 14+2+2 power stages, each rated to handle 80 amps -
ALLOY CHOKES AND DURABLE CAPACITORS?
Hi-end chokes and durable capacitors are engineered to resist extreme temperatures, enabling performance that exceeds industry standards. -
EIGHT-LAYER PCB?
A multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom.?
MEMORY
DDR5 Strength
For those who want to fly past stock DDR5 speeds, the Strix B850-A is primed and ready for enthusiast-grade kits, courtesy of vast AMD Extended Profiles for Overclocking (EXPO) support. Seasoned veterans can further tweak performance via the extensive array of settings in the UEFI.
AEMP
ASUS Enhanced Memory Profile (AEMP) is an exclusive firmware feature for PMIC-restricted memory modules. AEMP automatically detects the memory chips on your kit and then presents optimized frequency, timing and voltage profiles that you can effortlessly apply to unleash performance.
COOLING?
-
VRM HEATSINK ARRAY
Two VRM heatsinks, one expanding underneath the I/O shroud, provide ample surface area and mass to handle the power needs of high-performance AMD Ryzen™ 9000 Series processors -
High-conductivity Thermal Pads
High-quality thermal pads are utilized between power stages and heatsinks, helping to improve heat transfer and reduce VRM operating temperatures. -
M.2 BACKPLATE
An integrated backplate helps ensure that high-performance drives can deliver peak performance, even when airflow is restricted. -
M.2 HEATSINKS
Heatsinks cover every slot to help keep onboard NVME SSDs at optimal temperatures for consistent performance and reliability.
NETWORKING
-
WIFI 7
The revolutionary WiFi 7 is faster than standard WiFi 6*, thanks to tech like 160 MHz channels** on the 6GHz band and 4K QAM*. Multi-Link Operation (MLO) provides a more stable WiFi connection and lower latency, unlocking the realms of the unknown in gaming, streaming and industrial IoT.
Learn more about https://www.asus.com/content/wifi7/* WiFi 7 features require onboard WiFi chipset, WiFi AP, and WiFi 7-supported operating systems to support the corresponding features.
** Specifications vary by model. -
Intel 2.5Gb Ethernet
Onboard Intel® 2.5Gb Ethernet gives your wired connection a boost, with speeds that are 2.5 times faster than standard Ethernet connections for speedy file transfers, low-latency gaming, and high-res video streaming.
ASUS WiFi Q-Antenna
Dual transceivers support the 2.4, 5 and 6 GHz bands to enable faster throughput, with directional sensitivity to improve signal quality and cover greater distances.?
Disclaimer: The availability of WiFi 7 varies according to regional regulations.
Wireless Signal Reception Improvement
Versus previous-generation antenna
-
Up to +6%
6 GHz
-
Up to +18%
5/2.4 GHz
USB 20Gbps Port
A USB 20Gbps Type-C® port offers speedy data transfers up to 20Gbps.
CPU
- Installed Processors (Max): 0 (1)
- Supported Processor Manufacturer: AMD
- Supported Processors: AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
- 64-bit Support: Yes
- Socket: AM5
Rear Panel I/O Ports
- USB Ports: 1 x USB-C 3.2
- 1 x USB-C 3.1
- 2 x USB 3.1
- 4 x USB 3.0
- 2 x USB 2.0
- DisplayPorts: 1 x DisplayPort 1.4
- HDMI Port: 1 x HDMI 2.1
Internal I/O Connectors
- SATA Connectors: 4 x SATA
- USB Connectors: 1 x USB-C 3.1 header (supports 1 port)
1 x USB 3.0 header (supports 2 ports) - 2 x USB 2.0 headers (supports 4 ports)
Memory
- Memory Bus Speed: Up to 8000 MT/s
- Memory Type: DDR5
Motherboard
- Northbridge: AMD B850
- RAID Supported: Yes
- RAID Format: RAID 0, 1, 10
- SATA Supported: Yes
Rear Panel I/O Ports
- RJ-45 Ports: 1 x RJ-45
- Audio Line In Ports: 1 x 3.5mm Jack
- Audio Line Out Ports: 1 x 3.5mm Jack
- S/PDIF Port: 1 x S/PDIF Optical Out
- Antenna Connector(s): 2 x SMA Antenna
Internal I/O Connectors
- Front Panel Connectors: 1 x Front Panel
- 1 x Front Audio
- Cooling Fan Support: 1 x CPU fan header
- 1 x CPU_OPT fan header
- 1 x AIO pump header
- 4 x Chassis fan headers
- Thunderbolt Port(s): 1 x Thunderbolt header
- Power Connector Port: 1 x 24-pin ATX
- 2 x 8-pin EPS
- Other Connectors: 1 x M.2 slot, Type 2242/2260/2280 (PCIe Gen5)
- 1 x M.2 slot, Type 2280/22110 (PCIe Gen4)
- 2 x M.2 slots, Key M, Type 2280 (PCIe Gen4)
- 3 x 3-pin ARGB headers
- 1 x Thermal Sensor header
Expansion
- Number of PCI Express Slots: x PCI Express 5.0 x16 slot
- 1 x PCI Express 4.0 x16 slot (@ x4)
Memory
- Maximum RAM: 192 GB
- Memory Slot: 4 x DIMM
Graphics Device
- Integrated Graphics Supported: Yes
Sound
- Integrated Sound: Realtek ALC4080
Warranty
- Warranty: 3 Years
Network
- Integrated Network: Intel
- Network Speeds Supported: Up to 2.5 Gbps
- Wireless LAN: Yes (Wi-Fi 7)
- Wireless Network Speed: Up to 2.9 Gbps
- Bluetooth: Yes
- Bluetooth Version: 5.4
System Requirements
- Operating Systems Supported: Microsoft Windows 11
System
- Jumpers: 1 x Clear CMOS
- Software Included: Yes
- Drivers: Yes
Physical
- Form Factor: ATX Motherboard
- In The Box: Motherboard
- 2 x SATA 6Gb/s cables
- 1 x ASUS WiFi Q-Antenna
- 1 x Cable ties package
- 1 x M.2 Q-Latch package
- 1 x M.2 Q-Slide package
- 1 x ROG key chain
- 1 x ROG Strix stickers
- 4 x M.2 rubbers
- 1 x USB drive with utilities and drivers
- 1 x Quick start guide
- Width: 244 mm
- Length: 305 mm
- Weight: 1.59 kg
Identifiers
- Stock Code: MBD3785
- Mfg Code: 90MB1J50-M0EAY0
Warranty
- Warranty: 3 Years
