Components > Motherboards

Asus ROG STRIX B850-A GAMING WIFI, AMD B850, AM5, ATX, 4 DDR5, HDMI, DP, Wi-Fi 7, 2.5G LAN, RGB, 4x M.2

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Special Offer
Stock Code
AUMBB850ASTWI
Manufacturer
Manufacturer Code
90MB1J50-M0EAY0
EAN Number
4711387772676
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Motherboard Type
Desktop
Form Factor
ATX
Socket
AMD AM5
Chipset
AMD B850
CPU Support
Click here for CPU support
RAM Technology
DDR5 (Dual Channel)
ECC and Non-ECC Un-buffered DIMM*
Supports AMD EXPO
ASUS AEMP

*Non-ECC, un-buffered DDR5 memory supports On-Die ECC function
RAM Slots
4 x DIMM
RAM Speeds
Up to 8000+MT/s (OC)
Maximum Memory
192GB
Graphics
Integrated Graphics
Graphics specifications may vary between CPU types
Graphics Ports
1 x HDMI
1 x DisplayPort
PCI/PCI Express
Ryzen 9000 & 7000 Series CPUs:
1 x PCIe 5.0 x16

Ryzen 8000 Series CPUs:
1 x PCIe 5.0 x16 (supports PCIe 4.0 x8/x4 mode)

AMD B850 Chipset:
1 x PCIe 4.0 x16 (supports x4 mode)
Storage
2 x SATA III
4 x M.2

Ryzen 9000 & 7000 Series CPUs:
M.2_1 (2242/2260/2280) - PCIe 5.0 x4
M.2_2 (2280/22110) - PCIe 4.0 x4 mode

Ryzen 8000 Series CPUs:
M.2_1 (2242/2260/2280) - PCIe 4.0 x4
M.2_2 (2280/22110) - PCIe 4.0 x4/x2

AMD B850 Chipset:
M.2_3 (2280) - PCIe 4.0 x4
M.2_4 (2280) - PCIe 4.0 x4
RAID
AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. RAID 5 Function is only supported by Ryzen 9000 CPUs
Wireless
Wi-Fi 7
2x2 Wi-Fi 7 (802.11be)
Supports 2.4/5/6GHz frequency band
Supports Wi-Fi 7 160MHz bandwidth, up to 2.9Gbps transfer rate
Bluetooth v5.4
LAN
2.5GB LAN
Audio
ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080
USB Ports Supported
Rear:
1 x USB 20Gbps Type-C
3 x USB 10Gbps (2 Type-A, 1 x Type-C)
4 x USB 5Gbps Type-A
2 x USB 2.0

Front:
1 x USB 10Gbps Type-C
2 x USB 5Gbps
4 x USB 2.0
Back Panel I/O Ports
1 x USB 20Gbps Type-C
3 x USB 10Gbps (2 Type-A, 1 x Type-C)
4 x USB 5Gbps Type-A
2 x USB 2.0
1 x DisplayPort
1 x HDMI
1 x Wi-Fi module
1 x Intel 2.5Gb Ethernet
2 x Audio jacks
1 x Optical S/PDIF out
1 x BIOS FlashBack button
1 x Clear CMOS button
Internal I/O Connectors
1 x 4-pin CPU Fan
1 x 4-pin CPU OPT Fan
1 x 4-pin AIO Pump
4 x 4-pin Chassis Fan
1 x 24-pin Main
2 x 8-pin +12V CPU
4 x M.2 (Key M)
2 x SATA 6Gb/s
1 x USB 10Gbps Type-C
1 x USB 5Gbps
2 x USB 2.0
3 x Addressable Gen2
 
1 x CPU Over voltage jumper
1 x Front Panel Audio
1 x Power button
1 x 10-1 pin Front System Panel
1 x Thermal Sensor
1 x Thunderbolt (USB4)
Accessories
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
Additional Features
See Overview
Package Type
Retail
Package Weight
2.0400 kg
Warranty
3 Years
Full Box Quantity
4
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