ASUS PRIME B850-PLUS WiFi ATX Motherboard – AM5 Socket, DDR5 up to 8000+ MT/s (OC), PCIe 5.0 M.2, WiFi 6E, 2.5Gb LAN

General Information

• Model: PRIME B850-PLUS WIFI
• Form Factor: ATX (12 inch x 9.6 inch / 30.5 cm x 24.4 cm)
• Chipset: AMD B850
• CPU Support: AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors
  • Refer to ASUS support website for the latest CPU support list

Memory

• Slots: 4 x DIMM slots
• Maximum Capacity: 256GB
• Type: DDR5 ECC and Non-ECC Un-buffered DIMM
• Speed: Supports up to 8000+ MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors
• Architecture: Dual channel memory architecture
• Features:
  • Supports AMD Extended Profiles for Overclocking (EXPO™)
  • ASUS Enhanced Memory Profile (AEMP)
  • Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration

Graphics

• Outputs:
  • 1 x DisplayPort
    • Supports max. 8K@30Hz as specified in DisplayPort 1.4
  • 1 x HDMI™ port
    • Supports 4K@60Hz as specified in HDMI 2.1
• Graphics specifications may vary between CPU types

Expansion Slots

• PCIe 5.0 x16:
  • AMD Ryzen™ 9000 & 7000 Series: 1 x PCIe 5.0 x16 slot (supports x16 mode)
  • AMD Ryzen™ 8000 Series: 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
  • AMD B850 Chipset: 1 x PCIe 4.0 x16 slot (supports x4 mode)
• PCIe 3.0 x16: 2 x PCIe 3.0 x16 slots (support x1 mode)
• Specifications vary by CPU types
• Please check the PCIe bifurcation table on the support site
• Note: The PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. The SATA6G_1/2 will be disabled when the PCIEX16(G3)_1 or PCIEX16(G3)_2 runs.

Storage

• Total Supports: 3 x M.2 slots and 4 x SATA 6Gb/s ports
• M.2 Slots:
  • M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode for Ryzen™ 9000 & 7000 Series)
  • M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
  • M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x2 mode) Note: Shares bandwidth with SATA6G_1/2
• SATA: 4 x SATA 6Gb/s ports
• RAID Support:
  • Ryzen™ 9000 Series: RAID 0/1/5/10
  • Ryzen™ 8000 Series: RAID 0/1
  • Ryzen™ 7000 Series: RAID 0/1/10
  • Specifications vary by CPU types

Ethernet

• 1 x Realtek 2.5Gb Ethernet
• ASUS LANGuard

Wireless & Bluetooth

• Wi-Fi 6E: 2x2 Wi-Fi 6E (802.11ax)
  • Supports 2.4/5/6GHz frequency band
  • WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later.
• Bluetooth®: v5.3
  • The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications

USB

• Rear USB (Total 8 ports):
  • 4 x USB 10Gbps ports (3 x Type-A + 1 x USB Type-C®)
  • 2 x USB 5Gbps ports (2 x Type-A)
  • 2 x USB 2.0 ports (2 x Type-A)
• Front USB (Total 9 ports):
  • 1 x USB 5Gbps connector (supports USB Type-C®)
  • 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
  • 3 x USB 2.0 headers support 6 additional USB 2.0 ports
  • USB Type-C® power delivery output: max. 5V/3A

Audio

• Realtek 7.1 Surround Sound High Definition Audio CODEC
  • Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
  • Supports up to 24-Bit/192 kHz playback
• Audio Features:
  • Audio Shielding
  • Premium audio capacitors
  • Dedicated audio PCB layers
  • A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output

Back Panel I/O Ports

• 1 x USB 10Gbps port (1 x USB Type-C®)
• 3 x USB 10Gbps ports (3 x Type-A)
• 2 x USB 5Gbps ports (2 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
• 3 x Audio jacks
• 1 x BIOS FlashBack™ button
• 1 x PS/2 keyboard/mouse combo port

Internal I/O Connectors

• 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
  • 1 x 8-pin +12V CPU Power connector
  • 1 x 4-pin +12V CPU Power connector
• Storage Related:
  • 3 x M.2 slots (Key M)
  • 4 x SATA 6Gb/s ports
• USB:
  • 1 x USB 5Gbps connector (supports USB Type-C®)
  • 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
  • 3 x USB 2.0 headers support 6 additional USB 2.0 ports
• Miscellaneous:
  • 3 x Addressable RGB 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 S/PDIF Out header
  • 1 x SPI TPM header (14-1 pin)
  • 1 x 10-1 pin System Panel header
  • 1 x Thunderbolt™ (USB4®) header

Special Features

• ASUS 5X PROTECTION III:
  • DIGI+ VRM
  • LANGuard
  • Overvoltage protection
  • SafeSlot
  • Stainless-steel back I/O
• ASUS Q-Design:
  • Q-Antenna
  • Q-Dashboard
  • Q-DIMM
  • Q-LED Core
  • Q-Slot
• ASUS Thermal Solution:
  • Flexible M.2 heatsink
  • VRM heatsink design
• ASUS EZ DIY:
  • BIOS FlashBack™ button
  • BIOS FlashBack™ LED
  • Pre-mounted I/O shield
  • SafeSlot
• Aura Sync:
  • Addressable RGB Gen 2 headers

Software Features

• ASUS Exclusive Software:
  • Armoury Crate
    • Aura Creator
    • Aura Sync
    • Fan Xpert 2+
    • Power Saving
  • ASUS AI Advisor
  • ASUS Driver Hub
  • ASUS GlideX
  • TurboV Core
  • ASUS CPU-Z
  • Adobe Creative Cloud (Free Trial)
  • Norton 360 Deluxe (60 Days Free Trial)
  • WinRAR (40 Days Free Trial)
• UEFI BIOS:
  • ASUS EZ DIY
    • ASUS CrashFree BIOS 3
    • ASUS EZ Flash 3
    • ASUS UEFI BIOS EZ Mode
    • ASUS MyHotkey

BIOS

• 256 Mb Flash ROM, UEFI AMI BIOS

Manageability

• WOL by PME, PXE

Accessories

• Cables: 2 x SATA 6Gb/s cables
• Miscellaneous:
  • 1 x ASUS WiFi Q-Antenna
  • 1 x M.2 rubber packages
  • 3 x Screw packages for M.2 SSD
• Documentation: 1 x Quick start guide

Operating System

• Windows® 11, Windows® 10 64-bit