JGINYUE B850M Snow Dream WIFI motherboard
Socket AM5 supports AMD Ryzen ™ 9000/8000/7000 series desktop processors
4x DDR5 UDIMM, Maximum memory capacity of 192GB, supporting DDR5 4800-7000 (OC) MT/s
2xSATA3.0 3xM. 2 slots/1 * PCIe 5.0x4/2 * PCIe 4.0x4
1xPCIe 5.0X16 slot 1xPCIe 4.0X16 slot X4 speed
4xARGB 5V3 pin (MCU independent control chip)
1xType-E slot, expandable with 1 10Gbps Type-C interface, 1xType-C slot
1x2.5Gbps Ethernet interface
1xWiFi interface (onboard WiFi6E module with antenna)
  • Details Introduction
  • specification parameter
  • download
  • Motherboard model
  • B850M Snow Dream WIFI
  • CPU socket
  • AM5 supports AMD Ryzen ™ 9000/8000/7000 series desktop processors
  • chipset
  • AMD B850
  • Memory slot
  • Supports 4x DDR5 UDIMM, maximum memory capacity of 192GB, memory support DDR5 4800-7000 (OC) MT/s, Ryzen ™ Maximum overclocking frequency of 8000 series processors: maximum speed up to 7000+MT/s * [1DPC 1R dual channel with two single-sided granular memory inserts]
  • Storage interface
  • 2xSATA3.0 3xM. 2 slots/1 * PCIe 5.0x4/2 * PCIe 4.0x4
  • PCIe slot
  • 1xPCIe 5.0X16 slot 1xPCIe 4.0X16 slot X4 speed
  • USB interface
  • 4xUSB 2.0 3xUSB 3.2 1xUSB 2.0 pin bank expandable 2 USB 2.0 1xUSB 3.2 pin bank expandable 2 USB 3.2
  • ARGB needle arrangement
  • 4xARGB 5V3 pin (MCU independent control chip)
  • display interface
  • 1xHDMI 1xDP
  • Type-C interface
  • 1xType-E slot, expandable with 1 10Gbps Type-C interface, 1xType-C slot
  • Fan pin
  • 4x4 needle arrangement
  • Number of power supply phases
  • 19 phase power supply
  • WiFi interface
  • 1xWiFi interface (onboard WiFi6E module with antenna)
  • Network
  • RTL8125BG 2.5G Ethernet chip
  • Audio chip
  • Realtek ALC897
  • Specification
  • 24.5x24.5cm M-ATX
  • Other interfaces
  • 1xCMOS button diagnostic light
Alsa
Software Download
BIOS
instruction book
  • FileVersion System Updated Date brief introduction download
    Audio_W10 sound card win10,win11 64 bits 2024-05-09 audio driver
    2.5GNIC driver 2024-05-09 Network Driver
  • FileVersion System Updated Date brief introduction download
    OpenRGB-MCU-2026 win10&win11 2026-01-20 RGB desktop control software
  • FileVersion System Updated Date brief introduction download
    B850M Snow Dream WIFI (AM5MK011) 2026-09-30 1. Updated to AGESA ComboAM5 PI version 1.3.0.1d. 2. Updated the Secure Boot key certificate to the 2023 version. 3. Fixed the motherboard debug light staying on after waking from sleep.
    B850M Snow Dream WIFI (AM5MK010) 2026-03-14 Update Agesa PL1.3.0.0
    B850M Snow Dream WIFI (AM5MK007) 2025-10-16 Optimizing peripheral device compatibility
    B850M Snow Dream WIFI (AM5MK004) 2025-07-18 Optimized memory compatibility issues
    B850M Snow Dream WIFI (AM5MK003) 2025-06-24 Updated to Agesa 1.2.0.3E Greatly improved memory compatibility and optimized for large memory volumes. Improved automatic VDDIO algorithm in EXPO/XMP for improved compatibility. The 8000/9000 series memory high-voltage mode is unlocked, and the current memory VDD/VDDQ voltage limit is increased to 2.07V. Improved memory performance at extreme high-frequency/low-timing
    FileVersion System Updated Date brief introduction download