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Micro ATX motherboard, black PCB with silver heatsinks, AM4 socket, two DDR4 slots, one PCIe x16 slot, rear HDMI and dual DisplayPort

JGINYUE

JGINYUE B550M Pro WiFi ProSeries AMD motherboard

SKU CH-TKEQ-K1265

Micro-ATX AM4 board with Wi-Fi, dual-channel DDR4 to 64 GB, one PCIe 3.0 x16 slot, two M.2 connectors, four SATA 6 Gb/s ports, HDMI and dual DisplayPort, plus rear USB 3.2 and 2.0

  • CPU Socket TypeAM4
  • CPU TypeRyzen 4000 Series
  • ChipsetAMD B550
  • Number of Memory Slots2x288pin (DDR4)
  • Memory StandardDDR4 4000
  • Maximum Memory Supported64GB
  • Supports AMD Ryzen 4000 and 5000 series processors via AM4 socket
  • Dual-channel DDR4 memory up to 64GB at speeds up to 4000MHz
  • Two M.2 NVME slots plus four SATA 6Gb/s ports for fast storage
  • Rear I/O includes four USB 3.2, four USB 2.0, HDMI and two DisplayPort outputs
  • Built-in WiFi, Realtek ALC897 audio and Realtek 8111H LAN on micro-ATX form factor

AM4 platform for Ryzen 4000 and 5000 series

The JGINYUE B550M Pro is a micro ATX motherboard built around the AMD B550 chipset and the AM4 socket. It accepts Ryzen 4000 and 5000 series processors and provides two 288-pin DDR4 slots running dual channel up to 64GB. The board measures 8.66" x 7.09" and uses a 24-pin main power connector plus an 8-pin CPU power connector.

WiFi module and front-panel USB expansion

An onboard WiFi interface compatible with PCIe protocol adds wireless connectivity without occupying the single PCI Express x16 slot or the PCI Express x1 slot. The rear I/O supplies four USB 3.2 ports and four USB 2.0 ports. Internal headers include one USB 3.0 pin that expands to two USB 3.2 ports and one USB 2.0 pin that expands to two USB 2.0 ports for case front panels.

Six-phase power and mixed fan headers

Power delivery uses a six-phase design fed by the 24-pin and 8-pin connectors. Cooling headers comprise two 4-pin and two 3-pin fan connectors for CPU and chassis fans. Storage options cover four SATA 6Gb/s ports and two M.2 slots supporting NVME protocol, one linked to the CPU with automatic PCIe 3.0 or 4.0 recognition and one fixed at PCIe 3.0. Display outputs are one HDMI and two DisplayPort connectors. Audio and wired networking are handled by Realtek ALC897 and Realtek 8111H controllers.

Highlights

  • Supports AMD Ryzen 4000 and 5000 series processors via AM4 socket
  • Dual-channel DDR4 memory up to 64GB at speeds up to 4000MHz
  • Two M.2 NVME slots plus four SATA 6Gb/s ports for fast storage
  • Rear I/O includes four USB 3.2, four USB 2.0, HDMI and two DisplayPort outputs
  • Built-in WiFi, Realtek ALC897 audio and Realtek 8111H LAN on micro-ATX form factor

Specifications

BrandJGINYUE
Series4000
ModelB550M Pro
CPU Socket TypeAM4
CPU TypeRyzen 4000 Series
ChipsetAMD B550
Number of Memory Slots2x288pin (DDR4)
Memory StandardDDR4 4000
Maximum Memory Supported64GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express x11 x PCI Express x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.22 x M.2
Back I/O PortsRear 4 USB 3.2, 4 USB 2.0;
Front mounted 1 USB 3.0 pin can expand 2 USB 3.2 pins, and 1 USB 2.0 pin can expand 2 USB 2.0 pins
HDMI1 x HDMI
DisplayPort2 x DisplayPort
Form FactorMicro ATX
Dimensions (W x L)8.66" x 7.09"
Power Pin24 Pin
Windows 11Supported

Questions about this item

When will the 64 GB DDR4 4000 memory limit become a bottleneck?

The board has two 288-pin DDR4 slots and caps total capacity at 64 GB; once both slots are filled with 32 GB modules there is no room to add more without replacing existing sticks.

What thermal or power constraint appears first under sustained all-day load?

The 6-phase CPU power delivery and four fan headers (two 4-pin, two 3-pin) set the practical ceiling; VRM temperatures will limit sustained boost clocks before the 24-pin and 8-pin connectors reach their rated current.

How loud and hot does the board get when running 24/7 with WiFi active?

Onboard WiFi adds negligible heat; noise depends on the CPU cooler and case fans attached to the four headers, while the Realtek ALC897 audio and 8111H LAN draw minimal power.

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