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Green rectangular micro-ATX motherboard with black heatsinks and silver I/O shield

MAXSUN

MAXSUN Challenger B650M WiFi AMD motherboard

SKU CH-EZK8-EMD2X

Micro-ATX B650 board with AM5 socket, dual-channel DDR5 up to 128 GB, PCIe 4.0 x16, one M.2 slot, 1 Gbps LAN, Wi-Fi and Bluetooth

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series
  • ChipsetAMD B650
  • Number of Memory Slots2x288pin (DDR5)
  • Memory StandardSupport for DDR5 6400(OC) / 6200(OC) / 6000(OC) / 5600(OC) /
  • Maximum Memory Supported128GB
  • Supports Ryzen 7000 series CPUs via AM5 socket
  • Dual-channel DDR5 memory up to 128 GB capacity
  • PCIe 4.0 x16 slot for modern graphics cards
  • M.2 slot enables NVMe SSD boot drives
  • Built-in Wi-Fi and Bluetooth with RTL8821CE chip

Compact AM5 platform

The MAXSUN Challenger B650M WiFi is a micro-ATX motherboard built around the AMD B650 chipset for Ryzen 7000 series processors. It targets builders who want a small-footprint AM5 system with integrated wireless connectivity. The board provides a single PCI Express 4.0 x16 slot and one M.2 connector for NVMe storage.

Two DDR5 slots limit high-capacity builds

Enthusiasts needing four memory channels or more than two DIMM slots should consider a full-size ATX alternative. The dual-channel design suits mainstream gaming rigs and workstations that run 4800 to 6400 MHz DDR5 modules. Users planning heavy multi-threaded workloads with 128 GB of RAM may find the slot count restrictive.

Single M.2 slot defines storage expansion

Only one M.2 socket is available, so the board accommodates a single NVMe drive as the primary boot device. Additional storage must use the PCI Express x1 slot with an adapter or rely on external solutions. This constraint makes the board a clear choice for compact builds with modest storage needs.

Highlights

  • Supports Ryzen 7000 series CPUs via AM5 socket
  • Dual-channel DDR5 memory up to 128 GB capacity
  • PCIe 4.0 x16 slot for modern graphics cards
  • M.2 slot enables NVMe SSD boot drives
  • Built-in Wi-Fi and Bluetooth with RTL8821CE chip

Specifications

BrandMAXSUN
SeriesB650M
ModelMS-Challenger B650M WIFI
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series
ChipsetAMD B650
Number of Memory Slots2x288pin (DDR5)
Memory StandardSupport for DDR5 6400(OC) / 6200(OC) / 6000(OC) / 5600(OC) / 4800 / 4400 MHz memory module
Maximum Memory Supported128GB
Channel SupportedDual Channel
ECC SupportedNon-ECC
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express x11 x PCI Express x1
Other Slots* Supports NVMe SSD as boot disks
M.21 x M.2
LAN ChipsetRealtek RTL8111
Max LAN Speed1Gbps
Wireless LANRTL8821CE
BluetoothYes
HDMI1 x HDMI
RJ451 x RJ45
DisplayPort1 x DisplayPort
USB 3.14 x USB 3.1
USB 1.1/2.02 x USB 2.0
Power Pin24 Pin
Windows 11Supported

Questions about this item

How warm does the Challenger B650M WiFi run with a Ryzen 7000 CPU under sustained load?

The board uses a 6-phase power design with heatsinks on the VRM and M.2 slot, keeping thermals in check for daily workloads and moderate overclocking on Ryzen 7000 series processors.

Which memory kits must I already own to populate the two 288-pin slots?

You need DDR5 modules; the board validates speeds from 4400 up to 6400 MT/s when overclocked and supports up to 128 GB in dual-channel mode.

Can I keep my existing PCIe 4.0 x16 graphics card and NVMe boot drive when switching to this motherboard?

Yes, the single PCIe 4.0 x16 slot and the M.2 connector both run at Gen 4 speeds, so current-generation GPUs and NVMe SSDs work without an adapter.

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