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Green micro-ATX motherboard with large silver VRM heatsinks and black PCB

ASUS

ASUS TUF GAMING B550M-PLUS WIFI II Heavy Gunner AMD motherboard

SKU CH-CC2Y-FZA22

Micro-ATX AMD board with 8+2-phase power, PCIe 4.0, dual M.2, WiFi 6 and 2.5G LAN

  • Number of Memory SlotsDDR5
  • Maximum Memory Supported128GB
  • Channel SupportedDual Channel
  • Form FactorM-ATX
  • Dimensions (W x L)12.0" x 9.6"
  • Windows 11Windows 11 (22H2 & later)
  • Stable overclocking for flagship Ryzen CPUs with 8+2-phase DrMOS power and 8Pin ProCool
  • PCIe 4.0 graphics and NVMe SSD at 64Gbps with dual M.2 thermal armour
  • Low-latency gaming via 2.5G wired LAN and WiFi 6 wireless at 2.4Gbps
  • Clear comms with bi-directional AI noise cancellation and DTS audio presets on S1200A codec
  • Cool, stable operation from oversized VRM heatsink, military-spec PCB and AURA SYNC RGB

Built for AMD Ryzen 5950X builds

The ASUS TUF GAMING B550M-PLUS WIFI II Heavy Gunner is an M-ATX board designed for AMD Ryzen processors. It targets gamers and streamers who want a cost-effective mid-range platform. The board supports DDR5 memory up to 128GB in dual-channel mode. It fits cases that accept the 12.0 by 9.6 inch form factor.

8+2-phase DrMOS with oversized VRM heatsink

An 8+2-phase DrMOS power design and an 8-pin ProCool connector deliver stable current to flagship CPUs such as the Ryzen 9 5950X. An oversized VRM heatsink and a military-specification PCB dissipate heat during heavy loads. The layout keeps thermals in check without adding noise in normal use.

PCIe 4.0 dual M.2 with thermal armour and WiFi 6

Two M.2 slots support PCIe 4.0 NVMe SSDs at 64Gbps and include thermal armour to sustain write speeds. Networking combines a 2.5G wired port with WiFi 6 wireless at 2.4Gbps plus Turbo LAN optimisation. Audio uses an upgraded S1200A chip with bi-directional AI noise cancellation and DTS customisation. AURA SYNC handles ARGB lighting coordination.

Highlights

  • Stable overclocking for flagship Ryzen CPUs with 8+2-phase DrMOS power and 8Pin ProCool
  • PCIe 4.0 graphics and NVMe SSD at 64Gbps with dual M.2 thermal armour
  • Low-latency gaming via 2.5G wired LAN and WiFi 6 wireless at 2.4Gbps
  • Clear comms with bi-directional AI noise cancellation and DTS audio presets on S1200A codec
  • Cool, stable operation from oversized VRM heatsink, military-spec PCB and AURA SYNC RGB

Specifications

BrandASUS
ModelTUF GAMING B550M-PLUS WIFI II
Number of Memory SlotsDDR5
Maximum Memory Supported128GB
Channel SupportedDual Channel
Form FactorM-ATX
Dimensions (W x L)12.0" x 9.6"
Windows 11Windows 11 (22H2 & later)

Questions about this item

How do I install the 8Pin ProCool connector for the 8+2-phase DrMOS power supply, and what step is often missed?

Connect the 8Pin ProCool cable from the PSU to the motherboard socket near the CPU; the step often missed is pressing it in until the latch clicks, otherwise the 5950X may not receive stable power.

What maintenance or replacement will the M.2 thermal armour and oversized VRM heatsink need later?

The thermal armour and heatsink are passive; no replacement is needed, but clean dust from the fins every few months so the 64Gbps NVMe SSD and VRM stay cool.

What limit appears first during sustained loads on the WiFi 6 wireless link?

The 2.4Gbps WiFi 6 ceiling is reached before the 2.5G wired NIC saturates, so extended transfers may throttle at the wireless interface.

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