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ASUS TUF B550M-PLUS WIFI II micro ATX board dark grey with Ryzen 5 5600G CPU in box

ASUS

ASUS TUF GAMING B550M-PLUS WIFI II with Ryzen 5 5600G combo

SKU CH-PJNN-KRJNH

Micro-ATX B550 board with WiFi 6 and 2.5 Gb LAN paired with a 6-core Ryzen 5 5600G running at 3.9 GHz and Radeon graphics

  • ProcessorRyzen 5000G Series
  • ChipsetAMD B550
  • Form factorMicro ATX
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) /
  • Max supported RAM128 GB
  • 6-core Ryzen 5 5600G at 3.9 GHz for responsive multitasking
  • Integrated Radeon graphics on the CPU for display output without a discrete card
  • 128 GB DDR4 over four 288-pin slots with speeds up to 4866 MT/s
  • WiFi 6 plus 2.5 Gb LAN for fast, stable network connections
  • Two M.2 slots including one PCIe 4.0 x4 for high-speed NVMe storage

AM4 socket board for Ryzen 5000G CPUs

The ASUS TUF GAMING B550M-PLUS WIFI II pairs the AMD B550 chipset with an AM4 socket. It is sold as a combo with the Ryzen 5 5600G, a 6-core Zen 3 processor running at 3.9 GHz with 65 W TDP. Integrated Radeon graphics handle display output without a separate card. The Micro ATX form factor fits compact builds while supporting dual-channel DDR4 up to 128 GB.

Standard Micro ATX layout with clear labelling

Installation follows the usual AM4 mounting pattern and 288-pin DDR4 slots. The board includes four SATA 6Gb/s ports and one M.2 slot (Key M) accepting 2242, 2260 or 2280 drives. A second PCIe 3.0 x16 slot runs at x4 electrical; it shares bandwidth with the PCIe 3.0 x1 slot. Builders should verify cooler clearance around the VRM heatsink and confirm the CPU supports PCIe 4.0 for the primary M.2 and x16 slot.

128 GB DDR4 headroom and dual M.2 flexibility

Four memory slots allow up to 128 GB of DDR4, with supported speeds from 2666 up to 4866 MT/s when overclocked. The primary M.2_1 slot delivers PCIe 4.0 x4 bandwidth for fast NVMe storage when a compatible Ryzen 5000 series CPU is installed. The second M.2 slot and the four SATA ports cover additional drives. Networking includes WiFi 6 (802.11ax) and 2.5 Gb LAN, while 7.1-channel audio uses the Realtek S1220A codec.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $260.99
Typical for this category: the median of 1,906 items is $224.49.

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Specifications

Product
Brand nameASUS
Model nameTUF GAMING B550M-PLUS WIFI II
Part number90MB19Y0-MVAAY0
Processor
ProcessorRyzen 5000G Series
ChipsetAMD B550
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.
Max supported RAM128 GB
Memory channelsDual Channel
ECC supportECC Memory (ECC mode) support varies by CPU
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsAMD Ryzen 5000 Series/ 3000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes)
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)
AMD B550 Chipset
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
SATA and RAID support0/1/10
Graphics
Onboard video chipSupported only by CPU with integrated graphic
Audio & video
Audio chipRealtek 7.1 Surround Sound High Definition Audio CODEC
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek 2.5Gb Ethernet
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 6
802.11 a/b/g/n/ac/ax
Bluetooth support5.2
Ports & slots
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16*
* Actual support may vary by CPU.
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16*
* Running at x4 mode
PCIe x1 slots1 x PCIe 3.0 x1*
* PCIEX16_2 will run x2 mode when PCIEX1 is used.
Rear panel ports2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
4 x USB 3.2 Gen 1 ports (4 x Type-A, one port can be switched to USB BIOS FlashBack)
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
5 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x PS/2 Keyboard/Mouse combo port
Onboard USB headers1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
1 × 8-pin +12 V Power connector
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Compatibility
Windows 11 supportReady
More details
LightingRGB

Questions about this item

How can I confirm the WiFi 6 and 2.5 Gb LAN are active after I install the board?

Open Device Manager in Windows 11; the WiFi 6 adapter and 2.5 Gb Ethernet controller should appear without yellow warnings, and the LED on the rear I/O panel will light when a link is established.

What comes in the combo box and what must I purchase separately?

The box contains the TUF GAMING B550M-PLUS WIFI II motherboard and the Ryzen 5 5600G processor with its stock cooler; you still need DDR4 memory modules, an NVMe or SATA drive, a power supply and a chassis.

Which memory speed should I select for the Ryzen 5 5600G and this board?

The CPU officially supports DDR4 3200; the board can run kits up to DDR4 4866(OC), so a 3200 or 3600 MHz kit gives guaranteed stability while higher speeds require manual tuning in the UEFI.

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