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ASUS TUF B550M motherboard and Ryzen 7 5700X CPU combo, micro-ATX board with black heatsinks and silver accents

ASUS

ASUS TUF GAMING B550M-PLUS WIFI II AMD motherboard with Ryzen 7 5700X

SKU CH-TY99-MTH23

Micro ATX board with WiFi 6 and 2.5 Gb LAN paired with an 8-core 3.4 GHz Ryzen 7 5700X CPU

  • CPU TypeRyzen 5000 Series
  • ChipsetAMD B550
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) /
  • Maximum Memory Supported128GB
  • Channel SupportedDual Channel
  • 8-core 3.4 GHz Ryzen 7 5700X delivers strong multi-thread performance
  • 5 Gb LAN plus WiFi 6 gives fast, low-latency network connectivity
  • Four DDR4 slots support up to 128 GB memory for heavy workloads
  • PCIe 4.0 M.2 slot enables high-speed NVMe storage
  • 8+2 DrMOS power stages supply stable power to high-core-count CPUs

AM4 micro-ATX motherboard with Ryzen 7 5700X combo

This bundle pairs an ASUS TUF GAMING B550M-PLUS WIFI II board with an eight-core Ryzen 7 5700X processor. The CPU runs at a 3.4 GHz base clock within a 65 W envelope and provides 32 MB of L3 cache. The board uses the AMD B550 chipset and supports 3rd Gen Ryzen processors in the AM4 socket.

Builders upgrading an AM4 system

The platform delivers PCIe 4.0 on the primary x16 slot and first M.2 socket, plus 2.5 Gb Ethernet and WiFi 6 for networking. Four DDR4 slots accept up to 128 GB in dual-channel mode. Buyers who need integrated graphics or a newer socket should select a different platform.

PCIe 4.0 x4 M.2 slot for high-speed NVMe storage

The primary M.2_1 socket supports 2242, 2260 and 2280 drives at PCIe 4.0 x4 speeds, while the second slot runs at PCIe 3.0 x2. This distinction decides whether the board can feed a modern SSD at full bandwidth.

Highlights

  • 8-core 3.4 GHz Ryzen 7 5700X delivers strong multi-thread performance
  • 5 Gb LAN plus WiFi 6 gives fast, low-latency network connectivity
  • Four DDR4 slots support up to 128 GB memory for heavy workloads
  • PCIe 4.0 M.2 slot enables high-speed NVMe storage
  • 8+2 DrMOS power stages supply stable power to high-core-count CPUs

Specifications

BrandASUS
ModelTUF GAMING B550M-PLUS WIFI II
CPU TypeRyzen 5000 Series
ChipsetAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 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
Maximum Memory Supported128GB
Channel SupportedDual Channel
ECC SupportedECC Memory (ECC mode) support varies by CPU
Buffer SupportedUn-buffered
PCI Express 4.0 x161 x PCI Express 4.0 x16*
* Actual support may vary by CPU.
PCI Express 3.0 x161 x PCI Express 3.0 x16*
* Running at x4 mode
PCI Express x11 x PCIe 3.0 x1*
* PCIEX16_2 will run x2 mode when PCIEX1 is used.
Serial ATA (SATA)4 x SATA 6Gb/s
M.2AMD 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 RAID0/1/10
Onboard Video ChipsetSupported only by CPU with integrated graphic
Audio ChipsetRealtek 7.1 Surround Sound High Definition Audio CODEC
Audio Channels7.1 Channels
LAN ChipsetRealtek 2.5Gb Ethernet
Max LAN Speed2.5Gbps
Wireless LANIntel Wi-Fi 6 AX200
802.11a/b/g/n/ac/ax
BluetoothBluetooth 5.2
Back I/O 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 USB1 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
Other ConnectorsFan and Cooling related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
2 x 4-pin Chassis Fan headers
Miscellaneous
1 x Addressable Gen 2 header
2 x AURA RGB headers
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x Speaker header
1 x SPI TPM header (14-1pin)
1 x 10-1 pin System Panel header
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 9.6"
Power Pin1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Windows 11Supported
Package ContentsAccessories:
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS Wi-Fi moving antennas
1 x I/O Shield
1 x M.2 Rubber package
1 x M.2 SSD screw package
1 x TUF Gaming sticker
Installation Media
1 x Support DVD
Documentation
1 x TUF Certification card
1 x User guide

Questions about this item

How much power does the included Ryzen 7 5700X draw under sustained load?

The processor has a 65W TDP, which is the thermal limit the cooler must handle during continuous all-core workloads.

What are the VRM temperatures like when the board runs all day with an 8-core CPU?

The 8+2 DrMOS power stages are cooled by a fanless heatsink; hybrid fan headers and Fan Xpert 4 let you tune chassis airflow to keep VRM temperatures in check during extended sessions.

Which memory kit do I need to have on hand before this bundle will post?

You must supply DDR4 DIMMs — the board has four 288-pin slots supporting up to 128GB in dual-channel mode, with validated speeds from 2666 up to 4866(OC).

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