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Contents Safety information...iv About this guide...v Package contents...vi TUF GAMING B550-PRO specifications summary vi Connectors with shared bandwidth x Chapter 1 Product Introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-9 1.4 System memory 1-10 1.5 M.2 installation 1-11 Chapter 2 BIOS and RAID Support 2.1 Knowing BIOS 2-1 2.2 BIOS Setup program 2-2 2.3 ASUS EZ Flash 3 2-3 2.4 ASUS CrashFree BIOS 3 2-4 2.5 RAID configurations 2-5 Appendix Notices...A-1 ASUS contact information A-6 iii
Contents Safety information...iv About this guide...v Package contents...vi TUF GAMING B550-PRO specifications summary vi Connectors with shared bandwidth x Chapter 1 Product Introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-9 1.4 System memory 1-10 1.5 M.2 installation 1-11 Chapter 2 BIOS and RAID Support 2.1 Knowing BIOS 2-1 2.2 BIOS Setup program 2-2 2.3 ASUS EZ Flash 3 2-3 2.4 ASUS CrashFree BIOS 3 2-4 2.5 RAID configurations 2-5 Appendix Notices...A-1 ASUS contact information A-6 iii
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... items. Motherboard Cables Miscellaneous Application DVD Documentation 1 x TUF GAMING B550-PRO motherboard 2 x SATA 6Gb/s cables 1 x I/O Shield 1 x M.2 Rubber package 1 x M.2 SSD screw package 1 x TUF Gaming sticker 1 x Support DVD 1 x TUF Certification card 1 x User manual If any of the above items is occupied. **Support PCIe bifurcation for CPU support list. TUF GAMING B550-PRO specifications summary CPU Chipset Memory Graphics Expansion Slots AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors* *Refer to www.asus.com for the Memory QVL...
... items. Motherboard Cables Miscellaneous Application DVD Documentation 1 x TUF GAMING B550-PRO motherboard 2 x SATA 6Gb/s cables 1 x I/O Shield 1 x M.2 Rubber package 1 x M.2 SSD screw package 1 x TUF Gaming sticker 1 x Support DVD 1 x TUF Certification card 1 x User manual If any of the above items is occupied. **Support PCIe bifurcation for CPU support list. TUF GAMING B550-PRO specifications summary CPU Chipset Memory Graphics Expansion Slots AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors* *Refer to www.asus.com for the Memory QVL...
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... USB Type-C®) 2 x USB 2.0 headers support additional 4 USB 2.0 ports Realtek ALC S1200A 7.1 Surround Sound High Definition Audio CODEC* - Supports up to 24-Bit/192 kHz playback Audio Features - Premium Japanese audio capacitors - TUF GAMING B550-PRO specifications summary Multi-GPU Support Storage Ethernet USB Audio Back Panel I/O Ports Supports AMD 2-Way CrossFireX™ Technology Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen...
... USB Type-C®) 2 x USB 2.0 headers support additional 4 USB 2.0 ports Realtek ALC S1200A 7.1 Surround Sound High Definition Audio CODEC* - Supports up to 24-Bit/192 kHz playback Audio Features - Premium Japanese audio capacitors - TUF GAMING B550-PRO specifications summary Multi-GPU Support Storage Ethernet USB Audio Back Panel I/O Ports Supports AMD 2-Way CrossFireX™ Technology Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen...
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...-3 pin System Panel header 1 x Thermal Sensor header 1 x Thunderbolt header ASUS TUF PROTECTION - ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - TUF LANGuard - BIOS FlashBack™ button - BIOS FlashBack™ LED - Procool (continued on the next page) viii ASUS Enhanced DRAM Overcurrent Protection - ASUS ESD Guards - ASUS SafeSlot - ASUS Q-DIMM - Aluminum M.2 heatsink ASUS EZ DIY - TUF GAMING B550-PRO specifications summary Internal I /O ASUS Q-Design - ASUS DIGI+ VRM (Digital power design with DrMOS) - ASUS Q-Slot ASUS Thermal...
...-3 pin System Panel header 1 x Thermal Sensor header 1 x Thunderbolt header ASUS TUF PROTECTION - ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - TUF LANGuard - BIOS FlashBack™ button - BIOS FlashBack™ LED - Procool (continued on the next page) viii ASUS Enhanced DRAM Overcurrent Protection - ASUS ESD Guards - ASUS SafeSlot - ASUS Q-DIMM - Aluminum M.2 heatsink ASUS EZ DIY - TUF GAMING B550-PRO specifications summary Internal I /O ASUS Q-Design - ASUS DIGI+ VRM (Digital power design with DrMOS) - ASUS Q-Slot ASUS Thermal...
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...-Way AI Noise Cancelation AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert 4 PC Cleaner - System Information TUF GAMING CPU-Z AI Charger ASUS Turbo LAN DTS Custom for GAMING Headsets Norton Anti-virus software (Free Trial for the latest specifications. ASUS UEFI BIOS EZ Mode 256 Mb Flash ROM, UEFI AMI BIOS WOL by PME, PXE Windows 10 64-bit ATX Form Factor 12 inch x 9.6 inch (30.5 cm x 24...
...-Way AI Noise Cancelation AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert 4 PC Cleaner - System Information TUF GAMING CPU-Z AI Charger ASUS Turbo LAN DTS Custom for GAMING Headsets Norton Anti-virus software (Free Trial for the latest specifications. ASUS UEFI BIOS EZ Mode 256 Mb Flash ROM, UEFI AMI BIOS WOL by PME, PXE Windows 10 64-bit ATX Form Factor 12 inch x 9.6 inch (30.5 cm x 24...
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... damage motherboard components. ASUS TUF GAMING B550-PRO 1-1 Failure to do so may cause severe damage to static electricity. • Before you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Product Introduction 1 1.1 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord...
... damage motherboard components. ASUS TUF GAMING B550-PRO 1-1 Failure to do so may cause severe damage to static electricity. • Before you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Product Introduction 1 1.1 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord...
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... connect a display, we suggest installing a VGA card to PCIe X16_2, which will run at x4. • When using AMD Ryzen™ 4000 G-Series processors and a Hyper M.2 X16 series card with the PCI Express specification. Expansion slots This motherboard supports two PCIe x16 graphics cards and three PCIe 3.0 x1 network cards, SCSI cards and other cards that comply with up to a power supply. Hyper M.2 x16 series card configuration Slot PCIe bifurcation settings in only one orientation. FAN PWM FAN IN FAN PWR GND GND FAN PWR FAN IN FAN PWM 4. Power connectors These Power...
... connect a display, we suggest installing a VGA card to PCIe X16_2, which will run at x4. • When using AMD Ryzen™ 4000 G-Series processors and a Hyper M.2 X16 series card with the PCI Express specification. Expansion slots This motherboard supports two PCIe x16 graphics cards and three PCIe 3.0 x1 network cards, SCSI cards and other cards that comply with up to a power supply. Hyper M.2 x16 series card configuration Slot PCIe bifurcation settings in only one orientation. FAN PWM FAN IN FAN PWR GND GND FAN PWR FAN IN FAN PWM 4. Power connectors These Power...
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...™ 4000 G-Series Desktop Processors, M.2_1 slot supports PCIe 3.0 x4 mode and SATA mode M Key design and type 2242/2260/2280/22110 storage devices. • For AMD B550 chipset, M.2_2 slot supports PCIe 3.0 x4 mode and SATA mode M Key design and type 2242/2260/2280/22110 storage devices. 7. USB+5V USB_P2USB_P2+ GND NC ASUS TUF GAMING B550-PRO 1-3 The USB 3.2 Gen 1 header provides data transfer speeds of up to 5 Gb/s. The header provides a data transfer speed of up to 5 Gb/s. DO NOT connect a 1394 cable to the USB connectors. PIN 1 USB+5V USB_P1USB_P1...
...™ 4000 G-Series Desktop Processors, M.2_1 slot supports PCIe 3.0 x4 mode and SATA mode M Key design and type 2242/2260/2280/22110 storage devices. • For AMD B550 chipset, M.2_2 slot supports PCIe 3.0 x4 mode and SATA mode M Key design and type 2242/2260/2280/22110 storage devices. 7. USB+5V USB_P2USB_P2+ GND NC ASUS TUF GAMING B550-PRO 1-3 The USB 3.2 Gen 1 header provides data transfer speeds of up to 5 Gb/s. The header provides a data transfer speed of up to 5 Gb/s. DO NOT connect a 1394 cable to the USB connectors. PIN 1 USB+5V USB_P1USB_P1...
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... header allows you install or remove any component, ensure that the ATX power supply is switched off or the power cord is purchased separately. 12. Turn OFF the computer and unplug the power cord. Aura Addressable Gen 2 headers The Addressable Gen 2 headers allow you to short the two pins. 3. 11. Before you to clear the CMOS RTC RAM data of the system setup information such as a screwdriver to connect...
... header allows you install or remove any component, ensure that the ATX power supply is switched off or the power cord is purchased separately. 12. Turn OFF the computer and unplug the power cord. Aura Addressable Gen 2 headers The Addressable Gen 2 headers allow you to short the two pins. 3. 11. Before you to clear the CMOS RTC RAM data of the system setup information such as a screwdriver to connect...
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... panel audio header This header is for the system power button. HD-audio-compliant pin definition PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L 16. Connect the chassis power LED cable to hear system beeps and warnings. • ATX power button/soft-off mode depending on the system power, and blinks when the system is for a serial (COM) port. The speaker allows you turn on the operating system settings. ASUS TUF GAMING B550-PRO 1-5 If the steps above do not help, remove the onboard battery...
... panel audio header This header is for the system power button. HD-audio-compliant pin definition PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L 16. Connect the chassis power LED cable to hear system beeps and warnings. • ATX power button/soft-off mode depending on the system power, and blinks when the system is for a serial (COM) port. The speaker allows you turn on the operating system settings. ASUS TUF GAMING B550-PRO 1-5 If the steps above do not help, remove the onboard battery...
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... Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during the motherboard booting process. BIOS FlashBackTM LED The FlashBack™ LED lights up or blinks to monitor the temperature of your motherboard's critical components and connected devices. I2C_SCL I2C_SDA I2C_IRQ# RTD3_POWER_EN S_SLP_S0#_IDLE PERST_N WAKE# FORCE_PWR CIO_PLUG_EVENT SLP_S3# SLP_S5# GND RTD3_SW • Reset button (2-pin RESET) This 2-pin header is for the chassis-mounted reset button for more information on Thunderbolt I/O card that allows you to connect up to case...
... Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during the motherboard booting process. BIOS FlashBackTM LED The FlashBack™ LED lights up or blinks to monitor the temperature of your motherboard's critical components and connected devices. I2C_SCL I2C_SDA I2C_IRQ# RTD3_POWER_EN S_SLP_S0#_IDLE PERST_N WAKE# FORCE_PWR CIO_PLUG_EVENT SLP_S3# SLP_S5# GND RTD3_SW • Reset button (2-pin RESET) This 2-pin header is for the chassis-mounted reset button for more information on Thunderbolt I/O card that allows you to connect up to case...
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...channel audio configuration. 8. Press the BIOS FlashBackTM button for USB 2.0 devices. 2. These 4-pin Universal Serial Bus (USB) ports are for three seconds until the FlashBackTM LED blinks three times, indicating that the BIOS FlashBackTM function is for USB 3.2 Gen 2 devices. 4. Insert a USB storage device to this USB 2.0 port to the table below for a DisplayPort-compatible device. 6. Center / Subwoofer port (orange). Ethernet port. Line In port (light blue). This 9-pin Universal Serial Bus 3.2 (USB 3.2) port is enabled. 10. ASUS TUF GAMING B550-PRO 1-7 USB 2.0 ports...
...channel audio configuration. 8. Press the BIOS FlashBackTM button for USB 2.0 devices. 2. These 4-pin Universal Serial Bus (USB) ports are for three seconds until the FlashBackTM LED blinks three times, indicating that the BIOS FlashBackTM function is for USB 3.2 Gen 2 devices. 4. Insert a USB storage device to this USB 2.0 port to the table below for a DisplayPort-compatible device. 6. Center / Subwoofer port (orange). Ethernet port. Line In port (light blue). This 9-pin Universal Serial Bus 3.2 (USB 3.2) port is enabled. 10. ASUS TUF GAMING B550-PRO 1-7 USB 2.0 ports...
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Microphone port (pink). Audio 2, 4, 5.1 or 7.1-channel configuration Port Light Blue Lime Pink Orange Black Headset 2-channel Line In Line Out Mic In - - 4-channel 5.1-channel 7.1-channel Line In Front Speaker Out Mic In - HDMITM port. This port connects the optical S/PDIF devices. 14. These 9-pin Universal Serial Bus (USB) ports connect to 5Gbps) ports. This port connects a microphone. 15. This port connects a headphone or a speaker. Rear Speaker Out Line In Front Speaker Out Mic In Center/Subwoofer Rear Speaker Out Side Speaker Out...
Microphone port (pink). Audio 2, 4, 5.1 or 7.1-channel configuration Port Light Blue Lime Pink Orange Black Headset 2-channel Line In Line Out Mic In - - 4-channel 5.1-channel 7.1-channel Line In Front Speaker Out Mic In - HDMITM port. This port connects the optical S/PDIF devices. 14. These 9-pin Universal Serial Bus (USB) ports connect to 5Gbps) ports. This port connects a microphone. 15. This port connects a headphone or a speaker. Rear Speaker Out Line In Front Speaker Out Mic In Center/Subwoofer Rear Speaker Out Side Speaker Out...
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The AM4 socket has a different pinout design. Unplug all power cables before you use a CPU designed for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors. Ensure that you install the 13 heatsink and fan if necessary. 14 14 15 15 8 8 ASUS TUF GAMING B550-PRO 1-9 The CPU fits in only one correct orientation. Installing the CPU 1 1 2 2 3 3 4 4 5 5 6 6 7 7 18 1 8 29 29 130 130 141 141 152 152 163 163 174 7 14 185 8 89...
The AM4 socket has a different pinout design. Unplug all power cables before you use a CPU designed for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors. Ensure that you install the 13 heatsink and fan if necessary. 14 14 15 15 8 8 ASUS TUF GAMING B550-PRO 1-9 The CPU fits in only one correct orientation. Installing the CPU 1 1 2 2 3 3 4 4 5 5 6 6 7 7 18 1 8 29 29 130 130 141 141 152 152 163 163 174 7 14 185 8 89...
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Installing a DIMM 1 2 A A B To remove a DIMM B A 1.5 M.2 installation 1 21 1 21 3 OPTIONAL 3 OPTIONAL ASUS TUF GAMING B550-PRO • Ensure to either M.2_1 or M.2_2. • The diagrams in this section are for reference only. 1-11 The rubber pad installed by default is compatible with double sided M.2 storage devices. • The M.2 heatsink can be installed to install the bundled M.2 rubber pad before installing your single sided M.2 storage device. • DO NOT install the bundled M.2 rubber pads when installing a double-sided M.2 storage device.
Installing a DIMM 1 2 A A B To remove a DIMM B A 1.5 M.2 installation 1 21 1 21 3 OPTIONAL 3 OPTIONAL ASUS TUF GAMING B550-PRO • Ensure to either M.2_1 or M.2_2. • The diagrams in this section are for reference only. 1-11 The rubber pad installed by default is compatible with double sided M.2 storage devices. • The M.2 heatsink can be installed to install the bundled M.2 rubber pad before installing your single sided M.2 storage device. • DO NOT install the bundled M.2 rubber pads when installing a double-sided M.2 storage device.
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... motherboard CMOS. ASUS TUF GAMING B550-PRO 2-1 In normal circumstances, the default BIOS settings apply to most conditions to enable a more information on the screen during the system bootup and requests you change the default BIOS settings except in the following circumstances: • An error message appears on BIOS configurations, please refer to run the BIOS Setup. • You have installed a new system component that requires further BIOS settings or update. BIOS and RAID Support 2 2.1 Knowing BIOS The new ASUS UEFI BIOS...
... motherboard CMOS. ASUS TUF GAMING B550-PRO 2-1 In normal circumstances, the default BIOS settings apply to most conditions to enable a more information on the screen during the system bootup and requests you change the default BIOS settings except in the following circumstances: • An error message appears on BIOS configurations, please refer to run the BIOS Setup. • You have installed a new system component that requires further BIOS settings or update. BIOS and RAID Support 2 2.1 Knowing BIOS The new ASUS UEFI BIOS...
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... BIOS screens include navigation keys and brief onscreen help to guide you want to use the mouse to control the BIOS Setup program. • If the system becomes unstable after changing any BIOS setting, try to clear the CMOS and reset the motherboard to the default value. • The BIOS Setup program does not support Bluetooth devices. Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS setting, load the default settings to ensure system compatibility and stability. Select the Load Optimized Defaults...
... BIOS screens include navigation keys and brief onscreen help to guide you want to use the mouse to control the BIOS Setup program. • If the system becomes unstable after changing any BIOS setting, try to clear the CMOS and reset the motherboard to the default value. • The BIOS Setup program does not support Bluetooth devices. Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS setting, load the default settings to ensure system compatibility and stability. Select the Load Optimized Defaults...
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... to switch to the USB port. 2. To update the BIOS by USB: • This function can support devices such as a USB flash disk with FAT 32/16 format and single partition only. • DO NOT shut down or reset the system while updating the BIOS to update the BIOS without using an OS‑based utility. ASUS TUF GAMING B550-PRO 2-3 2.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to prevent system boot failure! 1. Ensure to load the BIOS default settings...
... to switch to the USB port. 2. To update the BIOS by USB: • This function can support devices such as a USB flash disk with FAT 32/16 format and single partition only. • DO NOT shut down or reset the system while updating the BIOS to update the BIOS without using an OS‑based utility. ASUS TUF GAMING B550-PRO 2-3 2.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to prevent system boot failure! 1. Ensure to load the BIOS default settings...
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... system boot failure! 2-4 Chapter 2: BIOS and RAID Support The system requires you press to load default BIOS values. Insert the USB flash drive containing the BIOS file to restore the BIOS file when it to a USB flash drive. The utility automatically checks the devices for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 3 automatically. 4. To ensure system compatibility and stability, we recommend that you to enter BIOS Setup to recover the BIOS setting. 2.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility...
... system boot failure! 2-4 Chapter 2: BIOS and RAID Support The system requires you press to load default BIOS values. Insert the USB flash drive containing the BIOS file to restore the BIOS file when it to a USB flash drive. The utility automatically checks the devices for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 3 automatically. 4. To ensure system compatibility and stability, we recommend that you to enter BIOS Setup to recover the BIOS setting. 2.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility...
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... QR code. The new drive must be calculated and written. Use two new drives or use an existing drive and three new drives for this setup. Two hard disks perform the same work as it contains a complete copy of both RAID 0 and RAID 1 configurations. If one drive to be of a single disk alone, thus improving data access and storage. RAID 10 is required for this setup. ASUS TUF GAMING B550-PRO 2-5 With the RAID 10 configuration you...
... QR code. The new drive must be calculated and written. Use two new drives or use an existing drive and three new drives for this setup. Two hard disks perform the same work as it contains a complete copy of both RAID 0 and RAID 1 configurations. If one drive to be of a single disk alone, thus improving data access and storage. RAID 10 is required for this setup. ASUS TUF GAMING B550-PRO 2-5 With the RAID 10 configuration you...