TUFGaming450B - Motherboard ASUS - Free user manual and instructions

Product type	Motherboard
Brand	ASUS
Model	TUF Gaming 450B
CPU socket	AM4
Chipset	AMD B450
Form factor	ATX
Supported memory	DDR4, up to 128 GB, 4 slots
Main power connector	24-pin
CPU connector	8-pin (4+4)
PCIe slots	x16 (x1, x4 configurable)
SATA ports	6 x SATA 6 Gb/s
Rear USB	2 x USB 3.2 Gen2, 4 x USB 3.2 Gen1, 2 x USB 2.0
Video output	HDMI, DisplayPort
Network	Realtek 1 Gb Ethernet
Audio	Realtek ALC887, 8-channel
Dimensions	30.5 cm x 24.4 cm (ATX standard)
Weight	Approximately 1 kg
Maintenance	Clean with a soft dry cloth. Do not use liquids.
Safety	Disconnect power before handling. Avoid moisture.
Spare parts / repairability	Contact ASUS for after-sales service.

Frequently Asked Questions - TUFGaming450B ASUS

What type of processor can I install on the TUF Gaming 450B?

The motherboard supports AMD Ryzen processors with AM4 socket, including Ryzen 3000, 4000G, and 5000 series (after BIOS update).

How to install the motherboard in the case?

Secure the motherboard on the case standoffs aligning the mounting holes. Use the provided screws. Ensure the rear I/O panel is correctly positioned.

Where is the CPU power connector located?

The 8-pin (4+4) CPU connector is located near the CPU socket. Connect the CPU power cable from the power supply.

Can I use DDR4 memory modules not listed in the QVL?

Yes, but compatibility is not guaranteed. It is recommended to check the compatibility list (QVL) on ASUS website for optimal performance.

How to update the BIOS of the TUF Gaming 450B?

Download the latest BIOS version from ASUS website. Use the EZ Flash tool built into the BIOS or use a bootable USB drive. USB BIOS Flashback feature is available on some models.

What are the diagnostic LED indicators?

The motherboard has LEDs for CPU, RAM, VGA, and Boot. In case of an issue, the corresponding LED stays on to indicate the source of the malfunction.

How to connect the front panel of the case?

Refer to the manual for pinout. Connectors include Power SW, Reset SW, power LED, HDD LED. Connect them to the JFP1 header on the motherboard.

Is the motherboard compatible with PCIe 4.0?

The B450 chipset supports PCIe 3.0. PCIe x16 slots run at 3.0. For PCIe 4.0, you need a Ryzen 5000 or 3000 series processor with a B550 or X570 motherboard.

How many SATA ports are available?

It has 6 SATA 6 Gb/s ports, allowing connection of multiple hard drives or SSDs.

What to do if the motherboard does not turn on?

Check power connections (24-pin and CPU). Ensure the power supply switch is ON. Test with a single RAM stick and remove all non-essential peripherals.

USER MANUAL TUFGaming450B ASUS

TUF GAMING POWER SUPPLY UNIT

Quick Start Guide

Quick Start Guide (Traditional Chinese)

Quick Start Guide (Simplified Chinese)

Quick Start Guide (JP)

Conventions used in this guide

To ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.

DANGER/WARNING: Information to prevent injury to yourself when trying to complete a task.

NOTE: Tips and additional information to help you complete a task.

Product overview

The device illustration is for reference only. Actual product specifications may vary with models.

1

Power connector Power switch

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Installing your TUF GAMING Power Supply Unit

Before installing or removing cables, ensure that the system is turned off, and all power cables for the system and all attached devices are unplugged.

1. Follow the directions of your chassis manual and secure your TUF GAMING power supply unit into your chassis using the mounting screws.
2. Connect the bundled cables to your TUF GAMING power supply unit.
3. Connect the power connectors to your motherboard and peripheral devices according to your preference. You may refer to the list below to check which devices each power connector can be connected to.

• The power connectors may vary between different models of TUF GAMING power supply units.
• Refer to your motherboard's user manual for more information on the location and connecting the power connectors mentioned below.
• Connect the 24-pin or 20-pin Main Power Connector to the motherboard's 24-pin or 20-pin power connector.
• Connect the 4+4 pin CPU +12V Power Connector to the CPU power socket on the motherboard.
• Connect the 4-pin Peripheral Power Connector to peripheral devices if needed.
• Connect the 6+2 pin PCI-E +12V Power Connector to the PCI-E graphics card.
• Connect the SATA Power Connector to devices with a Serial ATA interface.
• Connect your TUF GAMING power supply unit to a power source using the bundled power cord.
• Flip the Power Switch to the "I" position to turn on your power supply unit.

Safety information

• High voltages are present in the power supply unit, it is extremely dangerous to open the power supply case or attempt to repair/clean the power supply unit. You should NEVER, under any circumstances, open the power supply unit.
• The Warranty will become void if the cover of the power supply unit is opened; there are no serviceable components inside the power supply unit. • DO NOT insert any objects into the power supply unit.
• DO NOT place any objects in front of the fan or the ventilation area of the power supply unit that may obstruct or restrict the airflow.
• USE ONLY the modular cables bundled with the power supply unit.
• DO NOT use the power supply unit near water, or in high temperature or high humidity environments.
• The power supply unit should be operated in suitable environment. (Operating temperature: 0°C to 40°C , Relative Humidity: 5% to 95% )
• The power supply unit is for integration into a computer, and not intended for external or outdoor usage.
• Failure to comply with any manufacturer instructions and any of the safety instructions will immediately void all warranties and guarantees.

Notice labels

提示符號

1

Power socket Power switch

2

Safety precautions

Symbols used

Power socket Power switch

Installing your TUF GAMING power supply

Conventions used in this manual

Power connector Power switch

Installing the power supply unit

Safety precautions

1

1

1

Conventions used in this guide

To ensure correct execution of certain procedures, pay attention to the following symbols in the manual.

Power socket Power button

Installing your TUF GAMING Power Supply Unit

Notation conventions used in this manual

Power connector Power switch

Power connector Power switch

Installing your TUF GAMING power supply

Before installing or removing cables, make sure that the system is turned off and that all power cables and all connected devices are unplugged.

1. Follow the case instructions and secure your TUF GAMING power supply into the case using screws.
2. Connect the attached cables for the TUF GAMING power supply.
3. Connect the power connectors for the motherboard and peripheral devices according to your preferences. You can refer to the list below to see which devices each power connector can be connected to.

• Power connectors may vary depending on the model of the TUF GAMING power supply.
• Refer to the motherboard manual for more information and for connecting the connectors listed below.
• Connect the 24-pin or 20-pin connector, i.e., the main power connector, to the 24-pin or 20-pin motherboard connector.
• Connect the 4+4 pin CPU +12V connector to the processor power socket on the motherboard.
• Connect the 4-pin connector, i.e., the peripheral connector, to peripheral devices, if necessary.
• Connect the 6+2 pin PCI-E +12V power connector to the PCI-E graphics card.

Safety information

1

Power connector Power switch

2

Install your TUF GAMING power supply

Safety information

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1

1