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Asus PRIME B660-PLUS D4 User Manual

Asus PRIME B660-PLUS D4
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Motherboard
PRIME B660-PLUS D4
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Asus PRIME B660-PLUS D4 Specifications

General IconGeneral
Processor socketLGA 1700
Processor manufacturerIntel
Compatible processor seriesIntel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Pentium Gold
Supported processor socketsLGA 1700, Socket AM4
Component forPC
Motherboard chipsetIntel B660
Audio output channels7.1 channels
Motherboard form factorATX
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Memory channelsDual-channel
Memory slots typeDIMM
Unbuffered memoryYes
Number of memory slots4
Supported memory typesDDR4-SDRAM
Maximum internal memory128 GB
Supported memory clock speeds2133, 2400, 2666, 2800, 2933, 3000, 3333, 3400, 3466, 3600, 3733, 3866, 4000, 4266, 4400, 4600, 4800, 5000, 5066 MHz
RAID levels0, 1, 5, 10
Supported storage drive typesHDD & SSD
Number of storage drives supported7
Supported storage drive interfacesM.2, PCI Express 4.0, SATA III
Number of M.2 (M) slots3
PCI Express x1 (Gen 3.x) slots2
PCI Express x16 (Gen 3.x) slots1
USB 3.2 Gen 2 (3.1 Gen 2) connectors0
BIOS typeUEFI AMI
BIOS memory size128 Mbit
USB connector typeUSB Type-A, USB Type-C
DisplayPort version1.4
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Wi-FiNo
Ethernet interface type2.5 Gigabit Ethernet
Parallel processing technology support-
Cables includedSATA
Weight and Dimensions IconWeight and Dimensions
Depth244 mm
Width305 mm

Summary

Safety Information

Electrical Safety

Precautions to prevent electrical shock during system operation.

Operation Safety

Guidelines for safe handling and operation of the motherboard.

About This Guide

Guide Organization and Resources

Explains guide structure, additional info sources, and manual conventions.

Package Contents

Motherboard Components List

Lists all items included in the motherboard package.

PRIME B660-PLUS D4 Specifications Summary

CPU, Chipset, and Memory Specifications

Details CPU, Chipset, and Memory configurations.

Graphics and Expansion Slots Specifications

Covers Graphics ports and Expansion Slots.

Storage and Connectivity Specifications

Storage, Ethernet, Wireless, USB, and Audio Specs

Details Storage, Ethernet, Wireless, USB, and Audio features.

Back Panel I/O Ports

Rear Panel Connector Details

Lists and describes all connectors on the motherboard's rear panel.

Internal I/O Connectors and Special Features

Internal Headers and ASUS Special Features

Covers internal headers, ASUS protection, Q-Design, and thermal solutions.

Software, BIOS, and System Configuration

Software Features, BIOS, Manageability, OS, and Form Factor

Details software, BIOS, manageability, OS, and form factor.

Chapter 1: Product Introduction

1.1 Before You Proceed

Precautions before installing components or changing settings.

1.2 Motherboard Overview

Introduces the layout and components of the motherboard.

Motherboard Layout Details

CPU Socket, DIMM Slots, and Expansion Slots

Covers CPU socket, DIMM slots, and expansion slots.

Fan Headers, Power Connectors, and M.2 Slots

Details fan headers, power connectors, and M.2 slots.

Connectivity Ports and Headers

SATA Ports, USB Connectors, and Addressable RGB Headers

Details SATA ports, USB connectors/headers, and addressable RGB headers.

Internal Headers and CMOS/COM Ports

RGB, CMOS, and COM Port Headers

Explains RGB, Clear CMOS, and COM Port functionality.

Front Panel and System Panel Connections

Front Audio, M.2 Wi-Fi, S/PDIF, and System Panel Headers

Covers front audio, M.2 Wi-Fi slot, S/PDIF, and system panel connectors.

Advanced Headers and Diagnostics

Chassis Intrusion, Thunderbolt, TPM, and Q-LEDs

Details chassis intrusion, Thunderbolt, TPM headers, and diagnostic LEDs.

Rear Panel Connectors

Video, USB, and Ethernet Ports

Describes VGA, USB 2.0, and 2.5G Ethernet ports.

Audio and Digital Interface Ports

Covers Line In, Line Out, HDMI, and DisplayPort connectors.

High-Speed USB Ports

Details USB 3.2 Gen 1 and Gen 2x2 Type-C ports.

Rear Panel USB and Audio Ports

USB 3.2 Gen 2 Ports and Microphone Port

Describes USB 3.2 Gen 2 Type-A ports and the microphone input.

1.3 Central Processing Unit (CPU)

Installing the CPU

Step-by-step guide for installing the CPU.

1.4 System Memory

Recommended Memory Configurations

Illustrates optimal DIMM installation for dual-channel mode.

1.5 M.2 Installation

M.2 Installation Diagrams

Visual guide for installing M.2 storage devices.

Chapter 2: BIOS and RAID Support

2.1 Knowing BIOS

Introduces the ASUS UEFI BIOS and its features.

2.2 BIOS Setup Program

Guide to navigating and using the BIOS setup utility.

2.3 ASUS EZ Flash 3

Feature for updating BIOS without an OS.

2.4 ASUS CrashFree BIOS 3

Utility for restoring corrupted BIOS files.

Appendix

Regulatory Notices and Compliance

Covers FCC, HDMI, ISED, VCCI, JATE, KC information.

Environmental Compliance

Details EU REACH, RoHS, India, Vietnam, Turkey RoHS compliance.

ASUS Recycling/Takeback Services

Information on responsible product recycling and disposal.

Warranty Information

Details ASUS manufacturer's commercial guarantee.

ASUS Contact and Support Information

Provides contact details and support website link.

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