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Asus Prime B660M-A D4 Micro ATX Motherboard with Intel 1700 Socket
Motherboards

Asus Prime B660M-A D4 Micro ATX Motherboard with Intel 1700 Socket

Key features:

  • 4 DDR4 Ram slots up to 5333(O.C.)
  • For Intel Alder/Raptor processors
  • Supports PCI Express 4.0 x16
  • DisplayPort, HDMI connections
  • Slots for 4x Sata III and 2 M.2
  • 2 USB 3.2 ports, 4 USB 2.0 ports
See full description

  • Socket

    The processor socket type.

    The processor we choose should have the same socket in order to fit into the motherboard.

    In addition to the socket, the motherboard chipset must also be supported by the processor.

  • Size

    The size of the motherboard is expressed with a code name (standard).
    2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

    Micro ATX

    Smaller than ATX, with fewer slots but sufficient for everyday use.

  • Usage

    Desktop

    Motherboards designed for use in desktop computers.

  • Chipset

    The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

    The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

    If the motherboard chipset is supported by the processor, then the socket will also be compatible.

     
  • See all
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Product report

Description

Description

The Asus Prime B660M-A D4 motherboard is primarily designed for users who need a small-sized motherboard with support for 12th and 13th generation Intel Core processors (Alder and Raptor Lake) and DDR4 memory with frequencies up to 5333MHz (OC). It also features built-in audio and Gigabit Ethernet, as well as multiple USB and M.2 slots for storage expansion.

It is suitable for use in professional offices and homes, as well as small businesses and stores.

  • Intel LGA 1700 Socket: Intel Generation: Ready for 13th & 12th Generation Intel processors
  • Ultra-fast connectivity: PCIe 4.0, Intel 1 Gb Ethernet, rear USB 3.2 Gen 2 Type-A, and front USB 3.2 Gen 1 Type-A and Type-C
  • ASUS OptiMem II: Careful routing of traces and vias, as well as optimizations of the grounding layer to maintain signal integrity for improved memory overclocking
  • Comprehensive cooling: VRM heatsink, M.2 heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+

Flexible Air and Liquid Cooling Controls

The ASUS Fan Xpert 2+ software provides comprehensive control of fans, water pumps, and all-in-one (AiO) coolers. Whether you are cooling with air or water, an automatic tuning function intelligently adjusts all parameters with just one click. There is also an Extreme Quiet mode that reduces all fan speeds below the default minimum threshold, keeping your system silent during light tasks. Fans, water pumps, and AiO coolers can also be controlled through the UEFI BIOS.

M.2 Cooler

The M.2 heatsink prevents the weakening that can occur with M.2 storage during continuous transfers. The heatsink is held in place with angled screws.

VRM Cooling

The VRM heatsink and thermal pad improve heat transfer from the MOSFETs and chokes for better cooling performance.

The Prime B660 series features integrated cooling controls that can be configured through the Fan Xpert 2+ software or through the UEFI BIOS.

  • Multiple temperature sources
  • Intelligent protection of connections from overheating and overvoltage
  • Each onboard connector supports automatic detection of PWM or DC fans


ProCool Connector

The link enhances the connection of the motherboard to the power supply with an 8-pin connector that directly supplies 12-volt power to the processors. Each socket has solid pins that can handle more current than connectors with hollow pins.

DDR4 5333(OC)

Improvements in trace routing design provide the latest Intel processors with enhanced memory bandwidth access. ASUS OptiMem II technology carefully maps memory signal paths across different layers of the PCB to reduce trace length and adds shielding zones that significantly reduce interference.

ASUS OptiMem II

Reviews on the routing of the motherboard provide the latest Intel processors with unrestricted access to memory bandwidth. ASUS OptiMem II technology carefully maps the memory signal paths across different layers of the PCB to reduce vias and adds shielding zones that significantly reduce crosstalk.

  • Improved memory stability and compatibility
  • Allows for lower memory latencies at equivalent voltages
  • Improved memory frequency margin

Two M.2 slots (up to 64 Gbps)

The Prime B660M-A D4 offers a total of two M.2 slots that support data transfer speeds of up to 64 Gbps via PCIe 4.0, allowing for faster boot and application load times with operating system or application drives.

PCIe 4.0 Slot

The Prime B660 motherboards are specifically designed for Intel Core 13th and 12th generation CPUs and offer PCIe 4.0 connectivity for the latest GPUs. The large bandwidth and extremely fast transmission speeds allow you to create feature-rich builds that can effortlessly handle high loads.

Aura Sync

A well-tuned system of excitement deserves a corresponding aesthetic. ASUS Aura offers full control of RGB lighting with a variety of functional options for integrated RGB LEDs, as well as for strips and devices connected to the integrated RGB headers, and all of these can be synchronized with an ever-expanding hardware portfolio with Aura capability.

Q-LED Core

The Q-LED Core display generates bright patterns per LED power supply during Power-On Self-Test (POST), which can help users troubleshoot potential issues.

SafeSlot Core+

The SafeSlot Core+ is ASUS's exclusive PCIe slot, reinforced with a one-piece stainless steel brace that fortifies the slot to protect it from damage.

The metal cover is securely fastened to the slot with hooks, and the entire assembly is firmly anchored to the PCB with reinforced solder points to provide a secure base for heavy graphics cards.

Ports

  • 2 x USB 3.2 Gen 2 ports (2 x Type-A )
  • 4 x USB 2.0 ports (4 x Type-A)
  • 1 x DisplayPort
  • 2 x HDMI ports
  • 1 x Intel 1Gb Ethernet port
  • 3 x Audio jacks
  • 1 x PS/2 Keyboard/Mouse combo port

Internal Connections

  • Fan 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
  • Power related
  • 1 x 24-pin Main Power connector
  • 1 x 8-pin +12V Power connector
  • Storage
  • 2 x M.2 slots (Key M)
  • 4 x SATA 6Gb/s ports
  • USB
  • 2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports
  • 1 x USB 3.2 Gen 1 connector (supports USB Type-C®)
  • 2 x USB 2.0 headers support additional 4 USB 2.0 ports
  • 1 x USB 2.0 header supports 1 USB 2.0 port
  • Miscellaneous
  • 3 x AURA Addressable Gen 2 headers
  • 1 x AURA RGB header
  • 1 x Clear CMOS header
  • 1 x COM Port header
  • 1 x Front Panel Audio header (AAFP)
  • 1 x LPT header
  • 1 x S/PDIF Out header
  • 1 x SPI TPM header (14-1pin)
  • 1 x 20-3 pin System Panel header with Chassis intrude function

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Details

Size
Micro ATX

Size

The size of the motherboard is expressed with a code name (standard).
2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

Micro ATX
Smaller than ATX, with fewer slots but sufficient for everyday use.
Type
Desktop

Type

Desktop

Motherboards designed for use in desktop computers.

Processor

Supported Processors
Intel
Models
Celeron Dual Core, Core i3, Core i5, Core i7, Core i9, Pentium Dual Core
Supported CPU Generation
Alder Lake
Socket
1700

Socket

The processor socket type.

The processor we choose should have the same socket in order to fit into the motherboard.

In addition to the socket, the motherboard chipset must also be supported by the processor.

Chipset

Model
Intel B660

Model

The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

If the motherboard chipset is supported by the processor, then the socket will also be compatible.

 

Memory

Memory type
DDR4

Memory type

The type of RAM memory that is compatible with the motherboard.

DDR4

The most common type of memory, with timings starting from 2133Hz.
Quantity
4 DIMM Slots
Memory Speeds
2133, 2400, 2666, 2800, 2933, 3000, 3200, 3333OC, 3400OC, 3466OC, 3600OC, 3733OC, 4000, 4266OC, 4400OC, 4600OC, 4800, 5000OC, 5333OC

Memory Speeds

The supported RAM memory speeds.

The RAM and processor that will be installed in the computer should be able to reach these speeds, while special settings may be required to reach maximum speeds.
Memory Channels
Dual Channel

Memory Channels

Dual Channel

It is possible to install two identical RAM modules that will work in parallel and provide more speed to applications that require a lot of memory (e.g. video editing). 2. For example, if two identical 8GB RAM modules are installed in a dual channel motherboard, they will perform better than installing one 16GB module.

Internal Connectors

PCI Express x16 3.0
2 Slot

PCI Express x16 3.0

The available slots for PCI Express x16 3.0 expansion cards on the motherboard.

Usually, the graphics card is connected to this slot. The most common version is 3.0, while the latest generation graphics cards use 4.0.
PCI Express x16 4.0
1 Slot

PCI Express x16 4.0

The available PCI Express x16 4.0 expansion card slots of the motherboard.
SATA III 6Gb/s
4 Port

SATA III 6Gb/s

Modern hard drive connection standard.

Most SSD hard drives require this standard to perform at their maximum potential.
M.2 Type
2 PCIe 4.0 Ports

M.2 Type

The number and type of available slots for installing M.2 SSD units.
M.2 Slots
0

External Connectors

Rear USB-A outputs
2 USB 3.2 Ports, 4 USB 2.0 Ports
Ethernet (LAN)
1

Ethernet (LAN)

The number of ethernet ports for wired connection to a network that the motherboard has on its back panel.
Screen Connections
DisplayPort, HDMI

Specifications

RGB Lighting
No
WiFi/Bluetooth
No
Extra
RGB Header

Extra

RGB Header
Special connector for connecting LED strips or connecting other parts with RGB that require separate power supply.

Sound

Sound Card Channels
7.1

Top Specs

Memory
-

Memory

Memory Type and RAM Slots

Indicates the type of RAM memory supported by the motherboard (e.g., DDR4, DDR5) and the number of slots (DIMM slots) for the modules, which determines how much memory can be installed in total.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (1)

Reviews

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • pkout
    5
    1 out of 1 members found this review helpful
    pkout

    After many years with Asrock motherboards, I bought this specific Asus one and so far I am quite satisfied. The motherboard was paired with an i3 12100f, it has 3 PCIe x16 slots when other motherboards in this price range have 2, it has 4 fan headers and 4 RGB headers (2+2), and overall it has a large number of ports. The BIOS environment is quite beautiful with a lot of settings, and the built-in sound card produces very good sound with creative 5.1 speakers.
    In this category of motherboards and price range, I believe it is if not the best, it is in the top three.

    Translated from Greek ·
    • Number of ports
    • Number of BIOS functions
    • Reliability
    • Value for money
    • Easy hardware connection to the motherboard
    • Easy installation in the case
    • Temperature
    Did you find this review helpful?
  • pkout
    5
    pkout

    After many years with Asrock motherboards, I bought this specific Asus one and so far I am quite satisfied. The motherboard was paired with an i3 12100f, it has 3 PCIe x16 slots when other motherboards in this price range have 2, it has 4 fan headers and 4 RGB headers (2+2), and overall it has a large number of ports. The BIOS environment is quite beautiful with a lot of settings, and the built-in sound card produces very good sound with creative 5.1 speakers.
    In this category of motherboards and price range, I believe it is if not the best, it is in the top three.

    Translated from Greek ·
    1
  • See all

Description & Specifications

Product Details

Size
Micro ATX

Size

The size of the motherboard is expressed with a code name (standard).
2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

Micro ATX
Smaller than ATX, with fewer slots but sufficient for everyday use.
Type
Desktop

Type

Desktop

Motherboards designed for use in desktop computers.

Processor

Supported Processors
Intel
Models
Celeron Dual Core, Core i3, Core i5, Core i7, Core i9, Pentium Dual Core
Supported CPU Generation
Alder Lake
Socket
1700

Socket

The processor socket type.

The processor we choose should have the same socket in order to fit into the motherboard.

In addition to the socket, the motherboard chipset must also be supported by the processor.

Chipset

Model
Intel B660

Model

The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

If the motherboard chipset is supported by the processor, then the socket will also be compatible.

 

Memory

Memory type
DDR4

Memory type

The type of RAM memory that is compatible with the motherboard.

DDR4

The most common type of memory, with timings starting from 2133Hz.
Quantity
4 DIMM Slots
Memory Speeds
2133, 2400, 2666, 2800, 2933, 3000, 3200, 3333OC, 3400OC, 3466OC, 3600OC, 3733OC, 4000, 4266OC, 4400OC, 4600OC, 4800, 5000OC, 5333OC

Memory Speeds

The supported RAM memory speeds.

The RAM and processor that will be installed in the computer should be able to reach these speeds, while special settings may be required to reach maximum speeds.
Memory Channels
Dual Channel

Memory Channels

Dual Channel

It is possible to install two identical RAM modules that will work in parallel and provide more speed to applications that require a lot of memory (e.g. video editing). 2. For example, if two identical 8GB RAM modules are installed in a dual channel motherboard, they will perform better than installing one 16GB module.

Internal Connectors

PCI Express x16 3.0
2 Slot

PCI Express x16 3.0

The available slots for PCI Express x16 3.0 expansion cards on the motherboard.

Usually, the graphics card is connected to this slot. The most common version is 3.0, while the latest generation graphics cards use 4.0.
PCI Express x16 4.0
1 Slot

PCI Express x16 4.0

The available PCI Express x16 4.0 expansion card slots of the motherboard.
SATA III 6Gb/s
4 Port

SATA III 6Gb/s

Modern hard drive connection standard.

Most SSD hard drives require this standard to perform at their maximum potential.
M.2 Type
2 PCIe 4.0 Ports

M.2 Type

The number and type of available slots for installing M.2 SSD units.
M.2 Slots
0

External Connectors

Rear USB-A outputs
2 USB 3.2 Ports, 4 USB 2.0 Ports
Ethernet (LAN)
1

Ethernet (LAN)

The number of ethernet ports for wired connection to a network that the motherboard has on its back panel.
Screen Connections
DisplayPort, HDMI

Specifications

RGB Lighting
No
WiFi/Bluetooth
No
Extra
RGB Header

Extra

RGB Header
Special connector for connecting LED strips or connecting other parts with RGB that require separate power supply.

Sound

Sound Card Channels
7.1

Top Specs

Memory
-

Memory

Memory Type and RAM Slots

Indicates the type of RAM memory supported by the motherboard (e.g., DDR4, DDR5) and the number of slots (DIMM slots) for the modules, which determines how much memory can be installed in total.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Description

The Asus Prime B660M-A D4 motherboard is primarily designed for users who need a small-sized motherboard with support for 12th and 13th generation Intel Core processors (Alder and Raptor Lake) and DDR4 memory with frequencies up to 5333MHz (OC). It also features built-in audio and Gigabit Ethernet, as well as multiple USB and M.2 slots for storage expansion.

It is suitable for use in professional offices and homes, as well as small businesses and stores.

  • Intel LGA 1700 Socket: Intel Generation: Ready for 13th & 12th Generation Intel processors
  • Ultra-fast connectivity: PCIe 4.0, Intel 1 Gb Ethernet, rear USB 3.2 Gen 2 Type-A, and front USB 3.2 Gen 1 Type-A and Type-C
  • ASUS OptiMem II: Careful routing of traces and vias, as well as optimizations of the grounding layer to maintain signal integrity for improved memory overclocking
  • Comprehensive cooling: VRM heatsink, M.2 heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+

Flexible Air and Liquid Cooling Controls

The ASUS Fan Xpert 2+ software provides comprehensive control of fans, water pumps, and all-in-one (AiO) coolers. Whether you are cooling with air or water, an automatic tuning function intelligently adjusts all parameters with just one click. There is also an Extreme Quiet mode that reduces all fan speeds below the default minimum threshold, keeping your system silent during light tasks. Fans, water pumps, and AiO coolers can also be controlled through the UEFI BIOS.

M.2 Cooler

The M.2 heatsink prevents the weakening that can occur with M.2 storage during continuous transfers. The heatsink is held in place with angled screws.

VRM Cooling

The VRM heatsink and thermal pad improve heat transfer from the MOSFETs and chokes for better cooling performance.

The Prime B660 series features integrated cooling controls that can be configured through the Fan Xpert 2+ software or through the UEFI BIOS.

  • Multiple temperature sources
  • Intelligent protection of connections from overheating and overvoltage
  • Each onboard connector supports automatic detection of PWM or DC fans


ProCool Connector

The link enhances the connection of the motherboard to the power supply with an 8-pin connector that directly supplies 12-volt power to the processors. Each socket has solid pins that can handle more current than connectors with hollow pins.

DDR4 5333(OC)

Improvements in trace routing design provide the latest Intel processors with enhanced memory bandwidth access. ASUS OptiMem II technology carefully maps memory signal paths across different layers of the PCB to reduce trace length and adds shielding zones that significantly reduce interference.

ASUS OptiMem II

Reviews on the routing of the motherboard provide the latest Intel processors with unrestricted access to memory bandwidth. ASUS OptiMem II technology carefully maps the memory signal paths across different layers of the PCB to reduce vias and adds shielding zones that significantly reduce crosstalk.

  • Improved memory stability and compatibility
  • Allows for lower memory latencies at equivalent voltages
  • Improved memory frequency margin

Two M.2 slots (up to 64 Gbps)

The Prime B660M-A D4 offers a total of two M.2 slots that support data transfer speeds of up to 64 Gbps via PCIe 4.0, allowing for faster boot and application load times with operating system or application drives.

PCIe 4.0 Slot

The Prime B660 motherboards are specifically designed for Intel Core 13th and 12th generation CPUs and offer PCIe 4.0 connectivity for the latest GPUs. The large bandwidth and extremely fast transmission speeds allow you to create feature-rich builds that can effortlessly handle high loads.

Aura Sync

A well-tuned system of excitement deserves a corresponding aesthetic. ASUS Aura offers full control of RGB lighting with a variety of functional options for integrated RGB LEDs, as well as for strips and devices connected to the integrated RGB headers, and all of these can be synchronized with an ever-expanding hardware portfolio with Aura capability.

Q-LED Core

The Q-LED Core display generates bright patterns per LED power supply during Power-On Self-Test (POST), which can help users troubleshoot potential issues.

SafeSlot Core+

The SafeSlot Core+ is ASUS's exclusive PCIe slot, reinforced with a one-piece stainless steel brace that fortifies the slot to protect it from damage.

The metal cover is securely fastened to the slot with hooks, and the entire assembly is firmly anchored to the PCB with reinforced solder points to provide a secure base for heavy graphics cards.

Ports

  • 2 x USB 3.2 Gen 2 ports (2 x Type-A )
  • 4 x USB 2.0 ports (4 x Type-A)
  • 1 x DisplayPort
  • 2 x HDMI ports
  • 1 x Intel 1Gb Ethernet port
  • 3 x Audio jacks
  • 1 x PS/2 Keyboard/Mouse combo port

Internal Connections

  • Fan 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
  • Power related
  • 1 x 24-pin Main Power connector
  • 1 x 8-pin +12V Power connector
  • Storage
  • 2 x M.2 slots (Key M)
  • 4 x SATA 6Gb/s ports
  • USB
  • 2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports
  • 1 x USB 3.2 Gen 1 connector (supports USB Type-C®)
  • 2 x USB 2.0 headers support additional 4 USB 2.0 ports
  • 1 x USB 2.0 header supports 1 USB 2.0 port
  • Miscellaneous
  • 3 x AURA Addressable Gen 2 headers
  • 1 x AURA RGB header
  • 1 x Clear CMOS header
  • 1 x COM Port header
  • 1 x Front Panel Audio header (AAFP)
  • 1 x LPT header
  • 1 x S/PDIF Out header
  • 1 x SPI TPM header (14-1pin)
  • 1 x 20-3 pin System Panel header with Chassis intrude function

Manufacturer

Manufacturer Details

Warnings & Safety Information

Reviews (1)

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • pkout
    5
    1 out of 1 members found this review helpful
    pkout

    After many years with Asrock motherboards, I bought this specific Asus one and so far I am quite satisfied. The motherboard was paired with an i3 12100f, it has 3 PCIe x16 slots when other motherboards in this price range have 2, it has 4 fan headers and 4 RGB headers (2+2), and overall it has a large number of ports. The BIOS environment is quite beautiful with a lot of settings, and the built-in sound card produces very good sound with creative 5.1 speakers.
    In this category of motherboards and price range, I believe it is if not the best, it is in the top three.

    Translated from Greek ·
    • Number of ports
    • Number of BIOS functions
    • Reliability
    • Value for money
    • Easy hardware connection to the motherboard
    • Easy installation in the case
    • Temperature
    Did you find this review helpful?
  • pkout
    5
    pkout

    After many years with Asrock motherboards, I bought this specific Asus one and so far I am quite satisfied. The motherboard was paired with an i3 12100f, it has 3 PCIe x16 slots when other motherboards in this price range have 2, it has 4 fan headers and 4 RGB headers (2+2), and overall it has a large number of ports. The BIOS environment is quite beautiful with a lot of settings, and the built-in sound card produces very good sound with creative 5.1 speakers.
    In this category of motherboards and price range, I believe it is if not the best, it is in the top three.

    Translated from Greek ·
    1
  • See all