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ASUS Pro B660M-C-CSM vs ASUS Pro B660M-C D4-CSM

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YOUR FIRST CHOICE

ASUS Pro B660M-C-CSM

UK manufacturer specification · Pro B660M-C-CSM

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Exact model & source notes

Pro B660M-C-CSM motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

Specifications checked 17 Oct 2026.

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Manufacturer specifications

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THE CONTENDER

ASUS Pro B660M-C D4-CSM

UK manufacturer specification · Pro B660M-C D4-CSM

Full product profile Official image

Exact model & source notes

Pro B660M-C D4-CSM motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

Specifications checked 17 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

B660M-C-CSM UK & US retailers

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B660M-C D4-CSM UK & US retailers

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THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE7 topics

SELECTED TOPIC

01 / 07

Form factor and dimensions

Check the exact configuration and source conditions for your use.

ASUS Pro B660M-C-CSMmATX Form Factor 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)

Manufacturer specification

Source 1

ASUS Pro B660M-C D4-CSMmicroATX 24.4cm x 24.4cm

Manufacturer specification

Source 1

Explore the full specifications

Plan the complete platform. Check the exact CPU-support list, required BIOS and memory validation before buying. PCIe generations and lane allocations can change with the processor. A socket match or slot count is not a guarantee that every component works together at its highest advertised setting.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

7 verified differences, most decision-relevant first. All are also drawn in Visual facts above. Missing information stays separate.

Form factor and dimensions

In Visual facts

ASUS Pro B660M-C-CSMmATX Form Factor 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)

ASUS Pro B660M-C D4-CSMmicroATX 24.4cm x 24.4cm

Sources

ASUS Pro B660M-C-CSM

Manufacturer specification

ASUS Pro B660M-C-CSM — official UK technical specifications

ASUS Pro B660M-C D4-CSM

Manufacturer specification

ASUS Pro B660M-C D4-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Memory type, slots and limit

In Visual facts

ASUS Pro B660M-C-CSM4 x DIMM, Max. 128GB, DDR5 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(OC)/ 5400(OC)/ 5200(OC)/ 5000(OC)/ 4800 Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) Optimem II * Supported memory types, data rate(Speed), and number of DRAM module vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list.

ASUS Pro B660M-C D4-CSM4 x DIMM, Max. 128GB, DDR4 4600(OC)/4400(OC)/4266(OC)/4000(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) Optimem *Actual Memory data rate support depends on the CPU types and DRAM modules, for more information refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Sources

ASUS Pro B660M-C-CSM

Manufacturer specification

ASUS Pro B660M-C-CSM — official UK technical specifications

ASUS Pro B660M-C D4-CSM

Manufacturer specification

ASUS Pro B660M-C D4-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Storage interfaces and restrictions

In Visual facts

ASUS Pro B660M-C-CSMTotal supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* Intel® 12th Gen Processors M.2_1 slot (Key M), type 2242/2260/2280 - Intel® 12th Gen processors support PCIe 4.0 x4 mode Intel® B660 Chipset** M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 4 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. ** Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on PCH attached M.2 slots.

ASUS Pro B660M-C D4-CSMSupports 2 x M.2 slots and 4 x SATA 6Gb/s ports Intel® Core™ Processors (14th & 13th & 12th Gen) M.2_1 slot (Key M), type 2242/2260/2280 - Intel® 12th Gen processors support PCIe 4.0 x4 mode Intel® B660 Chipset** M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4) 4 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. ** Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on PCH attached M.2 slots.

Sources

ASUS Pro B660M-C-CSM

Manufacturer specification

ASUS Pro B660M-C-CSM — official UK technical specifications

ASUS Pro B660M-C D4-CSM

Manufacturer specification

ASUS Pro B660M-C D4-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Expansion slots and restrictions

In Visual facts

ASUS Pro B660M-C-CSMIntel® 12th Gen Processors 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset 2 x PCIe 3.0 x1 slots

ASUS Pro B660M-C D4-CSMIntel® Core™ Processors (14th & 13th & 12th Gen)* 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset 2 x PCIe 3.0 x1 slots

Sources

ASUS Pro B660M-C-CSM

Manufacturer specification

ASUS Pro B660M-C-CSM — official UK technical specifications

ASUS Pro B660M-C D4-CSM

Manufacturer specification

ASUS Pro B660M-C D4-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Internal headers and connectors

In Visual facts

ASUS Pro B660M-C-CSMI/O Connectors Fan and cooling related 1 x 4-pin CPU 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 related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (suppports USB Type-C®) 1 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 Miscellaneous 1 x Clear CMOS header 1 x Chassis Intrude header 2 x COM Port headers 1 x Front Panel Audio header (AAFP) 1 x COM debug header 1 x LPT header 1 x Mono-out header(with Amp IC) 1 x M.2 slot (Key E) 1 x SMBUS header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header

ASUS Pro B660M-C D4-CSMFan and cooling related 1 x 4-pin CPU 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 related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (suppports USB Type-C®) 1 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 Miscellaneous 1 x Clear CMOS header 1 x Chassis Intrude header 2 x COM Port headers 1 x Front Panel Audio header (AAFP) 1 x COM debug header 1 x LPT header 1 x Mono-out header(with Amp IC) 1 x M.2 slot (Key E) 1 x SMBUS header 1 x Speaker header 1 x 10-1 pin System Panel header

Sources

ASUS Pro B660M-C-CSM

Manufacturer specification

ASUS Pro B660M-C-CSM — official UK technical specifications

ASUS Pro B660M-C D4-CSM

Manufacturer specification

ASUS Pro B660M-C D4-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Listed operating systems

In Visual facts

ASUS Pro B660M-C-CSMWindows® 11 64-bit, Windows® 10 64-bit

ASUS Pro B660M-C D4-CSMWindows® 11, Windows® 10 64-bit

Sources

ASUS Pro B660M-C-CSM

Manufacturer specification

ASUS Pro B660M-C-CSM — official UK technical specifications

ASUS Pro B660M-C D4-CSM

Manufacturer specification

ASUS Pro B660M-C D4-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Show 1 more verified difference

Rear-panel ports

In Visual facts

ASUS Pro B660M-C-CSM2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 2 x DisplayPorts 1 x HDMI® port 1 x D-Sub port 1 x Intel® 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) port

ASUS Pro B660M-C D4-CSM2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 2 x DisplayPort 1 x HDMI® port 1 x D-Sub port 1 x Intel® 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) port

Sources

ASUS Pro B660M-C-CSM

Manufacturer specification

ASUS Pro B660M-C-CSM — official UK technical specifications

ASUS Pro B660M-C D4-CSM

Manufacturer specification

ASUS Pro B660M-C D4-CSM — official UK technical specifications

Check the exact configuration and source conditions for your use.

Configuration & compatibility details (1)

CPU support and BIOS requirements

ASUS Pro B660M-C-CSMIntel® Socket LGA1700 for 12th Gen Intel® Core™, Pentium® Gold and Celeron® Processors Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0** * Refer to www.asus.com for CPU support list. ** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types. BIOS: 128Mb Flash ROM

ASUS Pro B660M-C D4-CSMIntel® Socket LGA1700 for Intel® Core™ 14th & 13th Gen Processors, Intel® Core™ 12th Gen, Pentium® Gold and Celeron® Processors* Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0** *Refer to www.asus.com for CPU support list. **Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types. BIOS: 128Mb Flash ROM

Sources

ASUS Pro B660M-C-CSM

Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.

ASUS Pro B660M-C-CSM — official UK technical specifications

ASUS Pro B660M-C D4-CSM

Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.

ASUS Pro B660M-C D4-CSM — official UK technical specifications

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

5 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS Pro B660M-C-CSM

What it brings

Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.
Manufacturer source

What to check

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.
Manufacturer source

ASUS Pro B660M-C D4-CSM

What it brings

Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.
Manufacturer source

What to check

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

13 of 13 specifications Sources in each row

Source-backed specifications for ASUS Pro B660M-C-CSM and ASUS Pro B660M-C D4-CSM
Specification	ASUS Pro B660M-C-CSM	ASUS Pro B660M-C D4-CSM

CPU socket Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	LGA1700	LGA1700
Chipset Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	Intel® B660 Chipset	Intel® B660 Chipset
Form factor and dimensionsDifferent Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	mATX Form Factor 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)	microATX 24.4cm x 24.4cm
CPU support and BIOS requirementsDifferent Sources ASUS Pro B660M-C-CSM Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS Pro B660M-C D4-CSM — official UK technical specifications	Intel® Socket LGA1700 for 12th Gen Intel® Core™, Pentium® Gold and Celeron® Processors Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0** * Refer to www.asus.com for CPU support list. ** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types. BIOS: 128Mb Flash ROM	Intel® Socket LGA1700 for Intel® Core™ 14th & 13th Gen Processors, Intel® Core™ 12th Gen, Pentium® Gold and Celeron® Processors* Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0** Refer to www.asus.com for CPU support list. *Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types. BIOS: 128Mb Flash ROM
Listed operating systemsDifferent Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	Windows® 11 64-bit, Windows® 10 64-bit	Windows® 11, Windows® 10 64-bit

Memory type, slots and limitDifferent Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	4 x DIMM, Max. 128GB, DDR5 6200(OC)/ 6000(OC)/ 5800(OC)/ 5600(OC)/ 5400(OC)/ 5200(OC)/ 5000(OC)/ 4800 Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) Optimem II * Supported memory types, data rate(Speed), and number of DRAM module vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list.	4 x DIMM, Max. 128GB, DDR4 4600(OC)/4400(OC)/4266(OC)/4000(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) Optimem *Actual Memory data rate support depends on the CPU types and DRAM modules, for more information refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Storage interfaces and restrictionsDifferent Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* Intel® 12th Gen Processors M.2_1 slot (Key M), type 2242/2260/2280 - Intel® 12th Gen processors support PCIe 4.0 x4 mode Intel® B660 Chipset** M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 4 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. ** Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on PCH attached M.2 slots.	Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports Intel® Core™ Processors (14th & 13th & 12th Gen) M.2_1 slot (Key M), type 2242/2260/2280 - Intel® 12th Gen processors support PCIe 4.0 x4 mode Intel® B660 Chipset** M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4) 4 x SATA 6Gb/s ports * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10. ** Intel® Rapid Storage Technology supports Intel® Optane Memory H Series on PCH attached M.2 slots.

Expansion slots and restrictionsDifferent Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	Intel® 12th Gen Processors 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset 2 x PCIe 3.0 x1 slots	*Intel® Core™ Processors (14th & 13th & 12th Gen) 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset 2 x PCIe 3.0 x1 slots**

USB ports and headers Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	Rear USB (Total 4 ports) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 connector (suppports USB Type-C®) 1 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	Rear USB (Total 4 ports) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 connector (suppports USB Type-C®) 1 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
Rear-panel portsDifferent Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 2 x DisplayPorts 1 x HDMI® port 1 x D-Sub port 1 x Intel® 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) port	2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 2 x DisplayPort 1 x HDMI® port 1 x D-Sub port 1 x Intel® 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) port
Audio interfaces Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback " * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.	Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback " * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Network interfaces and requirements Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	*1 x Intel® 1Gb Ethernet ASUS LANGuard; M.2 slot only (Key E, CNVi & PCIe) Wi-Fi module is sold separately.*	*1 x Intel® 1Gb Ethernet ASUS LANGuard; M.2 slot only (Key E, CNVi & PCIe) Wi-Fi module is sold separately.*

Internal headers and connectorsDifferent Sources ASUS Pro B660M-C-CSM Manufacturer specification ASUS Pro B660M-C-CSM — official UK technical specifications ASUS Pro B660M-C D4-CSM Manufacturer specification ASUS Pro B660M-C D4-CSM — official UK technical specifications	I/O Connectors Fan and cooling related 1 x 4-pin CPU 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 related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (suppports USB Type-C®) 1 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 Miscellaneous 1 x Clear CMOS header 1 x Chassis Intrude header 2 x COM Port headers 1 x Front Panel Audio header (AAFP) 1 x COM debug header 1 x LPT header 1 x Mono-out header(with Amp IC) 1 x M.2 slot (Key E) 1 x SMBUS header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header	Fan and cooling related 1 x 4-pin CPU 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 related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (suppports USB Type-C®) 1 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 Miscellaneous 1 x Clear CMOS header 1 x Chassis Intrude header 2 x COM Port headers 1 x Front Panel Audio header (AAFP) 1 x COM debug header 1 x LPT header 1 x Mono-out header(with Amp IC) 1 x M.2 slot (Key E) 1 x SMBUS header 1 x Speaker header 1 x 10-1 pin System Panel header

First product manufacturer source Second product manufacturer source

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ASUS TUF GAMING B660M-PLUS WIFI

CPU socket: LGA1700
Chipset: Intel® B660 Chipset
Form factor and dimensions: mATX Form Factor 9.6inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Prices & product profile

ASUS PRIME B660M-A D4-CSM

CPU socket: LGA1700
Chipset: Intel® B660 Chipset
Form factor and dimensions: mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Prices & product profile

ASUS PRIME B660M-A D4

CPU socket: LGA1700
Chipset: Intel® B660 Chipset
Form factor and dimensions: mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Prices & product profile

ASUS PRIME B660M-A WIFI D4

CPU socket: LGA1700
Chipset: Intel® B660 Chipset
Form factor and dimensions: mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )

Prices & product profile

Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.