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ASUS PRIME B660M-A D4 vs ASUS PRIME B660M-A WIFI D4

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YOUR FIRST CHOICE

ASUS PRIME B660M-A D4

UK manufacturer specification · PRIME B660M-A D4

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Exact model & source notes

PRIME B660M-A D4 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

WHAT DIFFERS

7 verified differences, led by Memory type, slots and limit, storage interfaces and restrictions and network interfaces and requirements. Compared in full below. Not a rating.

See the 7 verified differences

THE CONTENDER

ASUS PRIME B660M-A WIFI D4

UK manufacturer specification · PRIME B660M-A WIFI D4

Full product profile Official image

Exact model & source notes

PRIME B660M-A WIFI D4 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

PRIME B660M-A D4 UK & US retailers

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PRIME B660M-A WIFI D4 UK & US retailers

UK & US price history: no verified listing yet

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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

Memory type, slots and limit

Check the exact configuration and source conditions for your use.

ASUS PRIME B660M-A D44 x DIMM, Max. 128GB, DDR4 5333(OC)/5066(OC)/5000(OC)/4800(OC)/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 II *Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Manufacturer specification

Source 1

ASUS PRIME B660M-A WIFI D44 x DIMM, Max. 128GB, DDR4 5333(OC)/5000(OC)/4800(OC)/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 II *Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for memory support list.

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.

Memory type, slots and limit

In Visual facts

Sources

ASUS PRIME B660M-A D4

Manufacturer specification

ASUS PRIME B660M-A D4 — official UK technical specifications

ASUS PRIME B660M-A WIFI D4

Manufacturer specification

ASUS PRIME B660M-A WIFI D4 — official UK technical specifications

Check the exact configuration and source conditions for your use.

Storage interfaces and restrictions

In Visual facts

ASUS PRIME B660M-A D4Total supports 2 x M.2 slots and 4x SATA 6Gb/s ports Intel® Core™ Processors (14th & 13th & 12th Gen)* M.2_1 slot (Key M), type 2242/2260/2280 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 PRIME B660M-A WIFI D4Total supports 2 x M.2 slots and 4x SATA 6Gb/s ports* Intel® 13th & 13th & 12th Gen Processors M.2_1 slot (Key M), type 2242/2260/2280 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.

Sources

ASUS PRIME B660M-A D4

Manufacturer specification

ASUS PRIME B660M-A D4 — official UK technical specifications

ASUS PRIME B660M-A WIFI D4

Manufacturer specification

ASUS PRIME B660M-A WIFI D4 — official UK technical specifications

Check the exact configuration and source conditions for your use.

Network interfaces and requirements

In Visual facts

ASUS PRIME B660M-A D41 x Intel® 1Gb Ethernet

ASUS PRIME B660M-A WIFI D41 x Intel® 1Gb Ethernet; Wi-Fi 6 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band Bluetooth v5.2

Sources

ASUS PRIME B660M-A D4

Manufacturer specification

ASUS PRIME B660M-A D4 — official UK technical specifications

ASUS PRIME B660M-A WIFI D4

Manufacturer specification

ASUS PRIME B660M-A WIFI D4 — official UK technical specifications

Check the exact configuration and source conditions for your use.

Expansion slots and restrictions

In Visual facts

ASUS PRIME B660M-A D4Intel® Core™ Processors (14th & 13th & 12th Gen)* 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset * 1 x PCIe 3.0 x16 slot (supports x4 mode) 1 x PCIe 3.0 x16 slot (supports x1 mode) *Supports Intel® Optane Memory H Series on PCH-attached PCIe slot

ASUS PRIME B660M-A WIFI D4Intel® 14th & 13th & 12th Gen Processors 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset * 1 x PCIe 3.0 x16 slot (supports x4 mode) 1 x PCIe 3.0 x16 slot (supports x1 mode) *Supports Intel® Optane Memory H Series on PCH-attached PCIe slot

Sources

ASUS PRIME B660M-A D4

Manufacturer specification

ASUS PRIME B660M-A D4 — official UK technical specifications

ASUS PRIME B660M-A WIFI D4

Manufacturer specification

ASUS PRIME B660M-A WIFI D4 — official UK technical specifications

Check the exact configuration and source conditions for your use.

Internal headers and connectors

In Visual facts

ASUS PRIME B660M-A D4Fan 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 related 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

ASUS PRIME B660M-A WIFI D4Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 2 x 4-pin Chassis Fan header 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 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 support 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

Sources

ASUS PRIME B660M-A D4

Manufacturer specification

ASUS PRIME B660M-A D4 — official UK technical specifications

ASUS PRIME B660M-A WIFI D4

Manufacturer specification

ASUS PRIME B660M-A WIFI D4 — official UK technical specifications

Check the exact configuration and source conditions for your use.

Rear-panel ports

In Visual facts

ASUS PRIME B660M-A D42 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

ASUS PRIME B660M-A WIFI D42 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 Wi-Fi Module 1 x Intel® 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port

Sources

ASUS PRIME B660M-A D4

Manufacturer specification

ASUS PRIME B660M-A D4 — official UK technical specifications

ASUS PRIME B660M-A WIFI D4

Manufacturer specification

ASUS PRIME B660M-A WIFI D4 — official UK technical specifications

Check the exact configuration and source conditions for your use.

Show 1 more verified difference

USB ports and headers

In Visual facts

ASUS PRIME B660M-A D4Rear USB (Total 6 ports) 2 x USB 3.2 Gen 2 ports (2 x Type-A ) 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 10 ports) 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

ASUS PRIME B660M-A WIFI D4Rear USB (Total 6 ports) 2 x USB 3.2 Gen 2 ports (2 x Type-A ) 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 10 ports) 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 headers support additional 1 USB 2.0 port

Sources

ASUS PRIME B660M-A D4

Manufacturer specification

ASUS PRIME B660M-A D4 — official UK technical specifications

ASUS PRIME B660M-A WIFI D4

Manufacturer specification

ASUS PRIME B660M-A WIFI D4 — official UK technical specifications

Check the exact configuration and source conditions for your use.

6 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS PRIME B660M-A D4

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 PRIME B660M-A WIFI D4

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 PRIME B660M-A D4 and ASUS PRIME B660M-A WIFI D4
Specification	ASUS PRIME B660M-A D4	ASUS PRIME B660M-A WIFI D4

CPU socket Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	LGA1700	LGA1700
Chipset Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	Intel® B660 Chipset	Intel® B660 Chipset
Form factor and dimensions Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )	mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )
CPU support and BIOS requirements Sources ASUS PRIME B660M-A D4 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 PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 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 PRIME B660M-A WIFI D4 — official UK technical specifications	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: 128 Mb Flash ROM, UEFI AMI BIOS	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: 128 Mb Flash ROM, UEFI AMI BIOS
Listed operating systems Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	Windows® 11 64-bit, Windows® 10 64-bit	Windows® 11 64-bit, Windows® 10 64-bit

Memory type, slots and limitDifferent Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	4 x DIMM, Max. 128GB, DDR4 5333(OC)/5066(OC)/5000(OC)/4800(OC)/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 II *Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).	4 x DIMM, Max. 128GB, DDR4 5333(OC)/5000(OC)/4800(OC)/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 II *Actual memory data rate depends on the CPU types and DRAM modules, for more information refer to www.asus.com for memory support list.

Storage interfaces and restrictionsDifferent Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	Total supports 2 x M.2 slots and 4x SATA 6Gb/s ports Intel® Core™ Processors (14th & 13th & 12th Gen)* M.2_1 slot (Key M), type 2242/2260/2280 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.	Total supports 2 x M.2 slots and 4x SATA 6Gb/s ports* Intel® 13th & 13th & 12th Gen Processors M.2_1 slot (Key M), type 2242/2260/2280 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.

Expansion slots and restrictionsDifferent Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	Intel® Core™ Processors (14th & 13th & 12th Gen)* 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset * 1 x PCIe 3.0 x16 slot (supports x4 mode) 1 x PCIe 3.0 x16 slot (supports x1 mode) *Supports Intel® Optane Memory H Series on PCH-attached PCIe slot	Intel® 14th & 13th & 12th Gen Processors 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset * 1 x PCIe 3.0 x16 slot (supports x4 mode) 1 x PCIe 3.0 x16 slot (supports x1 mode) *Supports Intel® Optane Memory H Series on PCH-attached PCIe slot

USB ports and headersDifferent Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	Rear USB (Total 6 ports) 2 x USB 3.2 Gen 2 ports (2 x Type-A ) 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 10 ports) 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	Rear USB (Total 6 ports) 2 x USB 3.2 Gen 2 ports (2 x Type-A ) 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 10 ports) 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 headers support additional 1 USB 2.0 port
Rear-panel portsDifferent Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	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	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 Wi-Fi Module 1 x Intel® 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port
Audio interfaces Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback " Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers ** 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, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback" Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers ** A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Network interfaces and requirementsDifferent Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	1 x Intel® 1Gb Ethernet	1 x Intel® 1Gb Ethernet; Wi-Fi 6 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band Bluetooth v5.2

Internal headers and connectorsDifferent Sources ASUS PRIME B660M-A D4 Manufacturer specification ASUS PRIME B660M-A D4 — official UK technical specifications ASUS PRIME B660M-A WIFI D4 Manufacturer specification ASUS PRIME B660M-A WIFI D4 — official UK technical specifications	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 related 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	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 header 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 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 support 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

First product manufacturer source Second product manufacturer source

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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 Pro B660M-C-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 TUF GAMING B660M-E 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 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

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.