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ASUS ROG STRIX B660-A GAMING WIFI D4

UK manufacturer specification

CPU socket
LGA1700
Chipset
Intel® B660 Chipset
Form factor and dimensions
ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

ROG STRIX B660-A GAMING WIFI D4 motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

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THE ACTUAL PRODUCT
ASUS ROG STRIX B660-A GAMING WIFI D4 official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with ASUS PRIME B760-PLUS D4

Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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Key strengths

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

The checks that matter.

Before you buy

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

Build around it.

Works with

Products in this catalogue that list the same socket or memory type as the ASUS ROG STRIX B660-A GAMING WIFI D4. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.

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Every specification. With its source.

Full specifications

Exact configuration: UK manufacturer specification · ROG STRIX B660-A GAMING WIFI D4

13 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Platform & board

3 items
CPU socket
LGA1700Source
Chipset
Intel® B660 ChipsetSource
Form factor and dimensions
ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )Source

Memory

1 item
Memory type, slots and limit
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 OptiMem II *Actual Memory frequency support depends on the CPU types and DRAM modules, for more information refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).Source

Expansion slots

1 item
Expansion slots and restrictions
Intel® Core™ Processors (14th & 13th & 12th Gen) 1 x PCIe 5.0/4.0/3.0 x16 slot(s)* Intel® B660 Chipset** 1 x PCIe 3.0 x16 slot (supports x4 mode)* 2 x PCIe 3.0 x1 slots * Please check PCIe bifurcation table in User Guide Chapter 1 // support site. ** Supports Intel® Optane Memory H Series on PCH-attached PCIe slotSource

Storage

1 item
Storage interfaces and restrictions
Total supports 3 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 2242/2260/2280/22110 - Intel® 13th & 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 x2 mode) M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) 4 x SATA 6Gb/s ports*** * Intel® Rapid Storage Technology supports SATA RAID 0/1/5/10.Source

USB & rear connections

2 items
USB ports and headers
Rear USB (Total 9 ports) 1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C®) 1 x USB 3.2 Gen 2 port(s) (1 x Type-A) 3 x USB 3.2 Gen 1 port(s) (2 x Type-A + 1 x USB Type-C®) 4 x USB 2.0 port(s) (4 x Type-A) Front USB (Total 6 ports) 1 x USB 3.2 Gen 2 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header(s) support(s) additional 2 USB 3.2 Gen 1 ports 1 x USB 2.0 10-1 pin header + 1 USB 2.0 4 pin hearer support additional 3 USB 2.0 portsSource
Rear-panel ports
1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C®) 1 x USB 3.2 Gen 2 port(s) (1 x Type-A) 3 x USB 3.2 Gen 1 port(s) (2 x Type-A + 1 x USB Type-C®) 4 x USB 2.0 port(s) (4 x Type-A) 1 x DisplayPort 1 x HDMI® port 1 x Wi-Fi Module 1 x Intel® 2.5Gb Ethernet port 5 x Audio jacks 1 x BIOS FlashBack™ buttonSource

Networking

1 item
Network interfaces and requirements
1 x Intel® 2.5Gb Ethernet ASUS LANGuard; Wi-Fi 6 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band Bluetooth v5.2Source

Audio

1 item
Audio interfaces
ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080 - Impedance sense for front and rear headphone outputs - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - High quality 120 dB SNR stereo playback output and 113 dB SNR recording input - Supports up to 32-Bit/384 kHz playback Audio Features - SupremeFX Shielding Technology - Savitech SV3H712 AMP - Premium audio capacitors - Audio cover **The rear panel Line out port does not support spatial audio. If you wish to use spatial audio make sure to connect your audio output device to the audio jack on the front panel of your chassis.Source

Power, cooling & lighting

1 item
Internal headers and connectors
Fan and Cooling related 1 x 4-pin CPU Fan header(s) 1 x 4-pin CPU OPT Fan header(s) 1 x 4-pin AIO Pump header(s) 3 x 4-pin Chassis Fan header(s) Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector 1 x 4-pin +12V Power connector Storage related 3 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 2 connector (support USB Type-C®) 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 1 x USB 2.0 10-1pin header + 1 USB 2.0 4pin header support additional 3 USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x AURA RGB header 1 x Clear CMOS header 1 x Front Panel Audio header (AAFP) 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 1 x Thunderbolt™ headerSource

BIOS, software & diagnostics

2 items
CPU support and BIOS requirements
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: 192 Mb Flash ROM, UEFI AMI BIOS

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.

Source
Listed operating systems
Windows® 11 64-bit, Windows® 10 64-bitSource
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