ASUS PRIME B660M-A D4-CSM

128 Mb Flash ROM, UEFI AMI BIOS

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 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

Intel® 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; 1 x PCle 4.0 x16+1 x PCle 3.0 x16 (max. x4)+2 x PCle 3.0 x16 (max. x1); 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)

mATX Form Factor

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 HDMITM 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 Intel® 1Gb Ethernet port; 3 x Audio jacks; 1 x PS/2 Keyboard/Mouse combo port

Total supports 2 x M.2 slots and 4x 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; 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.

https://www.asus.com/motherboards-components/motherboards/prime/prime-b660m-a-d4-csm/

PRIME B660M-A D4-CSM

24.4 cm x 24.4 cm

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.; 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 the Memory QVL (Qualified Vendors Lists).