Mainboard Asus Prime B660M-K D4

2x DIMM, Max. 64GB, 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

Intel® 12th Gen Processors 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset 2 x PCIe 3.0 x1 slots

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) 4 x SATA 6Gb/s ports

Fan and Cooling related 1 x 4-pin CPU Fan header 1 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 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 RGB header 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header

4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x D-Sub port 1 x HDMI® port 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port

microATX 24.4cm x 21.1cm