// CPU Intel® Socket LGA1700 for 12th Gen Intel® Core™, Pentium® Gold and Celeron® Processors Chipset - Intel® B660 Memory 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* Dual Channel Memory Architecture Graphic Integrated Graphics Processor 1 x D-Sub port 1 x HDMI® port** Expansion Slots 1 x PCIe 4.0/3.0 x16 slot 2 x PCIe 3.0 x1 slots Storage Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* M.2_1 slot (Key M), type 2242/2260/2280 (support PCIe 4.0 x4 mode). 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 LAN 1 x Realtek 1Gb Ethernet Audio Realtek 7.1 Surround Sound High Definition Audio CODEC* USB Ports 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A） 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 https://www.asus.com/Motherboards-Components/Motherboards/PRIME/PRIME-B660M-K-D4/