Brand - Asus, Model - Asus Pro B660M-C D4-CSM, Chipset Brand - Intel, Chipset - Intel B660, CPU Sockets - LGA1700, Supported CPU - Intel Core, Pentium Gold and Celeron Processors, Generation - 12th, Memory Type - DDR4, Memory MHz - 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 MHz, Memory Channel - Dual Channel, Memory Slot - 4, Memory Slot (Additional Info) - 4 x DIMM, Memory Max. - 128GB, Optane Memory Support - Yes, PCI Express Slot - 1 x PCIe 4.0/3.0 x16 slot (Intel 12th Gen Processors), 2 x PCIe 3.0 x1 slots (Intel B660 Chipset), Storage Interface - 6Gb/s, M.2 Slot - 2 x M.2 (1 x M.2, Type 2242/2260/2280, 12th Gen processors support PCIe 4.0 x4 mode), (1 x M.2, type 2242/2260/2280, supports PCIe 4.0 x4), LAN Chipset - Intel 1Gb Ethernet, LAN Speed (Mbps) - 10/100 /1000Mbps, Audio Chipset - Realtek 7.1 Surround Sound High Definition Audio, Audio Channel - 7.1 Channel, Wi-Fi - No, Bluetooth - No, USB Port - 2 x USB 3.2 Gen 1 Type-A, 2 x USB 2.0 Type-A, VGA Port - 1, DVI Port - No, HDMI Port - 1, DisplayPort (DP) - 2, SATA Port - 4 x SATA, BIOS Type - 128Mb Flash ROM, CrossFire Support - No, Sli Support - No, Thunderbolt - No, COM Port - 2, RGB Support - No, Form Factor - Micro-ATX, Supported Operating System - Windows 11/ 10, Others - Back Panel I/O Ports: 1 x Ethernet Port, 3 x Audio Jacks, 1 x PS/2 keyboard (purple) port, 1 x PS/2 mouse (green) port. Internal I/O Connectors: 1 x 4-pin CPU Fan header, 2 x 4-pin Chassis Fan headers, 1 x 24-pin Main Power connector, 1 x 8-pin +12V Power connector. Miscellaneous: 1 x Clear CMOS header, 1 x Chassis Intrude header, 1 x Front Panel Audio header (AAFP), 1 x COM debug header, 1 x LPT header, 1 x Mono-out header(with Amp IC), 1 x SMBUS header, 1 x 10-1 pin System Panel header,3 Year's (Official) Warranty