PRO B660M-C D4-CSM Features: Intel® LGA 1700 socket: Ready for 12th Gen Intel CoreTM processors ASUS CSM program: A stable motherboard supply, end-of-life notifications, and IT software for business motherboards ASUS Control Center Express: Integrated IT monitoring and management software that simplifies enterprise-level system administration Enhanced system security: A self-recovering BIOS and TPM to safeguard PCs Consistent and reliable performance: High-quality components and rigorous testing to help ensure durability in harsh environments Efficient management and customization: An event log and commercial BIOS kit to enable easy maintenance Better serviceability: Q-LED diagnostic display and COM debug header to facilitate building and support processes Specifications: CPU Intel® Socket LGA1700 for 12th Gen Intel® Core™, Pentium® Gold and Celeron® Processors Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0 Chipset Intel® B660 Chipset Memory 4 x DIMM, Max. 128GB, DDR4 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 NonECC, Unbuffered Memory Dual Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) Optimem Graphics 1 x DSub 2 x DisplayPort 1 x DSub port 1 x HDMI® port Expansion Slots Intel® 12th Gen Processors 1 x PCIe 4.0/3.0 x16 slot Intel® B660 Chipset 2 x PCIe 3.0 x1 slots Storage 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 Ethernet 1 x Intel® 1Gb Ethernet 1 x Intel® 1Gb Ethernet ASUS LANGuard Wireless & Bluetooth M.2 slot only (Key E, CNVi & PCIe) USB Rear USB (Total 4 ports) 2 x USB 3.2 Gen 1 ports (2 x TypeA) 2 x USB 2.0 ports (2 x TypeA) Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 connector (suppports USB TypeC®) 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 Audio ALC897 Realtek 7.1 Surround Sound High Definition Audio CODEC Supports: Jackdetection, Front Panel Jackretasking Supports up to 24Bit/192 kHz playback Back Panel I/O Ports 2 x USB 3.2 Gen 1 ports (2 x TypeA) 2 x USB 2.0 ports (2 x TypeA) 2 x DisplayPort 1 x HDMI® port 1 x DSub port 1 x Intel® 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) por Internal I/O Connectors Fan and cooling related 1 x 4pin CPU Fan header 2 x 4pin Chassis Fan headers Power related 1 x 24pin Main Power connector 1 x 8pin +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 connector (suppports USB TypeC®) 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 Clear CMOS header 1 x Chassis Intrude header 2 x COM Port headers 1 x Front Panel Audio header (AAFP) 1 x COM debug header 1 x LPT header 1 x Monoout header(with Amp IC) 1 x M.2 slot (Key E) 1 x SMBUS header 1 x Speaker header 1 x 101 pin System Panel header Special Features ASUS EZ DIY Box Headers Bespoke Motherboard Design & Business Focused Features QLED Core ASUS Self Recovering BIOS ASUS Event Log ASUS Commercial BIOS kit AntiMoisture 24/7 Reliability Overcurrent Protection TPM IC onboard Software Features ASUS Exclusive Software IT Management software supported ASUS Control Center Express(ACCE) BIOS 128Mb Flash ROM Manageability WOL by PME, PXE Accessories Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x I/O Shield 1 x M.2 SSD screw package 1 x M.2 Key E screw package Installation Media 1 x Support DVD Documentation 1 x ACC Express Activation Key Card 1 x User guide Operating System Windows® 11 64bit, Windows® 10 64bit Form Factor microATX 24.4cm x 24.4cm