B660M Pro RS Features: Supports 12th Gen Intel® Core™ Processors (LGA1700) 8 Phase Power Design Supports DDR4 4800MHz (OC) 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1 1 M.2 Key-E for WiFi Graphics Output Options: HDMI, DisplayPort Realtek ALC897 7.1 CH HD Audio Codec, Nahimic Audio 4 SATA3 1 Hyper M.2 (PCIe Gen4 x4) 1 Ultra M.2 (PCIe Gen3 x4 & SATA3) 7 USB 3.2 Gen1 (4 Rear, 2 Front, 1 Front Type-C) 6 USB 2.0 (2 Rear, 4 Front) Intel® Gigabit LAN Specifications: Unique Feature ASRock Super Alloy Premium Power Choke Sapphire Black PCB High Density Glass Fabric PCB ASRock Intel® 4Layer Memory POOL (Planes on Outer Layers) Technology ASRock Steel Slot ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock POST Status Checker (PSC) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop CPU Supports 12th Gen Intel® Core™ Processors (LGA1700) Digi Power design 8 Power Phase design Supports Intel® Hybrid Technology Supports Intel® Turbo Boost Max 3.0 Technology Chipset Intel® B660 Memory Dual Channel DDR4 Memory Technology 4 x DDR4 DIMM Slots Supports DDR4 nonECC, unbuffered memory up to 4800+(OC) Supports ECC UDIMM memory modules (operate in nonECC mode) Max. capacity of system memory: 128GB Supports Intel® Extreme Memory Profile (XMP) 2.0 BIOS 128Mb AMI UEFI Legal BIOS with multilingual GUI support ACPI 6.0 Compliant wake up events SMBIOS 2.7 Support CPU Core/Cache, CPU GT, DRAM, VDD_IMC, VCCIN AUX, +1.05V PROC, +0.82V PCH, +1.05V PCH Voltage Multiadjustment Graphics Intel® Xe Graphics Architecture (Gen 12) Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers Supports HDMI 2.1 TMDS Compatible with max. resolution up to 4K x 2K (4096x2160) @ 60Hz Supports DisplayPort 1.4 with DSC (compressed) max. resolution up to 8K (7680x4320) @ 60Hz / 5K (5120x3200) @ 120Hz Supports HDCP 2.3 with HDMI 2.1 TMDS Compatible and DisplayPort 1.4 Ports Audio 7.1 CH HD Audio (Realtek ALC897 Audio Codec) Supports Surge Protection Nahimic Audio LAN Gigabit LAN 10/100/1000 Mb/s Giga PHY Intel® I219V Supports WakeOnLAN Supports Lightning/ESD Protection Supports Energy Efficient Ethernet 802.3az Supports UEFI PXE Slots 2 x PCIe x16 Slots (PCIE1/PCIE3: single at Gen4x16 (PCIE1); dual at Gen4x16 (PCIE1) / Gen3x4 (PCIE3)) 1 x PCIe Gen3x1 Slot Supports AMD CrossFire™ 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module and Intel® CNVi (Integrated WiFi/BT) Storage 4 x SATA3 6.0 Gb/s Connectors If M2_2 is occupied by a SATAtype M.2 device, SATA3_0 will be disabled. 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode 1 x Ultra M.2 Socket (M2_2, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen3 x4 (32 Gb/s) mode RAID Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices Connector 1 x SPI TPM Header 1 x Chassis Intrusion and Speaker Header 1 x RGB LED Header 3 x Addressable LED Headers 1 x CPU Fan Connector (4pin) 1 x CPU/Water Pump Fan Connector (4pin) (Smart Fan Speed Control) 3 x Chassis/Water Pump Fan Connectors (4pin) (Smart Fan Speed Control) 1 x 24 pin ATX Power Connector 1 x 8 pin 12V Power Connector (HiDensity Power Connector) 1 x Front Panel Audio Connector 1 x Thunderbolt™ AIC Connector (5pin) (Supports ASRock Thunderbolt™ 4 AIC Card) 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) 1 x Front Panel Type C USB 3.2 Gen1 Header (Supports ESD Protection) Rear Panel I/O 3 x Antenna Mounting Points 1 x PS/2 Mouse/Keyboard Port 1 x HDMI Port 1 x DisplayPort 1.4 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection) 2 x USB 2.0 Ports (Supports ESD Protection) 1 x RJ45 LAN Port with LED (ACT/LINK LED and SPEED LED) HD Audio Jacks: Line in / Front Speaker / Microphone Software and UEFI Software ASRock Motherboard Utility (ATuning) ASRock Polychrome SYNC ASRock XFast LAN UEFI ASRock EZ Mode ASRock Full HD UEFI ASRock My Favorites in UEFI ASRock Instant Flash ASRock Internet Flash ASRock Easy RAID Installer Support CD Drivers, Utilities, AntiVirus Software (Trial Version) Accessories Quick Installation Guide, Support CD, I/O Shield 2 x SATA Data Cables 3 x Screws for M.2 Sockets 1 x Standoff for M.2 Socket Hardware Monitor Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans Fan MultiSpeed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans CASE OPEN detection Voltage monitoring: CPU Vcore, +1.05V_PCH, DRAM, VCCIN AUX, VCCSA, +1.05V PROC, +0.82V PCH, +12V, +5V, +3.3V Form Factor Micro ATX Form Factor: 9.6in x 9.6in, 24.4 cm x 24.4 cm Solid Capacitor design OS Microsoft® Windows® 10 64bit / 11 64bit Certifications FCC, CE ErP/EuP ready (ErP/EuP ready power supply is required)