B660M-HDV PCIe 4.0 mATX Motherboard from ASRock B660M PERFECT FOR ANY DREAM BUILD Modern and futuristic, with attractive specifications and perfect balance, the B660M-HDV is the perfect solution for the latest motherboard technology. With support for the latest 12th Gen Intel Core processors and DDR4 memory, youll have everything you need for a new custom build. Intel B660 Chipset 1700 CPU Socket DDR4 Memory Type Micro-ATX Form Factor Power like No Other 4K Recording DIGI POWER Unlike traditional motherboards that use analog power, this motherboard uses a next generation digital PWM (Pulse-Width Modulation) design, which provides CPU Vcore voltage more efficiently and smoothly, so that the stability and lifespan of the motherboard is greatly enhanced. Utilise Super-Fast Storage 4K Recording HIGH SPEED M.2 SOLUTION This motherboard is capable of accommodating multiple M.2 storage devices, one of which can support PCI Express 4.0 M.2 SSD, it is capable of performing twice the speed compared to previous 3rd generation, giving a lightning fast data transferring experience. Consistently Connected 4K Recording INTEL® GIGABIT LAN Intel® LAN provides the best throughput performance, lower CPU utilization, enhanced stability and is able to deliver ultimate network experience to users. Besides the onboard LAN port, users may also choose 802.11ac wireless connections by M.2 (Key E) slot. Create an Immersive Display 4K Recording 3 GRAPHICS OUTPUTS Complete with all three types of most used connectors. Packed with a D-Sub DisplayPort HDMI combo. *Supported only with processors with integrated graphics. Please check CPU support list from each motherboard webpage. Built to Withstand the Test of Time down PREMIUM POWER CHOKE Compared to traditional chokes, ASRock’s premium power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard. up SAPPHIRE BLACK PCB Pure black PCB appearance. The new Sapphire Black PCB represents rock-solid quality and gives the motherboard a more mysterious touch. up HIGH DENSITY GLASS FABRIC PCB High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity. Full Spike Protection 4K Recording PROTECTING FROM ANY MALFUNCTIONS Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes. Core Specifications Edition B660M-HDV Form Factor MicroATX CPU Socket 1700 Chipset Intel B660 RAM Memory Support Memory Type DDR4 Memory Channel Dual (2) Memory Type (ECC) ECC/Non-ECC Memory Type (R/U) UDIMM (Unbuffered) Memory Speed (Mhz) DDR4 - 5066(OC) Max. Memory Capacity 64GB Audio Audio Realtek ALC897 7.1 HD Audio Graphics Support Primary GPU Interface PCIe 4.0 (x16) NVIDIA SLI Support N/A AMD CrossFire Support N/A Integrated Graphics   On-Board Graphics Connectors None Internal Connectivity Expansion Slots 1 x M.2, 22-30 (Supports WiFi/Bluetooth Cards) 1 x M.2, 22-60/80, PCIe Gen3x4/SATA3 1 x M.2, 22-60/80, PCIe Gen4x4 2 x PCIe 3.0 x1 1 x PCIe 4.0 x16 SATA Support N/A RAID Support via   Storage Mode Support RAID 0 RAID 1 RAID 10 RAID 5 Internal I/O 1 x 24-pin (Power) 1 x 8-pin (Power) 1 x Chassis Intrusion/Speaker Header 2 x Chassis Water Pump/Fan Connector 1 x CPU Fan Connector 1 x CPU Water Pump/Fan Connector 1 x Front Panel Audio Header 4 x SATA III - 6Gb/s 1 x Serial (COM) Header 1 x TPM (SPI_TPM) header 2 x USB 2.0 Header 1 x USB 3.2 Gen1 Header External Connectivity Network Interface Type Wired Gigabit LAN (10/100/1000) Network Chip/Modules 1 x Intel® I219V (Gigabit LAN) Rear I/O Connectors 1 x D-Sub (VGA) 1 x DisplayPort 1.4 1 x Front Speaker Out 1 x HDMI 1 x Line In 1 x Mic-In 1 x PS/2 Keyboard/Mouse Combo 1 x RJ-45 with LED 2 x USB 2.0 3 x USB 3.2 Gen1 Type-A 1 x USB 3.2 Gen1 Type-C Additional Specifications Water Cooled No Cooling Passive Heatsinks QPI Speed N/A Board Dimensions 244 x 201 mm