Features The HUANANZHI B660-D4 motherboard offers high performance and maximum compatibility with the 12th and 13th generation Intel processors (LGA1700 shocket). With two DDR4, it supports up to 64GB RAM at 3200/2933/2666/2400MHz. It has 4 SATA 3.0 6Gbps ports and PCI Express 4.0/5.0x16 expansion slots and PCI Express 3.0 x4. Audio Realtek high fidelity, Gigabit Realtek RTL8111GUS and BIOS AMI UEFI Graphics. Compatible with Windows 10 and 11. M-ATX dimensions (235*195MM). Includes motherboard, SATA data cable and warranty card. Socket CPU: Supports 12th and 13th-generation Intel processors of LGA1700 Memory Slot: 2 DDR4 Memory Standard slots: Supports dual channel DDR4 memory 3200/2933/2666/2400MHz (depending on CPU/support XMP), Max support of 64 GB Storage interface: 4 ports SATA 3.0 6Gbps Expansion slot: 1 PCI Express slot 4.0/5.0x16, 1 PCI Express slot 3.0 x4 Expansion interfaces: 2 slot M.2 22110 NVME PCIE x4 4.0 Audio card: High Loyalty Audio Realtek Network Card: Network card Gigabit Realtek RTL8111GUS Power interface: 24PIN+8PIN Fan Pin: 1 x CPU FAN PIN, 2 x SYS FAN PIN Power: 8-phase power supply PCB layers: PCB 4 Layers Size: 235*195MM M-ATX Rear panel interface: 4 x USB 3.0 interface, 2 x USB 2.0 interface, 1 x VGA interface, 1 x HDMI interface, 1 x DP interface, 1 x Network card interface, 1 x 3-hole audio interface Front panel interface: 1 x USB 2.0 PIN, 1 x USB 3.0 PIN, 1 x Pin front audio, 1 x Pin Windows 10, Windows 11 BIOS: BIOS UEFI AMI Chart