1. CPU Compatibility: This desktop motherboard supports Intel's fourth-generation (Haswell architecture) 22nm CPUs, including Intel Core i3, i5, and i7 processors. It supports LGA1150 socket. 2. Chipset: The computer motherboard uses the Intel H81 Express chipset, providing stable performance and reliability. 3. Memory Support: The motherboard has two 240-pin DDR3 SDRAM slots with a maximum capacity of 16GB. It supports dual-channel DDR3 memory with speeds up to 1066/1333/1600 MHz. 4. I/O Interfaces: The desktop computer mainboard provides multiple I/O interfaces, including 4 USB 2.0 interfaces, 2 USB 3.0 interfaces, 1 VGA port, 1 HDMI-Compatible port, 1 RJ45 port, and 1 3-in-1 audio interface (line in/line out/microphone). 5. Storage and Expansion Slots: The PC main board has 2 SATA 2.0 (3GB/s) ports and 2 SATA 3.0 (6GB/s) ports, allowing you to connect multiple storage devices. The expansion slots include 1 PCI Express x16 slot, 1 PCI Express x1 slot, and 1 M.2 slot that supports NVMe and NGFF interfaces. Application:Desktop Form Factor:Micro-ATX CPU:Supports/54th Gen (HASWELL) Intel 22nm CPU (LGA1150) Chipset:Intel H81 Express Chipset Memory:2*240-pin DDR3 SDRAM slot; memory up to 16GB; support dual-channel DDR3 1066/1333/1600 MHZ I/O ports:4 x USB2.0; 2 x USB3.0; 1 VGA port; 1 HDMI-Compatible port; 1 x RJ45 port; 1 x 3-in-1 Audio port(line in/line out/MIC in) Onboard interface:1 x 24-pin ATX power connector; 1 x 4-pin ATX 12V power connector; 2 x USB port, can support 4*USB 2.0; 1 x F-AUDIO port; 1 x F-PANEL connector; 1 x F-SPEAKER connection connector; 1 fan connector; 1 x LPC-DEBUG connector Integrated audio:Onboard Realtek ALC 6-channel HD Audio Codec; Provide front audio interface; Provide front stereo microphone interface Storage:2 x SATA 2.0 (3GB/s) ports, 2 x SATA 3.0 (6GB/s) ports;Integrated lan:Realtek 10/100 Mbps LAN onboard (1000Mbps optional) Expansion slots:1 x PCI Express x16 slot; 1x PCI Express x1 slot; 1 x M.2 Nvme/NGFF slot Note:Due to different factory batches, there may be slight differences in appearance, which does not affect the use of the product. Colour:Black Material:Plastic Size:About 17x19cm/6.69x7.48in Package Contents: 1 * H81 Computer Motherboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.