Features: brand new and high quality Perfect match: According to the original model design, perfect replacement installation, high-quality components,Support for LGA 2011-3 DDR4 E5 2678 V3V4 memory. Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable. Durable material: This product is made of high-quality material, durable, long service for time, firm and stable in use. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service for time. Specifications: Model: X99-S3 motherboard Plate type: ATX CPU socket: for Intel LGA2011-3 V3/V4 Memory socket: 8 x DDR4 memory socket Memory standard: support DDR4 ECC 2400MHz Maximum memory capacity: 256G (8 x 32G) SATA: 6 x SATA3.0, 2 x NVME for M.2, 1 x NGFF for M.2 (support Wifi+BT) Power interface: 24-pin + 8-pin USB interface: 8 x USB3.0, 5 x USB 2.0, (front USB 3.0 x 2, USB 2.0 x 3) Graphics slot: PCIE16X x 2, PCIE4X x1 Network card: Gigabit adaptive network card x1 Sound card: support 8 channels Extended interface: PCIE1X x 2, COM pin PS/2 interface: PS/2 mouse and keyboard interface Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item,Thanks for your understanding. Package includes: 1PC x Motherboard