Fin heat sink, enhances heat dissipation and improves motherboard performance stability M.2 NVME PCIE3.0 x4 interface + M.2 NGFF (SATA3.0) 4*DDR4PC dual channel for office and home entertainment X99S D4 upgraded version with innovative design and ultra-high performance Motherboard model: X99S D4 PLUS Motherboard CPU slot: LGA 2011-3 (V3/V4 Xeon) Graphics card slot: 1*PCI-E3.0 x16 Network card: 2*Gigabit network card Expansion interface: 1*PCIE3.0x4 slot, 1* M.2_NVME, 1 *M.2_NGFF Board type: M-ATX Memory slot: 4*DDR4 (dual channel) Memory capacity: 128GB SATA interface: 3 * SATA3.0; 2 * SATA2.0 Sound card: ALC897 7.1 sound card chip Power interface: 1*8+1*24 Pin power interface USB interface: 6*USB2.0 (front 4*USB2.0); 4*USB3.0 (front 2*USB3.0) (Due to different batches, the printed words on the product will be different, which does not affect use) Colour:As Shown Material:PCB Package Contents: 1 x Motherboard 1 x Baffle 1 x Sata Cable 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.