NIC interface:Gigabit LAN card Storage Slot:SATA2.0*3+M.2*1 USB interface:USB2.0*6 Power supply type:24pinATX PWR Other interfaces:PS/2+Audio interface Type:X99E Motherboard+E5 2666 V3 CPU Dual Channel Motherboard Model:X99 CPU architecture:LGA2011-3 Chipsets:HM55 Number of memory slots:DDR4*4 Memory capacity: Supports 16GB*4 (64GB) and 2133Mhz RECC RAM Expansion slot:PCIE x16 Note: Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. The color and appearance of accessories are random, cannot be specified, and will not affect use. Colour:Random Color(Color is random, no specification is accepted) Material:PCB Package Contents: 1 * Motherboard Kit 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.