Important note: CR2032 button battery is not included, CR2032 button battery must be installed before use      Network card chip: 1 x REALIEK 8105E 100M network card     The BTC79X5 V1.0 motherboard uses the H61 chip and the 2011 slot, 5 Pcie3.0 X8 graphics card interfaces are designed with a spacing of 60mm, which can support RTX3060 and RTX3080 graphics cards, and the single card computing power is up to 48MH/s or more. It perfectly supports 4G video memory and graphics card, which greatly improves the mining function of computing power.          CPU interface: LGA(2011)     USB interface: 4 x USB2.0     USB pin: 1 x USB2.0     Hard disk interface: 1 x SATA3.0     Hard disk interface: 1 x MSATA     Network card interface: 1 x LAN     Memory slot: 1 x DDR3     Chipset: BGA (H61)     BIOS initial restoration: JCMOS     Graphics card interface: 5 x PCI Express 3.0 8X, pitch 60mm     Motherboard/graphics card power supply: 6 x POWER_PE     Self-initiated call: AUTO_ON     Notice: Different batches of products are slightly different, and the colors of the slots and the bottom plate are random, the specified color is not accepted. Please understand it      colour: black     Material: PCB     Size: 322x188mm          Package Contents:     1 x Motherboard          Only the above package content, other products are not included.     Note: Light shooting 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.