The B75 USB-BTC motherboard uses all-solid capacitors to make the motherboard more stable it supports LGA1155 CPU and uses the B75 chipset to give full play to the CPU performance the motherboard is suitable for the mining industry due to its low price and rich expansion interfaces. (1) Display interface: 1 x -compatible, 1 x VGA (2) USB rear: 2 x USB2.0 (3) USB front: 1 x USB2.0 (4) USB rear: 2 x USB3.0 (5) USB front: 1 x USB3.0 (6) Hard disk interface: 4 x SATA (7) Graphics interface: 8 x PCIE1X (USB transfer) (8) Network card interface: 1 x LAN 100M network card (9) Memory slot: 2 x DDR3 (10) CPU socket: LGA (1155) (11) Chipset: BGA (B75) (12) Hard disk interface: 1 x MSATA (13) BIOS initial restoration: JCMOS (14) Speaker interface: 1SPK (15) Power interface: 24pin_ATXPWR (16) Power interface: 4pin_ATX12V CPU type: Support For 1155 CPU socket: LGA_1155 Memory type: support 2 x DDR3 Maximum memory capacity: support a total of 16G, a single maximum of 8G Memory support 1333/1600MHz frequency Chipset: For B75 Express Chipset Audio chip: N/A Network card chip: 1 x REALTEK 100M network card The appearance and color of different batches of products may be different, which will not affect the use colour: black Material: PCB Size: 230.32mm x 174.92mm Package Contents: 1 x Motherboard 1 x i3 2100 CPU 1 x SATA Cable(the appearance and color are random, don't accept the specified ) 1 x Switch Cable(random color, don't accept the specified color) 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.