Must-see requirements before placing an order: Please make sure your motherboard supports TPM 2.0 module Please try and provide the motherboard model (the middle part of the motherboard is usually above the graphics card slot) and photo socket. There is no fixed specification for this interface, and there are many varieties. You can check your compatibility and incompatibility with this motherboard module The first step: first confirm your own motherboard manufacturer, divided into Intel and AMD. If it is Intel, please check the number after the English letter. Any number greater than 99 (including 99) is fine, for example: ASUS X99, 99 after x is fine. If it is AMD, make sure that the memory type of the motherboard must be DDR4. For example: MSI 970A-G43, the memory type of this model is DDR3, which is not supported! The second step is to confirm the pins of your motherboard, whether it is 12pin, 14pin or 20pin, etc. Example: My motherboard model is ASUS B450-M, is it appropriate? Make sure that the motherboard manufacturer is AMD, and tarief makes the motherboard memory type DDR4, which is compatible. Specification: 20pin packing list 1 *20pin protection module