Reminder: The product will self check the memory when it is first turned on, and the startup may be slower. Please pay attention. 1. Must work with a good 115X radiator. 2. Must connect 24pins+4pins ATX 12V power supply at the same time to power on. 3. If you buy SFF-8643 to 4*NVMe adapter board must install 4pcs M.2 PCIE3.0 NVMe, DO NOT support M.2 PCIE4.0 NVMe! 4. Every new motherboard was tested with radiator totally before shipping, that is why copper plate seems to get traces of thermal grease.