Lightning Bolt design element. Born for gaming. High quality IC with stable performance. Support O.C Profile. Reliable compatibility. Lifetime warranty. Free Technical Support and Customer Service on TEAMGROUP's official website. Precautions: 1. Before purchasing memory products, please refer to the QVL(Qualified Vendor List) compatibility list first of the motherboard. 2. The quality of the CPU memory controller (IMC) and the version from the BIOS of motherboard may both potentially affect the operating frequency of the memory.