The LGA4677-E1A is a standard mounting kit, also called package carrier for the LGA4677 socket for the Intel Xeon Sapphire Rapids and Emerald Rapids series of servers and workstations.The 4677 E1A CPU package carrier has TIM break lever to make sure the CPU and the CPU cooler separate rapidly. The 4677 server CPU buckle makes the CPU Cooler for Intel LGA4677 to be quickly and easily installed into the CPU socket, making the cooler to fit more tightly and securely into the CPU, thereby reducing thermal resistance and improving the cooling effect of the cooler.