AddOn 128GB PC4-19200 DDR4-2400MHz ECC Registered CL17 288-Pin Load Reduced DIMM 1.2V Octal Rank Memory Module. The AddOn memory module is a high-capacity 128GB DDR4-2400MHz ECC Registered Load Reduced DIMM. Featuring a CAS latency of CL17 and operating at 1.2V, this 288-pin octal rank module ensures reliable and efficient performance. Designed for demanding server environments, it provides enhanced data integrity and stability with ECC (Error-Correcting Code) support. Ideal for high-performance computing and data-intensive applications, this module delivers exceptional speed and capacity for enterprise-level systems.