Lenovo 4X70G78060 Compatible Factory Original 4GB DDR4-2133MHz Registered ECC Single Rank x8 1.2V 288-pin RDIMM

• Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity
• Up to 2133 MHz speed for smooth computer performance
• 4 GB memory allows you to have more programs open at a time
• DDR4 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
• 1 x 4GB modules for quick access and retrieval of data and information to ensure maximum usability
• 288-pin for optimal performance and maximum reliability
• CL15 CAS latency for quicker access to the required location in a timely efficient manner
• RDIMM form factor with 288-pin and 4 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility
• Registered signal processing allows high speed and accuracy to allow maximum reliability