Lenovo 16GB DDR4-2133 ECC RDIMM 47J0253-RF | Server Memory, Refurb

Increase usable server memory with this Lenovo 16 GB DDR4-2133 ECC RDIMM. Built as a 1 x 16 GB module with 2Rx4 organization and PC4-17000P-R signaling, it is intended for compatible enterprise platforms that require registered DDR4 memory at 2,133 MHz. ECC support helps maintain data integrity in workloads where memory errors are not acceptable, and the RDIMM design aligns with the requirements of server memory controllers. This module is a practical choice for teams extending the life of Lenovo infrastructure, replacing failed DIMMs, or building a consistent spare pool for production support. At 16 GB per module, it offers a meaningful capacity step without forcing a platform change, which makes it useful for virtualization hosts, application servers, and general-purpose compute nodes that still have room to grow. Refurbished sourcing can also help procurement teams balance performance needs with budget discipline. When compatibility is non-negotiable, this module gives you a clear path: the right generation, the right speed, the right registered ECC class. That precision is what keeps older enterprise systems productive while avoiding unnecessary refresh spend.