With the IBM TruDDR4 Memory Portfolio for System x servers and IBM Flex System compute nodes, you can enhance the performance of all workloads, as numerous applications benefit immediately from increased memory. The IBM TruDDR4 Memory Portfolio includes RDIMMs and LRDIMMs with advanced error correction for reliability, 2,133 MHz performance, and maximum memory capacity. IBM TruDDR4 Memory DIMMs feature a unique, programmed signature that allows you to verify whether TruDDR4 Memory is installed in your system. Thanks to memory authentication, memory stretch goals are only activated when TruDDR4 Memory DIMMs are detected.