When a platform needs more memory, the right kit matters as much as the capacity itself. This OWC 64GB kit combines four 16GB DDR3 RDIMMs to deliver balanced population for compatible systems, including workstation-class platforms that depend on registered ECC memory for stable operation. Running at 1,600 MHz with CL11 timing and 1.5 V operating voltage, the kit is suited to legacy infrastructure where DDR3 remains the correct fit. The 2Rx4 organization and 240-pin interface align with server and workstation memory requirements, helping ensure the module behaves as expected under sustained load. For teams extending the life of proven hardware, this kit offers a practical path to higher memory capacity without changing the platform. It is the kind of upgrade that preserves investment in existing systems while improving responsiveness for virtualization, engineering applications, and other memory-sensitive workloads.