The Cisco 64GB DDR4 SDRAM Memory Module is a refurbished memory module that provides 64 GB of memory capacity in a single 288-pin LRDIMM form factor. Operating at a speed of 2666 MHz (DDR4-2666/PC4-21300), this memory module is designed to deliver efficient performance for server applications. With a CAS latency of CL22 and an operating voltage of 1.20 V, it ensures reliable and fast data access. The registered signal processing enhances stability and performance, making it ideal for demanding computing environments. This memory module is compatible with various Cisco servers, including UCS B200 M5, UCS C220 M5, and UCS C240 M5, ensuring seamless integration into existing systems.