Cisco Sales 16GB DDR4-2666MHz ECC Reg Single-Rank Server RAM

Cisco 16GB DDR4-2666MHz ECC Registered Memory

This Cisco 16GB DDR4-2666MHz ECC registered module is built for enterprise servers that require error correction and signal stability. Single-rank organisation and CL19 timing provide predictable latency for virtualisation and database workloads. Registered buffering reduces electrical load on the memory controller, allowing higher density configurations. The 1.2V operating voltage matches standard DDR4 power envelopes.

Upgrading from non-ECC or lower-capacity DDR4

The jump is worth it when data integrity cannot rely on software alone and the platform supports registered DIMMs. Replacing unbuffered or non-ECC memory with this module adds hardware error correction and enables larger total memory footprints per channel. Systems already running registered ECC at the same speed gain capacity without timing changes. Platforms limited to unbuffered memory cannot use this module.

Suited for Cisco UCS and qualified DDR4-2666MHz

This module suits administrators expanding qualified Cisco UCS platforms or other servers validated for PC4-21300 registered ECC memory. Buyers needing unbuffered ECC, higher frequencies, or consumer desktop compatibility should look elsewhere. Environments requiring 3DS or load-reduced DIMMs for extreme density will not be served by this single-rank part. Compatibility must be confirmed against the system qualified-vendor list.