General

Engineer's Note

This is a server-class DDR3 Registered DIMM with ECC, explicitly designed for virtualization clusters and memory-intensive databases where data integrity and sustained uptime are non-negotiable. The dual-rank x4 organization and CL9 latency deliver robust signal integrity on high-density 240-pin platforms, while the registered buffer and 1.5V operation stabilize heavy multi-DIMM configurations under continuous load.

Technical Specs & Insights

1. ECC actively detects and corrects single-bit errors in real time, shielding virtualized databases from silent data corruption that would otherwise crash critical enterprise services.
2. The registered signal type uses an on-DIMM buffer to stabilize command and address lines, allowing dense server memory configurations to scale reliably under sustained 24/7 operation.
3. Dual Rank x4 organization interleaves internal banks for higher effective bandwidth, keeping all CPU cores fed during peak consolidation of multiple virtual machines.
4. A 16 GB module density lets IT architects pack more active memory into each 2U node, directly increasing the number of business applications that can run side-by-side without swapping.
5. DDR3-1333 transfer speed supplies ample sustained throughput for legacy ERP and middleware stacks, maintaining predictable response times where uptime and compliance outweigh raw performance.

Why These Specs Matter

This 16GB DDR3-1333 RDIMM with ECC and registered buffering is purpose-built for mission-critical servers. In a dense virtualization cluster, its ECC engine silently corrects single-bit errors that would otherwise corrupt guest OS state or crash hypervisors, ensuring fault-tolerant operations. The registered clock driver stabilizes signals across fully loaded memory channels, allowing you to scale up to 384GB or more for demanding in-memory databases without compromising signal integrity. Its dual-rank x4 configuration cuts bank conflicts, delivering higher sustained bandwidth for mixed workloads—when multiple VMs compete for memory access, dual rank interleaving keeps transaction latency low. Meanwhile, the CL9 CAS latency at 1333MT/s guarantees snappy response for caching and real-time analytics. For data centers running everything from SAP HANA to large-scale virtualization, these features mean uncompromised data integrity, denser VM consolidation, and reliable performance under load.

Endurance & Reliability

General Virtualization
For a hypervisor hosting multiple VMs, populate the server with six or twelve identical 16 GB RDIMMs to reach 96 GB or 192 GB total capacity. This balanced configuration across triple-channel memory controllers provides ample headroom for memory overcommit and live migration while maintaining ECC protection for sustained stability.

In-Memory Database
Low-latency in-memory databases like Redis or SAP HANA benefit from maximum memory bandwidth and capacity. Install at least twelve modules across all memory channels, giving 192 GB, to keep entire datasets resident in RAM. The registered ECC design of these dual-rank x4 DIMMs ensures data integrity under aggressive in-memory workloads and frequent cache updates.

High-Performance Computing (HPC)
HPC clusters demand reliable, high-density memory for large numerical simulations and parallel I/O. Deploy a fully populated configuration using eighteen or more 16 GB RDIMMs per node, yielding 288 GB or greater. The combination of CAS 9 latency, 1.5 V operation, and registered signaling delivers deterministic performance and error resilience during multi-day compute runs.

Verified Compatibility

Rigorously tested 16GB DDR3 RDIMM, compatible with Dell R620, HP DL380p Gen8, and Lenovo RD630 servers.

FAQ