General

Engineer's Note

This is a server-class DDR5 RDIMM, purpose-built for enterprise platforms running virtualization, in-memory databases, and latency-sensitive workloads where data integrity is critical. Its registered signal architecture and ECC ensure exceptional stability under heavy load, while the dual-rank x4 configuration and low CL4 latency significantly boost memory bandwidth and responsiveness in multi-socket environments.

Technical Specs & Insights

1. High-capacity module design maximizes server memory density, allowing more virtual machines per node without sacrificing performance during peak loads.
2. DDR5 memory technology doubles the bandwidth over previous generations, accelerating in-memory databases and real-time analytics under heavy query loads.
3. ECC protection automatically corrects single-bit errors, ensuring data integrity for transactional workloads where even a single bit flip can cause financial discrepancies.
4. Registered signal type buffers command and address signals, stabilizing multi-DIMM configurations and enabling massive memory footprints in enterprise servers.
5. Dual-rank x4 organization interleaves memory accesses for higher sustained bandwidth, critical for consistent response times in heavily consolidated virtualized environments.

Why These Specs Matter

When you are running a virtualized cluster or an in-memory database like SAP HANA, memory errors are not a minor annoyance—they are a direct threat to business continuity. The Samsung M329R8GA0BB0-CQKDG is a 64GB DDR5-4800 Registered DIMM built precisely for these mission-critical server environments, and its four defining features turn risk into resilience. The on-die ECC corrects single-bit flips before they corrupt transactional data, which means financial calculations or customer records remain accurate under continuous, heavy load. Its registered architecture buffers command and address signals, allowing a single server to host a large pool of DDP5 modules without signal degradation, so your VMware ESXi host can pack in multiple VMs or your Redis cluster can scale in-memory datasets confidently. The dual-rank x4 organization interleaves memory banks to deliver higher effective bandwidth: for a virtual desktop infrastructure, this translates into snappier user session switching; for an in-memory database, it accelerates real-time analytics by reducing access latency. And because it runs at a low 1.1V, data centers gain not only DDR5 speed but also improved power efficiency per gigabyte. This memory turns bare-metal reliability into a competitive edge—your applications stay online, your transactions stay consistent, and your infrastructure overhead stays controlled.

Endurance & Reliability

General Virtualization
For general virtualization hosts, this 64GB DDR5-4800 RDIMM provides the ideal building block. Deploy six or eight identical modules in a dual-socket server (12 or 16 DIMM slots) to achieve 384GB or 512GB total capacity while maintaining balanced memory population across all memory channels. The Registered ECC design ensures virtual machine stability by correcting single-bit errors, and the dual-rank x4 organization delivers solid bandwidth for moderate VM density without over-provisioning.

In-Memory Database
In-memory database workloads demand maximum capacity and reliability. Populate all available channels with this 64GB RDIMM—typically 16 modules in a modern 2P server for 1TB of memory—to keep entire datasets resident in DRAM. ECC protection is non-negotiable for data integrity, and the DDR5-4800 speed with CL40 latency supports the high throughput required by Redis, SAP HANA, or Memcached. Pair with a CPU offering large L3 cache to complement the dual-rank module’s efficient interleaving.

High-Performance Computing
HPC clusters benefit from a balanced configuration of eight or sixteen modules per node to match the processor’s eight-channel architecture. The 4800MT/s transfer rate and registered signalling enable stable operation in dense, multi-node environments. Dual-rank x4 construction increases bank groups for improved concurrency in parallel simulations. For memory-bandwidth-sensitive CFD or weather modelling codes, consider populating one DIMM per channel to avoid performance penalties, reserving the second slot per channel only when absolute capacity takes priority.

Verified Compatibility

Rigorously tested, this server memory is compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, and Lenovo ThinkSystem SR650 V3.

FAQ