General

Engineer's Note

Designed for enterprise servers, this 64GB DDR5-4800 RDIMM with ECC and registered signaling ensures data integrity and system stability under heavy virtualization and in-memory database workloads. Its dual-rank configuration maximizes interleaving efficiency to boost throughput, while the CL40 latency and 1.1V operation deliver a balanced profile of reliable performance and energy efficiency for 24/7 data-center environments.

Technical Specs & Insights

1. A 64GB capacity per module maximizes memory density in server nodes, enabling more virtual machines per physical host and reducing the need for disruptive hardware upgrades.
2. DDR5 technology doubles the burst length and delivers higher bandwidth per core, which accelerates in-memory databases and real-time analytics workloads common in data centers.
3. A transfer speed of 4800MT/s ensures that multi-processor servers can saturate high-speed network links, preventing memory bottlenecks during heavy concurrent access.
4. On-die ECC combined with side-band error correction provides end-to-end data integrity, protecting financial transactions and mission-critical services from silent data corruption.
5. Registered signal buffering stabilizes large-capacity memory arrays by reducing electrical load, allowing fully populated 24-DIMM servers to run demanding virtualization clusters without signal degradation.

Why These Specs Matter

For your data center, the Samsung M321R8GA0BB0-CQKTE 64GB DDR5-4800 RDIMM delivers four capabilities that directly impact uptime and performance. Its 64GB density combined with Registered clock buffering lets a single 2-socket server host dozens more virtual machines stably—without the signal degradation that plagues unbuffered memory at high capacities. ECC error correction eliminates the risk of silent data corruption. In a large virtualization cluster, a single uncorrected bit flip can crash critical VMs or corrupt a database; ECC on this module catches and fixes such errors in real time, protecting business continuity. The dual-rank design and 4800MT/s bandwidth accelerate in-memory databases like SAP HANA or Redis by enabling simultaneous read/write operations and reducing latency under heavy query concurrency. Finally, DDR5’s 1.1V operation cuts power draw per gigabyte, lowering cooling and electricity costs in always-on deployments. This memory turns reliability, density, and speed from abstract requirements into a tangible competitive advantage.

Endurance & Reliability

Memory Type Identification
The module is a 64GB DDR5-4800 RDIMM with ECC and registered signaling, making it exclusively server-grade memory. Its capacity, error correction, and buffered design are tailored for enterprise workloads, not consumer desktops or laptops.

General Virtualization
For dense VM hosting, deploy multiples of 8 or 16 modules per server to populate all memory channels while maintaining balanced DIMM population. A dual-socket system with 16 such DIMMs provides 1TB of resilient capacity, enabling high consolidation ratios without memory contention. Always observe vendor population order to leverage interleaving and avoid NUMA penalties.

In-Memory Database
In-memory databases like SAP HANA or Redis demand both capacity and data integrity. Equip servers with fully balanced configurations—typically 12 or 24 identical DIMMs—to maximize bandwidth and support huge datasets exclusively in DRAM. ECC protection is critical here to prevent silent data corruption during sustained in-memory operations.

High Performance Computing
HPC clusters require consistent, predictable memory bandwidth. Install 8 or 16 modules per node to saturate all DDR5 channels, aligning dual-rank RDIMMs for optimal throughput per channel. The 4800MT/s speed coupled with ECC ensures stable, error-free runs across many nodes, essential for lengthy simulations where node failure is unacceptable.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3.

FAQ