General

Engineer's Note

Designed as a server-grade DDR5-6400 Registered DIMM with ECC, this 48GB module is ideal for memory-intensive enterprise platforms running virtualization, in-memory databases, and mission-critical workloads where data integrity is paramount. Its single-rank x4 configuration enables stable high-frequency operation at 1.1V, while the registered signal type and ECC jointly enhance signal integrity and real-time error correction across dense server deployments.

Technical Specs & Insights

1. ECC support provides real-time error correction that safeguards transactional data integrity in financial and database server workloads.
2. Registered signal buffering enables stable operation across densely populated server boards, maintaining signal integrity as memory channels scale.
3. 48 GB capacity per module offers an optimal mid-density building block for virtualized environments, maximizing memory per core without stranding resources.
4. 6400 MHz speed delivers the raw bandwidth required for AI inference and in-memory analytics, cutting data retrieval latency on data-intensive platforms.
5. Single Rank x4 organization heightens fault tolerance and enables advanced reliability features like device-level correction, which reduces downtime risk in mission-critical deployments.

Why These Specs Matter

This registered DDR5 memory module (RDIMM) is purpose-built for enterprise servers and data centers. Its ECC function silently corrects single-bit errors, preventing data corruption that can crash virtualized clusters or silently flip financial transactions. The registered buffer stabilizes signal integrity across dozens of densely packed DIMM slots, enabling you to scale up to terabyte-class memory without sacrificing reliability. In an in-memory database like SAP HANA or Redis, the module’s 48 GB capacity and 6400 MT/s bandwidth slash query response times and support larger datasets. The single-rank x4 organization reduces electrical loading, maximizing the memory controller’s throughput and ensuring consistent low latency even under heavy multisocket workloads. Together, these features transform raw specifications into business resilience: fewer crashes, faster insights, and seamless scalability for your virtualization farms and real-time analytics platforms.

Endurance & Reliability

General Virtualization
In dense virtualization hosts, capacity per channel matters more than raw frequency. With 48 GB Registered DIMMs, populate one DIMM per channel to balance cost and memory bandwidth—this yields 48 GB per channel, ideal for moderate consolidation ratios. For NUMA-aware hypervisors, install identical modules across all sockets to avoid performance penalties from remote memory access. Plan for one spare DIMM per server to maintain redundancy.

In-Memory Database
In-memory databases thrive on large, low-latency footprints. Deploy six 48 GB RDIMMs in a six-channel server for 288 GB total, keeping data sets entirely in RAM while leaving headroom for replication buffers. Single-rank x4 construction at 6400 MT/s keeps latency predictable under sustained OLTP loads—aggregate ranks per channel should stay at two or fewer to limit refresh overhead.

High-Performance Computing (HPC)
Memory bandwidth is king in HPC. Populate all available channels with one 48 GB DIMM each to achieve peak theoretical bandwidth; for a typical 8-channel platform, that delivers 384 GB at full speed. Use CL52 timing-aware placement and ensure identical firmware versions across modules. When scaling out, plan capacity in multiples of per-node channel count to avoid stranded DIMM slots and maintain symmetric MPI job distribution.

Verified Compatibility

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

FAQ