General

Engineer's Note

This 64GB DDR4-2400 RDIMM with ECC and a quad-rank x4 organization is purpose‑built for server platforms running memory‑intensive workloads such as virtualization, in‑memory databases, and enterprise analytics. Its registered signal architecture and ECC error correction ensure robust data integrity and stable operation under high‑capacity, multi‑DIMM configurations, while the quad‑rank design maximizes density per channel in systems that demand large memory footprints without compromising reliability.

Technical Specs & Insights

1. 64GB capacity enables dense virtualization hosts to consolidate more VMs per node, reducing hardware footprint while meeting growing memory demands of enterprise applications.
2. ECC protection continuously corrects single-bit errors, safeguarding long-running transactions and in-memory datasets from silent data corruption in financial or scientific workloads.
3. Registered signal buffering stabilizes command and address lines across large memory populations, allowing systems to scale to multi-terabyte capacities without compromising signal integrity.
4. Quad Rank x4 organization packs more DRAM devices per rank to maximize capacity density, while keeping memory channels efficiently utilized for bandwidth-heavy analytics and in-memory databases.
5. DDR4-2400 operating speed delivers balanced throughput and power efficiency, sustaining steady performance under the constant access pressure of multi-socket server environments.

Why These Specs Matter

Built for the data center, the Samsung M386A8K40BM1-CRC is a 64GB DDR4-2400 Registered DIMM engineered to eliminate the memory bottlenecks that threaten modern server infrastructure. Its ECC error correction means silent data corruption from cosmic-ray bit flips is detected and repaired in real time, which is non-negotiable for in-memory databases like SAP HANA where a single undetected error can cascade into financial miscalculation. The Registered signal buffer is the backbone of stability at scale: in a dense virtualization cluster running dozens of VMs per node, unbuffered DIMMs struggle with electrical loading, causing intermittent crashes, whereas this RDIMM cleanly drives the 288-pin interface to keep every virtual machine responsive. Its quad-rank x4 organization maximizes capacity density while interleaving memory accesses, so a hypervisor can schedule more active vCPUs without saturating the memory bus. Combined with a massive 64GB per module and a low 1.2V operating voltage that shrinks thermal footprint across a full rack, this module translates directly into longer uptime for critical workloads, higher VM consolidation ratios, and faster, lossless query results from your most demanding analytics platforms.

Endurance & Reliability

General Virtualization
This 64GB DDR4-2400 RDIMM is ideal for dense virtualization hosts. Install six or eight identical modules in a dual-socket server to populate all memory channels, achieving 384GB or 512GB total capacity while maintaining balanced interleaving. The ECC and registered design ensure stability under dozens of concurrent VMs, and the lower 1.2V power helps control thermal loads in 24/7 operation.

In-Memory Database
For latency-sensitive in-memory databases like Redis or SAP HANA, deploy eight of these quad-rank DIMMs across two processors to reach 512GB—sufficient for caching large datasets entirely in RAM. The CL17 timing at 2400MT/s offers a predictable latency profile, and the ECC protection guards against data corruption during persistent, high-frequency read/write operations.

High-Performance Computing
In HPC clusters running simulation or modeling workloads, use one DIMM per populated channel (typically 8 or 16 modules per node) to maximize bandwidth. The quad-rank x4 organization provides deeper bank interleaving, increasing effective memory throughput for memory-bound parallel applications. The power-efficient 1.2V operation and registered buffering allow stable scaling to multi-terabyte capacities in large configurations.

Verified Compatibility

Validated server memory – rigorously tested and compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ