General

Engineer's Note

Designed as a registered DDR3L RDIMM with ECC, this 8 GB module operating at 1.35 V and 1600 MHz (PC3-12800) is purpose‑built for server platforms running memory‑intensive workloads such as virtualization and in‑memory databases. Its dual‑rank x4 organization combined with registered signaling ensures robust signal integrity and data reliability across fully populated memory channels, while the ECC engine provides single‑bit error correction critical for maintaining data integrity in 24/7 enterprise environments.

Technical Specs & Insights

1. ECC protection silently corrects single-bit errors in real time, preserving data integrity for mission-critical workloads and preventing silent data corruption that could crash virtual machines.
2. Registered signal buffering stabilizes command and address lines across high-density memory configurations, enabling reliable operation with fully populated server boards under heavy load.
3. Dual Rank x4 organization interleaves access across multiple internal banks, maximizing channel utilization and delivering consistent bandwidth ideal for high virtualization density.
4. The low 1.35V supply significantly reduces power draw per DIMM, lowering datacenter cooling demands and improving total cost of ownership in large-scale deployments.
5. PC3-12800 bandwidth ensures steady throughput for memory-hungry applications like in-memory databases and consolidated virtual desktop infrastructure, where stalls directly impact user experience.

Why These Specs Matter

This Samsung RDIMM is engineered specifically for servers, where unplanned downtime directly translates to revenue loss. Its four defining characteristics resolve critical pain points in data center environments.

First, ECC error correction is your last line of defense against silent data corruption. In a virtualized cluster running multiple financial databases, a single bit-flip caused by background radiation can crash a transaction or poison a storage volume; ECC detects and corrects these errors in real time, preserving end‑to‑end data integrity. Second, the registered buffer architecture stabilizes high‑density memory configurations. When you populate a rack server with dozens of DIMMs to support memory‑hungry analytic engines, the register re‑drives address and command signals, eliminating electrical loading and enabling reliable operation even at full capacity. Third, the dual‑rank x4 organization maximizes interleaving and command efficiency, boosting sustained bandwidth for Redis or SAP HANA workloads where nanosecond memory latency dictates query throughput. Finally, the 1.35V operating voltage slashes power consumption per DIMM, which scales into substantial thermal and energy savings across a hyperscale deployment—lowering cooling overhead while maintaining 1600MHz speed. Together, these features mean fewer crashes, predictable performance under heavy load, and a more efficient infrastructure stack where business continuity is never negotiable.

Endurance & Reliability

General Virtualization
For general virtualization hosts running multiple VMs, populate at least six to eight identical M393B1K70EB0-YK0 modules across all memory channels to maximize bandwidth. A balanced configuration of 48 GB (6 x 8 GB) or 64 GB (8 x 8 GB) per server provides ample capacity for moderate consolidation ratios while maintaining low latency with registered ECC. Always install modules in matched sets of three or four per CPU to enable triple-channel or quad-channel interleaving and avoid performance penalties.

In-Memory Database
In-memory databases such as Redis or SAP HANA demand large, contiguous memory pools and absolute data integrity. Deploy a fully populated configuration with the maximum number of these 8 GB RDIMMs supported by the platform—typically 12 or 16 modules per socket for 96 GB or 128 GB total. The dual-rank x4 organization and ECC are critical to sustain high throughput and correct single-bit errors in real time without service interruption.

High-Performance Computing (HPC)
HPC clusters benefit from balanced memory bandwidth per core, so install one 8 GB DIMM per memory channel across all available channels—usually 8 or 12 modules per node. This yields sufficient capacity for large datasets while ensuring a symmetric NUMA topology. The 1600 MT/s speed and 1.35 V low-voltage operation help reduce overall power draw in dense compute racks, which is essential when scaling out hundreds of nodes.

Verified Compatibility

Verified rigorously tested server memory, compatible with Dell PowerEdge R720/R620, HP DL380p Gen8, IBM x3650 M4.

FAQ