General

Engineer's Note

This DDR3-1600 Registered ECC RDIMM is engineered for server platforms demanding high data integrity, making it ideal for virtualization, in-memory databases, and mission-critical workloads. Its dual-rank x4 organization with registered signaling enhances memory bus stability and capacity scaling, while ECC protection ensures robust single-bit error correction to safeguard transactional accuracy.

Technical Specs & Insights

1. ECC memory detects and corrects single-bit errors in real time, preventing silent data corruption that could crash critical enterprise workloads.
2. Registered signal buffering stabilizes the command and address buses, enabling large-scale server deployments to populate all DIMM slots without signal degradation.
3. Dual Rank x4 organization interleaves access across multiple banks, sustaining throughput under heavy virtualization and in-memory database loads.
4. Sixteen gigabyte capacity per module allows meaningful VM density per server node, reducing the need for costly scale-out in mid-tier data centers.
5. 1.35V low-voltage operation trims overall rack power draw and cooling overhead, directly lowering TCO in always-on cloud infrastructure.

Why These Specs Matter

The Samsung M393B2G70EB0-YK0Q3 is a server-grade DDR3 RDIMM, purpose-built for reliability-driven data centers. Its defining traits translate directly into uptime and performance in real-world deployments. First, ECC error correction continuously detects and repairs single-bit memory errors, which is non-negotiable in an in-memory database like Redis or SAP HANA—a single uncorrected bit flip could corrupt transactional records or crash the instance, so ECC ensures data integrity around the clock. Second, the registered signal buffer stabilizes command and address lines when populating multiple DIMMs per channel. In a dense virtualization cluster running dozens of VMs, this prevents signal degradation and allows all 16 GB to remain fully addressable without compromising stability during live migration. Third, the 1.35 V low-voltage operation dramatically reduces thermal output and energy draw across a rack full of nodes, cutting cooling costs and extending component lifespan in colocation environments. Finally, the dual-rank x4 organization increases bank-level parallelism, delivering higher sustained bandwidth for workloads like real-time analytics where large datasets stream through memory. Together, these features mean you can scale virtualization hosts confidently and run memory-hungry databases with the assurance that every transaction remains accurate, swift, and energy-efficient.

Endurance & Reliability

Capacity Planning for Samsung M393B2G70EB0-YK0Q3

Identified as server-grade memory (DDR3-1600, ECC Registered RDIMM, 1.35V, 16GB), this module fits virtualization, databases, and HPC. Below are deployment recommendations per workload.

General Virtualization
Balance capacity across memory channels to maintain throughput. In a dual-socket server with 12–24 slots, install at least six identical 16GB DIMMs (96GB) per CPU to support moderate VM density. Populate symmetrically to enable NUMA-optimized memory access and avoid bandwidth bottlenecks.

In-Memory Database
Maximize capacity and data integrity. Fully populate all channels — for example, 24 modules (384GB) in a 2-socket platform — to build a large, unified memory pool. Use memory sparing or mirroring modes for fault resilience. The 1.35V low-voltage rating curbs power draw in dense configurations, reducing cooling demands.

High-Performance Computing (HPC)
Prioritize peak bandwidth per core. Adopt one DIMM per channel (1DPC) to sustain 1600MT/s without clock-speed penalties. A common compute-node setup uses eight modules (128GB), delivering sufficient headroom for simulation checkpoints and iterative solvers. ECC registration guards against silent data corruption during multi-day parallel runs.

Verified Compatibility

Strictly tested, compatible with Dell PowerEdge R720/R620, HP DL380p Gen8, and more.

FAQ