General

Engineer's Note

This 16GB DDR3-1600 Registered RDIMM with ECC is engineered for server platforms, making it ideal for virtualization, in-memory databases, and workloads demanding uncompromising data integrity. The Registered signal type enhances signal stability under fully populated multi-DIMM configurations, while the Dual Rank x4 organization and 1.35V low-voltage operation optimize both memory bandwidth and power efficiency in dense rack deployments.

Technical Specs & Insights

1. ECC protection silently corrects single-bit memory errors, preserving data integrity in financial transactions and database operations where even a single flipped bit can cause costly corruption.
2. Registered signal buffering stabilizes high-capacity memory arrays, enabling a single server to pack more DIMMs per channel without compromising signal quality under heavy virtualization loads.
3. Dual Rank x4 organization interleaves memory accesses across two internal ranks, boosting bandwidth utilization and sustaining responsiveness as more virtual machines contend for shared resources.
4. 1.35V low-power operation reduces cooling overhead in dense rack deployments, directly cutting energy costs while maintaining reliable clock cycles in always-on enterprise environments.
5. 1600MHz clock speed delivers the throughput needed to accelerate in-memory analytics and caching tiers, shrinking query latencies when large datasets cannot wait.

Why These Specs Matter

The Samsung M393B2G70CB0-YK0 is a 16GB DDR3 Registered DIMM engineered for enterprise servers where downtime is not an option. Its four defining characteristics directly solve real-world data center challenges. First, ECC error correction actively detects and fixes single-bit memory errors caused by cosmic radiation or electrical noise. In a virtualized cluster running dozens of VMs per host, a silent bit flip in a hypervisor’s memory can corrupt live migration states or crash multiple tenants—ECC prevents this invisible threat, safeguarding service-level agreements. Second, the registered signal buffer stabilizes command and address lines, enabling a server to fully populate all memory channels with high-capacity modules without signal degradation. For an in-memory database like SAP HANA or Redis, this means scaling to terabyte-sized working sets while remaining rock-solid under heavy concurrent access. Third, the dual-rank x4 organization leverages rank interleaving to parallelize data transfers, increasing sustained bandwidth by up to 15% in streaming analytical workloads. When a financial trading system replays millions of tick-data events, that throughput gain directly translates to faster insights. Finally, the 1.35V low-voltage operation cuts power consumption by roughly 20% compared to standard 1.5V DDR3, dramatically lowering electricity and cooling costs in a dense rack populated with hundreds of modules. Together, these features deliver the reliable capacity, performance, and efficiency that mission-critical server environments demand.

Endurance & Reliability

General Virtualization
For dense virtualization hosts, deploy six to eight of these 16 GB DDR3L RDIMMs per CPU to reach 96–128 GB of low‑voltage registered memory. The 1.35 V operation reduces power and cooling overhead across dozens of VMs, while ECC protection guards against data corruption in multi‑tenant environments. Populate identical dual‑rank x4 modules in balanced channels to maintain consistent latency and maximize memory bandwidth for hypervisor overhead.

In‑Memory Database
Populate all available DIMM slots with these CL11 16 GB RDIMMs, targeting 256 GB or higher on a dual‑socket server. The registered ECC design and 1600 MHz speed deliver the stability required for large Redis or SAP HANA datasets. Use a 2‑DPC (DIMMs per channel) configuration where possible—dual‑rank x4 modules at one or two per channel keep latency low while providing the capacity headroom for real‑time analytics.

High‑Performance Computing
Configure clusters with one 16 GB RDIMM per memory channel to avoid performance drops from rank‑multiplexing penalties. A typical node with 8 channels per CPU yields 128 GB of ECC‑protected DDR3‑1600, balancing cost and bandwidth for simulation and modeling workloads. The 1.35 V registered signalling ensures signal integrity across many modules in dense rack servers, critical for scaling MPI jobs without memory errors.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, Lenovo ThinkServer RD630.

FAQ