General

Engineer's Note

Designed as a server-class DDR3 module, this 16GB RDIMM with ECC and Quad Rank x4 organization is optimized for virtualization and in-memory database workloads requiring high-capacity memory configurations. Its registered signal technology and low 1.35V operating voltage deliver improved electrical stability and reduced power consumption in dense 240-pin platforms, while the Quad Rank topology enables maximum DIMM capacity per channel for data-integrity-critical applications.

Technical Specs & Insights

1. Error-correcting code (ECC) memory detects and corrects single-bit errors in real time, virtually eliminating silent data corruption and ensuring transactional integrity for mission-critical databases.
2. Registered DIMM with an onboard buffer stabilizes signal integrity across heavily loaded memory channels, enabling fully populated configurations that maximize virtual machine density and database scalability.
3. Quad Rank x4 organization packs more memory ICs per module, increasing the per-channel capacity ceiling so large in-memory datasets and consolidated workloads run without bottlenecks.
4. A 16-gigabyte capacity per module serves as a high-density building block, letting you provision enough RAM per virtual machine to handle peak business loads without swapping to disk.
5. Low 1.35-volt operation reduces power draw and waste heat, cutting data center energy bills and allowing tighter server packaging without creating thermal throttling risks.

Why These Specs Matter

The Samsung M393B2G73CH0-YK0 is unmistakably a server-class memory module, designed as a 16GB DDR3-1600 Registered DIMM with ECC. For IT professionals managing mission-critical infrastructure, four inherent characteristics directly translate into tangible operational resilience. First, Error-Correcting Code (ECC) protection proactively detects and corrects single-bit memory errors caused by background radiation, preventing silent data corruption that could crash a virtual machine or poison a financial database record. Second, the registered signal type employs an on-module buffer to stabilize the command and address lines, allowing you to densely populate a server with 24 or more DIMMs per chassis without compromising signal integrity. This is indispensable for a high-density virtualization cluster where you need to pack hundreds of vCPUs and terabytes of RAM into a single footprint. Third, the Quad Rank x4 organization maximizes capacity per channel, delivering deep, balanced bandwidth for in-memory databases like SAP HANA or Redis; it keeps working datasets entirely in DRAM, so real-time analytics respond in microseconds instead of hitting latent storage. Finally, the 1.35V low-power operation significantly reduces thermal output and energy draw across a server farm, which means lower cooling overhead and a healthier bottom line for your data center without sacrificing the dependable 1600MHz speed your applications demand.

Endurance & Reliability

Server Memory Identified
This is a DDR3-1600 Registered ECC RDIMM (16GB, 1.35V, Quad Rank x4). It is designed for legacy server platforms that require registered memory with error correction, typically supporting large total capacities and multi-channel architectures (e.g., triple or quad-channel). Below are capacity planning recommendations for key server workloads.

General Virtualization
Virtualization thrives on abundant, reliable memory. Deploy six or eight of these 16GB modules across all memory channels (e.g., 6×16GB = 96GB or 8×16GB = 128GB) to balance cost and VM density. Populate identical modules per channel to maintain NUMA balance and memory interleaving, ensuring consistent performance for mixed-tenant environments.

In-Memory Database
Low-latency databases like Redis or SAP HANA demand the largest possible memory footprint. Maximize capacity by fully populating all DIMM slots with these 16GB quad-rank RDIMMs—common 2-socket servers can reach 256–512GB. Given the 1.35V low-voltage design, thermal load remains manageable even at high density. Prioritize rank interleaving for maximum throughput.

High-Performance Computing (HPC)
HPC applications require high bandwidth and strict data integrity. Install these RDIMMs in a balanced configuration matching the CPU’s memory channels (e.g., 8 modules per socket for quad-channel systems). Quad-rank DIMMs deliver superior bandwidth via rank interleaving but limit maximum speed; stick to POPULATED configurations that allow the rated 1600 MT/s. ECC is mandatory to prevent silent data corruption during long-running simulations.

Verified Compatibility

Stringent tested. Confirmed compatible with Dell PowerEdge R720, HPE DL380p Gen8, IBM x3650 M4.

FAQ