General

Engineer's Note

This Samsung M392B1G73BH0-CK0 is a server-grade DDR3 VLP RDIMM engineered for dense virtualization and memory-intensive workloads like in-memory databases, where its ECC and registered signal architecture ensure data integrity and robust signal stability across populated multi-DIMM channels. The dual-rank x8 organization maximizes capacity within a very low-profile form factor while maintaining a reliable 1600MHz throughput at CL11, making it ideal for thermally constrained 1U rack servers and blade enclosures.

Technical Specs & Insights

1. An 8GB capacity supplies ample memory for lightweight virtualized environments, boosting VM density on a single host without forcing expensive hardware upgrades.
2. 1600MHz clock speed delivers steady throughput for simultaneous database queries and caching, keeping latency-sensitive enterprise applications responsive under load.
3. ECC protection actively corrects single-bit errors in real time, preventing silent data corruption that could compromise financial records or long-running analytics.
4. Registered buffering stabilizes signal integrity across fully loaded memory channels, enabling dependable scalability in multi-DIMM server deployments.
5. Very low-profile RDIMM form factor integrates effortlessly into space-constrained blade and 1U chassis, improving airflow and thermal margin in densely packed racks.

Why These Specs Matter

The M392B1G73BH0-CK0 is a DDR3-1600 Registered ECC Very Low Profile RDIMM, purpose-built for server environments where compromise is not an option. In a virtualized cluster running dozens of VMs per host, the ECC engine is your silent guardian—it corrects single-bit memory errors on the fly, preventing the silent data corruption that can crash hypervisors or slowly poison a critical in-memory database like Redis or SAP HANA. The Registered architecture buffers command and address signals, which means you can fully populate all memory channels without signal degradation. For an IT architect, that translates directly to dense, 384GB+ per 1U node configurations that run multi-tenant workloads with absolute stability. Dual Rank x8 organization enables the memory controller to interleave accesses across internal banks, effectively hiding refresh and precharge latencies. This delivers measurably higher sustained bandwidth during parallel query execution and live VM migrations, where every stalled cycle costs real productivity. Finally, the Very Low Profile form factor minimizes airflow obstruction in tightly packed rack servers, keeping thermals in check so your 24/7 operations stay cool and reliable. Together, these four traits are not just technical footnotes—they are the foundation of data integrity, scalable capacity, responsive throughput, and thermal resilience in your data center.

Endurance & Reliability

General Virtualization
For general virtualization hosts, populate a balanced number of identical 8GB VLP RDIMMs across memory channels to maximize bandwidth while maintaining reasonable density. A common configuration uses 6 to 8 modules (48–64GB total), placing an equal DIMM per channel in a dual-socket server to enable NUMA-aware interleaving. This provides enough headroom for dozens of light to medium VMs without wasting the ECC and registered capabilities that ensure stability under sustained uptime.

In-Memory Database
In-memory databases demand maximum capacity and reliability, so fill all available DIMM slots with these 8GB registered ECC modules—often 12 or 16 modules for 96–128GB per host. Dual-rank x8 organization helps sustain throughput under heavy transactional loads, and the ECC protection is critical to prevent data corruption during large in-memory sorts and indexes. Opt for balanced population across all memory controllers to avoid performance hotspots.

High-Performance Computing (HPC)
HPC clusters favor memory bandwidth as much as capacity, so install six or eight modules per node in a balanced multi-channel configuration (e.g., one DIMM per channel). With DDR3-1600 at CL11 and dual-rank design, interleaving across all channels delivers the sustained bandwidth needed for simulation checkpoints and iterative solvers. ECC is essential to safeguard long-running parallel jobs, while VLP form factor helps improve airflow in dense rack deployments.

Verified Compatibility

Server validated: rigorously tested, compatible with Dell R720/R620, HP DL380p Gen8, Lenovo x3650 M4, Cisco C220 M3.

FAQ