General

Engineer's Note

This DDR3-1333 Registered ECC RDIMM is specifically engineered for server platforms, delivering critical data integrity and fault tolerance for memory-intensive workloads such as virtualization and in-memory databases. Its dual-rank x4 configuration with CL9 latency and registered signaling ensures enhanced signal integrity and stable operation in high-density, multi-DIMM configurations, maximizing platform reliability under sustained load.

Technical Specs & Insights

1. ECC protection automatically detects and corrects single-bit errors, preserving data integrity in mission-critical server environments like financial databases and virtualization clusters.
2. Registered logic strengthens signal integrity across fully populated memory channels, enabling stable operation in high-capacity server configurations without command errors.
3. Dual Rank x4 architecture uses bank interleaving to sustain consistent bandwidth under heavy simultaneous workloads, critical for maintaining VM responsiveness in dense consolidation scenarios.
4. A modest per-module capacity provides a granular and cost-effective building block, allowing precise memory sizing for mid-tier enterprise applications and branch-office servers.
5. Low column access stroke latency shrinks request-to-data turnaround time, giving transactional engines and in-memory caches the responsiveness needed for peak load throughput.

Why These Specs Matter

For server memory like the M393B1K70CH0-CH9, a registered DDR3-1333 RDIMM with ECC, every specification directly addresses the unforgiving demands of enterprise data centers. When you run a virtualization cluster hosting dozens of virtual machines, a single undetected bit flip in memory can cascade into corrupted guest operating systems or silent data loss. The module’s error-correcting code (ECC) automatically detects and corrects these single-bit errors, ensuring that your hypervisor maintains rock-solid data integrity without interruption. Moreover, the registered signal buffer stabilizes the command and address lines, allowing you to populate all 24 DIMM slots on a typical dual-socket server without signal degradation. This means you can scale to 192GB or more while keeping memory access reliable even under fully loaded conditions—crucial for in-memory databases like Redis or SAP HANA. Here, the dual-rank x4 organization shines by interleaving data across internal banks, effectively boosting sustained bandwidth for massive real-time analytics queries. With a CAS latency of 9 and a standard 1.5V operating voltage, the module balances responsive timing with manageable thermal output, which reduces cooling overhead in dense rack deployments. For your virtualized infrastructure or latency-sensitive database tier, this module is not just a component; it is the foundation of predictable performance and continuous uptime.

Endurance & Reliability

General Virtualization
For a virtualization host, populate all memory channels symmetrically with these 8 GB DDR3‑1333 RDIMMs. A dual‑socket server using 12 modules per CPU (96 GB total) comfortably runs dozens of light to medium VMs while maintaining balanced bandwidth and allowing future expansion.

In‑Memory Database
In‑memory databases demand maximum RAM footprint and consistent low latency. Fill every DIMM slot on the platform—a 24‑slot dual‑socket server yields 192 GB with these 8 GB ECC Registered modules. Pair strict symmetric population across channels and CPUs with rank interleaving to sustain the highest possible throughput for demanding datasets.

High Performance Computing
HPC applications are often bandwidth‑bound, so adopt a one‑DIMM‑per‑channel installation to hold the full 1333 MT/s speed and avoid signal degradation. A dual‑socket compute node equipped with eight modules (64 GB total, four per socket) strikes an optimal balance of bandwidth, density, and cost. Always mirror the DIMM layout identically across sockets to prevent NUMA bottlenecks.

Verified Compatibility

Tested and validated for Dell PowerEdge R720, R620, HP ProLiant DL380p Gen8, this Samsung 8GB DDR3-1333 RDIMM ensures reliable compatibility.

FAQ