General

Engineer's Note

This 2GB DDR3-1333 registered ECC RDIMM is a server-grade module purpose-built for virtualization, memory-resident databases, and mission-critical workloads that demand strict data integrity. Its single-rank x4 design combined with registered signaling minimizes electrical loading on the memory bus, ensuring stable operation even in fully populated multi-DIMM server configurations.

Technical Specs & Insights

1. ECC detects and corrects single-bit errors on the fly, preserving uptime and data accuracy for mission-critical server applications.
2. Register logic reduces electrical loading on the memory bus, allowing high-density server configurations to operate reliably at rated speeds.
3. Single Rank x4 organization minimizes bank conflicts while providing strong error containment, critical for consistent performance in virtualized environments.
4. Tight CAS latency accelerates first-word access, lowering response times for in-memory databases and real-time transaction processing.
5. The memory's elevated transfer rate supplies ample bandwidth to keep pace with multi-core server processors, smoothing out heavy multitasking and VM migrations.

Why These Specs Matter

Based on the RDIMM specification, this is server-grade memory, and its four defining characteristics directly address the core challenges of enterprise computing. The ECC error correction is your last line of defense against bit-flip errors caused by cosmic radiation or electrical noise. In a virtualization cluster, a single undetected memory error cascading through multiple guest operating systems can corrupt file systems or crash dozens of workloads simultaneously. ECC ensures that silent data corruption is caught and corrected in real time, preserving service uptime and transaction integrity. Meanwhile, the registered signal buffer is critical for maintaining signal integrity when multiple DIMMs populate a server’s memory channels. As you scale a memory database like Redis or Memcached to handle millions of key-value operations per second, registered addressing stabilizes the command bus, preventing glitches that could trigger checksum failures or data loss under heavy load. The single-rank x4 organization optimizes interleaving, boosting bandwidth for parallel access patterns in analytics queries. Combined with the 1333MHz speed and CL9 latency, this module delivers predictable, consistent performance where every clock cycle counts, transforming raw reliability into measurable business continuity.

Endurance & Reliability

General Virtualization
For light to moderate virtualization workloads, populate six to eight modules for 12–16 GB per host, allowing stable multi-VM overhead with ECC protection. Distribute modules evenly across memory channels to maintain bandwidth and fault resilience, avoiding single-channel bottlenecks.

In-Memory Database
In-memory datasets require capacity and low latency; deploy twelve to sixteen modules to reach 24–32 GB, keeping data fully resident. Use identical single-rank x4 DIMMs in a balanced configuration to maximize bank-level parallelism and reduce access contention under high transaction rates.

High-Performance Computing
HPC nodes benefit from maximum channel utilization: install one DIMM per channel across all available slots, scaling to 48–64 GB with 24–32 modules on dual-socket systems. Prioritize population order per motherboard guidelines to sustain peak registered DIMM signaling at DDR3-1333 speeds, ensuring error-free vector computation throughput.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R710, HP ProLiant DL380 G7, Lenovo ThinkServer RD340.

FAQ