General

Engineer's Note

This RDIMM is purpose-built for server platforms running memory-intensive workloads such as virtualization and in-memory databases, where its ECC and registered signal architecture ensure reliable data integrity under continuous operation. The dual-rank x4 configuration paired with a low CAS latency of CL7 optimizes command scheduling and bandwidth utilization, delivering stable performance in multi-DIMM enterprise environments.

Technical Specs & Insights

1. ECC protection silently corrects single-bit errors, ensuring financial and transactional data integrity in always-on server environments.
2. Registered buffering stabilizes the command and address bus, allowing dense memory populations without compromising signal quality in virtualization hosts.
3. Dual Rank x4 interleaving keeps memory banks fully utilized, boosting sustained throughput for consolidated virtual machines under heavy load.
4. 4 GB capacity fits lightweight application servers or dedicated network appliances, balancing essential service uptime with cost efficiency.
5. CL7 low latency cuts memory access delays, improving responsiveness for caching layers and real-time database operations.

Why These Specs Matter

The Micron MT36JSZF51272PZ-1G1F1BA is a DDR3-1066 registered DIMM purpose-built for server environments where unwavering uptime defines success. Its ECC actively corrects single-bit errors, shielding your virtualized cluster from silent data corruption—a flipped bit in a hypervisor’s memory can cascade into an entire VM farm outage, making this detection a non-negotiable insurance policy. The registered buffer isolates the memory controller from electrical loading, so you can populate every slot without signal degradation, directly supporting dense virtualization and large memory reservoirs for database instances. Inside an in-memory database like Redis or a demanding financial analytics engine, the dual-rank x4 organization interleaves internal banks to sustain higher bandwidth; millions of transactions per second no longer stall on memory bottlenecks. Combined with a short CAS latency of seven cycles, query latencies shrink, delivering the real-time responsiveness that in-memory computing demands. These four intertwined attributes—error correction, signal registering, dual-rank throughput, and low latency—transform a deceptively modest 4GB module into a reliability anchor, safeguarding your enterprise workloads where precision is paramount.

Endurance & Reliability

General Virtualization
Install one 4GB DDR3-1066 registered DIMM per memory channel to maintain interleaving and predictable performance. In a dual-socket server with three channels per CPU, populating six modules delivers 24GB, suitable for modest virtualized workloads. To grow capacity, add a second identical DIMM per channel (12 modules for 48GB), accepting a slight frequency trade-off while preserving balance.

In-Memory Database
Maximize total capacity by filling every available DIMM slot with these ECC RDIMMs. A 24-slot dual-socket platform can reach 96GB using two DIMMs per channel, which supports large in-memory datasets with data integrity. Prioritize capacity over peak speed, as the large footprint directly benefits database residency and crash resilience.

High-Performance Computing (HPC)
Configure one 4GB dual-rank RDIMM per channel in a quad-channel system to run at full memory speed with optimal electrical loading. This 16GB-per-CPU setup delivers the sustained bandwidth required for latency-sensitive simulations. If problem sizes demand more memory, test a two-DIMM-per-channel layout, but monitor any bandwidth reduction that could lower HPC throughput.

Verified Compatibility

Rigorously tested, this RDIMM fits Dell R720, HP DL380p Gen8, Lenovo x3550 M4.

FAQ