General

Engineer's Note

This RDIMM is engineered for server platforms, where its ECC and registered signal buffering ensure data integrity and stable operation under heavy memory loads—ideal for virtualization and in-memory database workloads. The single-rank x4 organization with CL7 latency delivers efficient memory access and low command latency, optimizing throughput in dense multi-DIMM configurations.

Technical Specs & Insights

1. ECC detection and correction provides end-to-end data integrity, eliminating silent memory errors that could corrupt financial transactions or virtualization metadata.
2. Registered signal buffering stabilizes command and address buses, enabling dense memory populations across multiple DIMM slots without compromising signal quality in rack servers.
3. Two-gigabyte capacity per module serves as an efficient granular building block for right-sizing memory in lightweight virtualized environments or dedicated appliance servers.
4. 1066 megahertz clocked bandwidth supports steady data throughput, maintaining responsive service delivery under constant concurrent request loads.
5. CAS seven latency reduces the tick count between data request and delivery, lowering transaction latency for latency-sensitive enterprise applications.

Why These Specs Matter

The MT18JSF25672PY-1G1D1BA is unmistakably a server-grade memory module—an RDIMM with ECC and registered buffering built for environments where uptime and data fidelity are non-negotiable. In a virtualized cluster running multiple guest machines, its Error-Correcting Code actively detects and corrects single-bit memory errors caused by cosmic rays or electrical noise. For you, that means safeguarding a hypervisor from silent data corruption that could ripple across every hosted workload, preventing unexplained application crashes that erode user trust. The registered buffer on this 2 GB DDR3-1066 stick decouples the electrical load from the system’s memory controller, allowing stable population of all DIMM slots without signal degradation. This directly supports dense server configurations—imagine a memory-hungry in-memory database like Redis or Memcached where capacity scaling is essential. The single-rank x4 organization further optimizes bandwidth utilization by enabling efficient bank interleaving, lowering access latency under concurrent query storms. Combined with a tight CAS latency of 7 cycles, the module delivers prompt data retrieval that accelerates transaction processing. In high-frequency trading or real-time analytics, these characteristics aren’t just specifications—they are your assurance of deterministic performance and data integrity when every millisecond matters.

Endurance & Reliability

General Virtualization
For general virtualization hosts, multiple 2 GB RDIMMs can be combined to create a stable, moderate-density memory pool. Using six or twelve identical modules in balanced channels ensures registered ECC reliability for a hypervisor running 10–15 light VMs.

In-Memory Database
In-memory databases demand both capacity and data integrity, so populate all channels with identical 2 GB ECC RDIMMs. Aim for at least 12–18 modules to hold working sets fully in RAM, and leverage single-rank x4 organization for lower latency under heavy transactional loads.

High-Performance Computing
HPC clusters benefit from uniform, registered memory to sustain error-free computation across nodes. Install eight or sixteen 2 GB RDIMMs per node to balance bandwidth and capacity, using the 1066 MHz speed with CL7 for predictable, power-efficient throughput in sustained parallel workloads.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R710, HP ProLiant DL380 G7, and more.

FAQ