General

Engineer's Note

This 8GB DDR3L-1333 Registered ECC module, operating at 1.35V with a dual-rank x4 configuration, ensures exceptional data integrity and signal stability for legacy server platforms. It is ideally suited for virtualization environments and memory-resident database workloads where error correction and reliable registered buffering are critical for sustained uptime.

Technical Specs & Insights

1. A well-proportioned capacity keeps essential services and lightweight hypervisors running solely from in-RAM execution, eliminating swap-induced latency spikes under concurrent client requests.
2. ECC protection silently corrects single-bit errors as they occur, preserving transactional integrity for databases and preventing silent data corruption in long-running enterprise workloads.
3. Registered signal buffering stabilizes command and address lines when multiple DIMMs populate a channel, enabling denser server configurations without sacrificing reliability.
4. Dual Rank x4 chip organization maximizes bank-level parallelism and sustained bandwidth, directly improving virtual machine responsiveness in heavily consolidated server environments.
5. Low-voltage operation reduces overall power draw and thermal load per DIMM, lowering datacenter cooling costs and improving energy efficiency across large-scale server fleets.

Why These Specs Matter

The Micron MT36KSF1G72PZ-1G4 is an 8GB DDR3-1333 RDIMM built for enterprise servers, where its four core attributes directly solve critical pain points. First, ECC protection continuously corrects single-bit errors, preventing silent data corruption. In a memory database like SAP HANA, this keeps financial analytics absolutely accurate. Second, the registered buffer lets you populate all DIMM slots without signal degradation—essential for virtualization clusters hosting dozens of VMs, ensuring each VM has stable dedicated memory under full load. Third, the 1.35V low voltage cuts power consumption significantly compared to 1.5V, lowering electricity and cooling costs across server racks, delivering tangible TCO savings. Fourth, Dual Rank x4 uses bank interleaving to boost bandwidth; in an in-memory database, concurrent rank accesses keep the CPU fed during peak concurrency, minimizing latency. These four pillars provide data integrity, scalable virtualization, energy efficiency, and responsive performance for always-on services.

Endurance & Reliability

General Virtualization
For a virtualized environment, install identical 8 GB RDIMMs across all memory channels to enable balanced interleaving and maximize throughput. A typical dual-socket server with three channels per CPU benefits from six modules (48 GB) or twelve modules (96 GB), ensuring full channel population without performance gaps. Stick to homogeneous configurations to simplify memory allocation for multiple VMs.

In-Memory Database
In-memory databases demand the largest possible capacity to keep entire datasets resident. Populate every available DIMM slot with these 8 GB RDIMMs; for example, a four-socket platform with 48 slots can reach 384 GB using uniform dual-rank x4 modules. Maintain identical part numbers across all sockets to guarantee error-free operation and consistent latency under heavy transactional loads.

High-Performance Computing
HPC applications are sensitive to both bandwidth and latency. Achieve peak throughput by installing only one registered DIMM per channel, which allows the memory bus to sustain the full 1333 MHz speed without throttling. In a dual-processor node with quad-channel architecture, deploy exactly eight of these low-voltage RDIMMs (64 GB total) to deliver maximum floating-point throughput while keeping power consumption in check.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, Lenovo ThinkServer RD430.

FAQ