General

Engineer's Note

This VLP RDIMM DDR3-1333 module, with its registered signal topology and ECC, is engineered for dense server deployments where data integrity and memory capacity under virtualization or in-memory databases are paramount. The dual-rank x4 organization maximizes bank-level parallelism to sustain throughput, while the 1.35V low-voltage operation reduces thermal overhead in constrained chassis without sacrificing CL9 latency.

Technical Specs & Insights

1. ECC protection detects and corrects memory errors in real time, safeguarding transactional data integrity and preventing costly system crashes in always-on enterprise servers.
2. Registered signal buffering stabilizes command and address lines, enabling the deployment of high-capacity memory configurations without signal degradation in dense virtualized environments.
3. Dual Rank x4 organization maximizes channel utilization through interleaved accesses, sustaining consistent bandwidth for heavy multi-tenant and database workloads.
4. Very low-profile DIMM form factor frees up critical board space to improve airflow in compact rack servers, directly enhancing cooling efficiency and long-term reliability.
5. Operating at a reduced voltage minimizes power draw and thermal output, reducing data center energy costs while preserving robust RAS features for cloud-scale infrastructure.

Why These Specs Matter

The Micron MT36KDYS1G72PZ-1G4M1FE is a Very Low Profile Registered DDR3 memory module purpose‑built for server environments, where its four defining characteristics directly translate into tangible business resilience. Its ECC engine constantly detects and corrects single-bit memory errors. In a dense virtualization cluster running dozens of virtual machines, this prevents silent data corruption that could crash a critical database transaction or subtly alter financial records overnight. The registered signal path buffers command and address lines, stabilizing the electrical load so you can populate all twenty-four DIMM slots without signal degradation. That capacity headroom is essential for growing your hypervisor farm. Simultaneously, the dual‑rank x4 organization leverages rank interleaving, dramatically improving bandwidth during the read‑write mix typical of an in‑memory caching layer like Redis or a hot OLAP dataset. While one rank is serving data, the other pre‑charges, cutting latency under burst‑heavy queuing. Paired with a 1.35 V operating voltage, the module draws less power and generates measurably less heat inside a 1U rack chassis. Combined with its VLP form factor, which clears tight airflow channels, it lowers thermal throttling risk and your monthly cooling bill—turning every watt of the data center budget into usable performance.

Endurance & Reliability

General Virtualization
Equip all available memory channels with these 8GB low-voltage VLP RDIMMs for balanced population. A six‑ or eight‑module configuration delivering 48–64GB provides ample headroom for moderate VM density. The 1.35V operation reduces energy draw and cooling demands in dense server farms.

In‑Memory Database
Maximize capacity by filling every slot with dual‑rank, registered ECC modules. A 128GB setup (16 modules) keeps entire workloads in DRAM for real‑time analytics. ECC ensures data integrity under constant, latency‑sensitive transactional loads.

High‑Performance Computing
Populate all memory controllers symmetrically—eight identical 8GB modules for 64GB—to unlock full quad‑channel bandwidth. The 1333MHz, CL9 timing matches parallel computation needs, while the VLP form factor improves airflow in racked nodes.

Verified Compatibility

Rigorously tested server memory compatible with Dell PowerEdge R720, HPE DL380p Gen8, Lenovo x3650 M4, and more.

FAQ