General

Engineer's Note

This 16GB DDR3-1600 Registered ECC RDIMM, with a low operating voltage of 1.35V and dual-rank x4 organization, is engineered for legacy server platforms where data integrity and stability under heavy load are critical. It excels in virtualized environments and memory-intensive workloads such as in-memory databases, delivering reliable 72-bit ECC error correction alongside registered signal buffering to maintain signal integrity across fully populated channels.

Technical Specs & Insights

1. ECC protection proactively detects and corrects single-bit memory errors, safeguarding transactional integrity in databases and financial workloads where data corruption is unacceptable.
2. Registered signal type buffers the command and address lines, enabling large memory populations per server node to maximize virtual machine density without compromising signal stability.
3. Dual Rank x4 architecture interleaves data across two internal rank groups per DIMM, sustaining high bandwidth utilization for latency-sensitive enterprise applications under simultaneous access.
4. 16 GB capacity per module allows dense memory configurations in a limited socket count, providing the headroom needed for memory-hungry virtualization hosts and in-memory analytics.
5. 1.35V low-voltage operation reduces overall power draw in fully populated racks, cutting cooling overhead and energy costs while maintaining reliable data center performance.

Why These Specs Matter

Identify the type: This is a server memory module, evidenced by RDIMM, ECC, Registered, and 240-pin configuration. Here is the explanation:

In dense server environments, the MT36KSF2G72PZ-1G6E1KF module is engineered to eliminate the silent threats that cripple data integrity and uptime. Its ECC technology continuously detects and corrects single-bit memory errors caused by cosmic radiation or electrical noise—without halting operations—so a financial transaction database or a clinical records system never writes corrupted values to permanent storage. The registered signal buffer re-drives command and address lines, allowing you to populate all 24 DIMM slots in a virtualization host without degrading signal quality; this directly translates to packing more virtual machines per physical node and avoiding memory-related hypervisor crashes under heavy consolidation. Operating at 1.35V instead of the standard 1.5V lowers each DIMM’s thermal footprint, which compounds into significant cooling savings across a rack full of nodes and reduces the risk of thermal throttling during sustained in-memory analytics. Finally, the dual-rank x4 organization interleaves requests across two internal sets of DRAM pages, delivering higher sustained bandwidth for latency-sensitive workloads like Redis or SAP HANA—because when milliseconds matter, parallel page access ensures your key-value lookups never stall behind a single bank refresh. Together, these design choices turn a 16 GB stick into a building block for resilient, scalable infrastructure where data fidelity and predictable low latency are non-negotiable.

Endurance & Reliability

Capacity Planning Guidance for DDR3-1600 ECC Registered Server Memory (16GB RDIMM)

The specified module is a 16GB DDR3-1600 ECC Registered RDIMM operating at 1.35V—a server‑class memory ideal for platforms requiring data integrity and sustained throughput. Below are configuration recommendations for typical data‑centre workloads.

General Virtualization
For hypervisor hosts running multiple moderate virtual machines, populate at least four identical modules (64GB total) across memory channels to balance capacity and bandwidth. Leverage the ECC and registered features to maintain stability under mixed workloads. Scale to six or eight modules (96–128GB) if VM density increases, ensuring each populated channel uses matched dual‑rank x4 DIMMs for optimal interleaving.

In‑Memory Database
In‑memory databases (e.g., Redis, SAP HANA) demand low latency and large, contiguous memory pools. Install six or eight modules (96–128GB) distributed evenly across all memory channels to maximize bandwidth and support rank interleaving. The 1.35V operation reduces thermal stress during constant access, while the dual‑rank x4 organization helps lower effective latency under heavy transactional loads.

High‑Performance Computing (HPC)
HPC clusters benefit from both capacity and parallel memory access. Equip each node with a full complement of eight 16GB RDIMMs (128GB total) to fully populate dual‑socket systems with four channels per CPU. This configuration saturates memory bandwidth, accelerates large‑scale simulations, and the registered nature maintains signal integrity at scale. For dense compute nodes, this balance of capacity and speed is essential.

Verified Compatibility

Rigorously tested server DDR3 RDIMM, compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, Lenovo System x3650 M4.

FAQ