General

Engineer's Note

This DDR3-1600 Registered ECC RDIMM, with its dual-rank x4 configuration and 240-pin interface, is engineered for legacy server platforms requiring high data integrity in virtualization and in-memory database workloads. The registered signal type and ECC ensure stable signal buffering and single-bit error correction, making it ideal for sustaining reliability in dense, multi-DIMM configurations under continuous operation.

Technical Specs & Insights

1. ECC memory detects and corrects single-bit errors in real time, protecting transactional databases from silent data corruption that could compromise financial or healthcare records.

2. Registered signal logic buffers command and address lines, enabling large-scale server deployments to populate all DIMM slots without signal integrity degradation, which is vital for maximizing memory capacity in virtualization hosts.

3. 16 GB capacity per module allows dense memory configurations, supporting a higher number of concurrent virtual machines and in-memory workloads without immediate need for costly system upgrades.

4. 1600 MHz speed elevates memory bandwidth, directly accelerating parallel data processing in analytics and caching layers where every nanosecond of latency impacts query throughput.

5. Dual Rank x4 organization interleaves accesses across internal banks to maximize channel utilization, sustaining steady throughput under the bursty access patterns typical of multi-tenant cloud environments.

Why These Specs Matter

This 16GB DDR3-1600 Registered ECC RDIMM (MT36KSF2G72PZ-1G6E1H) delivers four critical capabilities for servers. ECC corrects single-bit errors on the fly, preventing silent corruption that could crash in-memory databases or trigger unpredictable VM failures—in a Redis cluster processing live transactions, that means transactions stay accurate. Registered buffering stabilizes high-density memory channels, essential when a virtualization host uses all DIMM slots to support dozens of VMs; without it, signal integrity issues lead to intermittent, hard-to-diagnose system crashes. The dual-rank x4 architecture leverages rank interleaving to boost effective bandwidth, reducing memory latency during live migrations and when multiple guest OSes simultaneously compete for I/O. And the 1600MHz clock ensures deterministic, low-latency access for latency-sensitive trading and analytics platforms. These features give your virtualized farm or in-memory database the data fidelity, uptime, and consistent throughput that business-critical workloads demand.

Endurance & Reliability

General Virtualization
For a dual-processor virtualization host with four memory channels per CPU, begin with one 16GB DDR3-1600 RDIMM per channel (8 modules, 128GB total). This evenly populates all channels, delivering full bandwidth for mixed workloads and leaving room for scaling. As VM density increases, add a second module per channel (16 modules, 256GB) to maintain balanced performance and reduce swap overhead.

In-Memory Database
In-memory databases demand maximum capacity and data integrity. Populate every available DIMM slot with these 16GB dual-rank ECC Registered modules—on a 24-slot server this yields 384GB of resilient memory. The ECC and registered signaling safeguard against errors during high-throughput transactions, while the dual-rank x4 organization helps rank interleaving improve access latency.

High-Performance Computing (HPC)
HPC nodes require balanced bandwidth and capacity. Install one 16GB RDIMM per memory channel on each CPU (commonly 16 modules, 256GB total) to perfectly match the processor’s memory controllers without incurring the speed drops that can come from fully populating all slots. This configuration supports large-scale parallel simulations and data sets while keeping memory access latency low and uniform across the cluster.

Verified Compatibility

This server memory is rigorously tested and compatible with Dell PowerEdge R720, HPE ProLiant DL380p Gen8, and similar platforms.

FAQ