General

Engineer's Note

Optimized for enterprise servers and virtualization platforms, this Samsung DDR4-3200 Registered ECC DIMM ensures data integrity in memory-intensive workloads such as in-memory databases and large-scale virtualization. Its 16 GB capacity in a dual-rank x8 configuration delivers superior signal stability and high sustained bandwidth, while the CL22 latency balances responsive access with reliable, power-efficient 1.2 V operation.

Technical Specs & Insights

1. ECC error correction detects and corrects single-bit errors in real time, protecting financial transaction logs and long-running analytics from silent data corruption.
2. Registered signal type buffers the command and address bus, so a single server board can pack massive memory footprints without signal degradation as module count scales.
3. Sixteen gigabyte capacity per stick hits the density sweet spot for dense virtualization, letting you max out a two-socket node with enough headroom for hundreds of VMs.
4. DDR4-3200 speed delivers up to 25.6 gigabytes per second of per-channel bandwidth, slashing response times on in-memory databases under heavy query concurrency.
5. Dual Rank x8 organization interleaves internal banks to sustain higher effective throughput, keeping application tier latency steady when containers spin up in bursts.

Why These Specs Matter

For virtualized clusters and in-memory databases, memory is the bedrock of reliability and speed. The Samsung M393A2K43DB3-CWESM RDIMM transforms four critical attributes into real-world resilience. Its ECC technology instantly corrects single-bit errors, shielding your financial transactions from silent data corruption that ordinary memory ignores. The Registered buffer ensures signal integrity when every DIMM slot is filled, so a hypervisor running dozens of VMs never experiences a crash due to electrical noise. The dual-rank x8 architecture with 3200MT/s bandwidth then amplifies concurrency: VMs avoid stuttering during peak loads, while an in-memory database like Redis or SAP HANA sees higher query throughput thanks to smart interleaving and abundant bandwidth. Finally, 1.2V operation slashes power consumption across your server fleet, reducing cooling needs and operating expenses. This RDIMM doesn’t just store data; it safeguards uptime and performance where it matters most.

Endurance & Reliability

This 16GB DDR4-3200 Registered ECC DIMM (dual-rank, 1.2V, CL22) is purpose-built for servers that demand data integrity. Use the following capacity planning strategies to match your workload.

General Virtualization
Populate one DIMM per memory channel to balance cost, bandwidth, and capacity. With a dual-socket server offering eight channels per CPU, sixteen of these 16GB modules deliver 256GB — ideal for hosting 40–60 moderate VMs. Keep all channels identically filled to maintain symmetric memory access and avoid NUMA penalties.

In-Memory Database
For large datasets such as Redis or SAP HANA, install two DIMMs per channel (2DPC) to reach 512GB in an 8-channel dual-socket system. Dual-rank modules at 2DPC may step down to 2933 MT/s depending on the platform; verify BIOS settings if 3200 MT/s is critical. Prioritize capacity and ECC stability over marginal frequency gains.

High-Performance Computing
Configure a single DIMM per channel to achieve maximum memory bandwidth. Use identical 16GB modules across all channels — mixing capacities or ranks within a channel disrupts parallel data access, hurting MPI and simulation throughput. This uniform layout supplies consistent low-latency bandwidth essential for computational fluid dynamics or weather modeling.

Verified Compatibility

Validated server memory: compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650 V2, and more.

FAQ