General

Engineer's Note

Targeted for legacy server platforms, this Samsung M393B5270CH0-CK0 DDR3-1600 registered ECC RDIMM delivers the data integrity and uptime required for memory-intensive workloads such as virtualization, in-memory databases, and entry-level enterprise storage. Its single-rank x4 organization and CL11 latency offer balanced signal stability and moderate access speeds at the standard 1.5 V operating voltage, ensuring reliable 24/7 operation in dual-processor configurations that depend on registered command/address buffering.

Technical Specs & Insights

1. The Registered signal type buffers command and address inputs, allowing a single server channel to reliably support multiple DIMMs and maximize memory capacity for large-scale virtualization.
2. ECC error detection and correction safeguards against silent data corruption, which is essential for mission-critical server applications like databases and financial processing.
3. A 4GB module capacity provides a cost-effective building block for modest server memory configurations or embedded appliances, keeping power and licensing costs predictable.
4. The 1600MHz clock speed delivers up to 12.8GB/s of memory bandwidth per channel, reducing latency in data-intensive workloads such as caching and real-time analytics.
5. DDR3 technology offers a mature, power-efficient foundation with widespread ecosystem support, making it ideal for refreshing legacy server fleets without infrastructure overhauls.

Why These Specs Matter

The Samsung M393B5270CH0-CK0 is a 4GB DDR3-1600 Registered DIMM with ECC, purpose-built for server environments where uptime and data fidelity are non-negotiable. Its four critical attributes directly address the severe cost of memory errors in enterprise computing. First, ECC protection continuously detects and corrects single-bit errors. In an in-memory database, an uncorrected bit flip would silently corrupt financial records or inventory counts, ultimately leading to flawed business decisions; this module eliminates that risk by safeguarding every transaction around the clock. Second, the registered buffer re-drives address and command signals, stabilizing the electrical load when all memory channels are fully populated. For a virtualization cluster hosting dozens of VMs, this means you can install the large capacity your hypervisors demand without timing degradation or sudden crashes under heavy consolidation. Third, the single-rank x4 organization delivers superior command pipelining and bandwidth efficiency under concurrent access, directly accelerating the response of hypervisors and heavy database queries. Finally, the proven 1600MHz speed with CL11 timing provides a predictable balance of throughput and reliability, eschewing the instability of overclocked modules so your 24/7 operations remain consistently responsive.

Endurance & Reliability

General Virtualization
For general virtualization hosts running multiple VMs, populate at least six to eight identical M393B5270CH0-CK0 modules to balance memory bandwidth and capacity across all memory channels. Configure a symmetrical layout (e.g., 6×4GB or 8×4GB) to leverage Registered ECC reliability, aiming for 24–32GB total to handle moderate consolidation without overcommitting memory.

In-Memory Database
In-memory databases demand low latency and absolute data integrity, so deploy the maximum supported modules in a balanced multi-channel configuration—typically 12×4GB or 16×4GB for 48–64GB. The ECC and registered design of these single-rank RDIMMs ensures consistent CAS 11 timing under heavy transactional loads, reducing stall cycles during cache-intensive operations.

High-Performance Computing
For HPC workloads scaling across nodes, populate every memory channel uniformly with one module per channel to maximize bandwidth while keeping capacity per core manageable. A common node build uses 8×4GB or 16×4GB using these DDR3-1600 RDIMMs, providing sufficient capacity for distributed memory parallelism and maintaining registered ECC to protect long-running simulations from silent data corruption.

Verified Compatibility

Engineered and rigorously tested for seamless compatibility with Dell PowerEdge R720, HP ProLiant DL380p Gen8, and other DDR3 server platforms.

FAQ