General

Engineer's Note

Suitable for legacy servers and storage platforms, this 8 GB DDR3-1600 RDIMM with ECC and registered logic delivers the data integrity and stability essential for virtualization, memory-resident databases, and other mission‑critical workloads. Its 1.35 V low‑voltage operation combined with a single‑rank x4 organization reduces power consumption and command/address bus loading while maintaining reliable 11‑cycle CAS latency, optimizing throughput in dense multi‑DIMM configurations.

Technical Specs & Insights

1. An eight-gigabyte capacity per module provides a cost-effective memory footprint for lightweight virtualization hosts and entry-level database servers, balancing density with budget.
2. ECC protection automatically corrects single-bit errors in real time, preserving data integrity for financial transactions and preventing silent corruption during extended uptime.
3. Registered signal buffering isolates the memory controller from electrical loading, allowing fully populated channels to operate stably across large-scale server deployments.
4. DDR3-1600 data rate delivers sufficient bandwidth for concurrent request handling in web and caching tiers, maintaining responsive service under moderate consolidation workloads.
5. Ultra-low 1.35V operation cuts per-DIMM power consumption, reducing overall cooling demands and energy costs in dense rack environments.

Why These Specs Matter

The M393B1G70EB0-YK003 is a DDR3 Registered ECC memory module purpose-built for server workloads. Its registered buffer allows you to install high-density memory configurations reliably, directly addressing the pain point of signal degradation when scaling virtualized environments. With ECC error correction, single-bit errors are detected and fixed on the fly, so your hypervisor and in-memory databases avoid silent corruption that could bring down business-critical operations. The 1.35V low-voltage design cuts power draw per DIMM, meaning thousands of modules in a data center yield significant savings on electricity and cooling. In an in-memory database scenario like Redis, the 1600MHz frequency and single-rank x4 layout provide stable, low-latency bandwidth that accelerates query responses without compromising accuracy, as ECC preserves data fidelity for every transaction. These capabilities—registered stability, ECC integrity, energy efficiency, and balanced 1600MHz throughput—mean you gain higher VM density, lower total cost of ownership, and unwavering data protection around the clock.

Endurance & Reliability

Server Memory Capacity Planning Guide

The Samsung M393B1G70EB0-YK003 is an 8GB DDR3-1600 Registered ECC RDIMM, designed for server platforms requiring data integrity and stability. Its 1.35V low-voltage operation reduces power consumption in dense deployments.

General Virtualization
For virtualized environments hosting multiple VMs, memory overcommitment is common but risky. Configure each host with at least 128GB (16 identical modules) to allow safe 5:1 overcommit for lightweight VMs, scaling up linearly as workload density increases. Always match DIMMs across channels for balanced NUMA performance.

In-Memory Database
In-memory databases like Redis or SAP HANA demand absolute stability. Populate all channels with identical 8GB RDIMMs for maximum capacity—192GB (24 modules per 2-socket system) is a typical entry point. Use the lowest CAS latency (CL11) and avoid mixing ranks; Single Rank x4 DIMMs minimize electrical loading for better signal integrity.

High-Performance Computing (HPC)
HPC workloads benefit from high bandwidth. Maximize memory channels by populating at least one DIMM per channel (e.g., 12 modules for 96GB in a dual-socket system with 12 channels). Consider 16GB RDIMMs if supported, but using the existing 8GB modules, a balanced 128GB configuration (16 modules) helps sustain streaming memory bandwidth for scientific simulations.

Verified Compatibility

This server memory is rigorously tested and compatible with Dell PowerEdge R720, HP DL380p Gen8, IBM x3650 M4, and similar.

FAQ