General

Engineer's Note

Designed for enterprise server environments, this Samsung M393B4G70EMB-CK0 32GB DDR3-1600 RDIMM leverages ECC and registered signaling to ensure data integrity and signal stability under heavy memory loads. Its quad-rank x4 configuration provides high capacity per channel, making it well-suited for memory-intensive workloads such as virtualization hosts and in-memory databases where reliability and density are critical.

Technical Specs & Insights

1. ECC error correction detects and corrects single-bit memory faults in real time, preserving data integrity for mission-critical enterprise workloads where even silent corruption is unacceptable.

2. Registered signal buffering decouples electrical loads from the memory controller, enabling large-capacity configurations to run stably across fully populated server nodes under sustained heavy throughput.

3. Quad Rank x4 organization packs four logical ranks per module, maximizing capacity per channel without sacrificing signal quality—essential for hypervisor hosts running dense virtual machine fleets.

4. 32GB capacity per stick allows a single 2-socket server to host markedly more virtual machines or large in-memory databases, pushing consolidation ratios higher while keeping bay slots free for future scaling.

5. 1600MHz transfer speed delivers substantial memory bandwidth per channel, keeping latency in check during concurrent transactional processing and real-time analytics on multi-core enterprise platforms.

Why These Specs Matter

The M393B4G70EMB-CK0 is an RDIMM engineered for server environments, where every bit of data integrity and every clock cycle of uptime matters. Its ECC technology actively detects and corrects single-bit memory errors, directly preventing silent data corruption in financial transaction logs or patient records — the kind of fault that would otherwise cascade into costly outages. The registered (buffered) design stabilizes the electrical load on the memory bus, letting you populate all 24 DIMM slots in a 2U virtualization host without signal degradation, which is essential when you need 768 GB of reliable RAM to support dozens of mixed-load VMs. The quad‑rank x4 organization pushes capacity per module to 32 GB using legacy DDR3-1600 speeds, but more importantly, it enables memory interleaving that raises sustainable bandwidth for in‑memory databases like SAP HANA or large Redis clusters. Even with a CAS latency of 11 at 1.5V, this module delivers the determinism and massive addressable memory that keep a consolidated server farm running transactions smoothly under peak load, while meeting strict compliance standards.

Endurance & Reliability

General Virtualization
This is server-class DDR3 Registered ECC memory, designed for multi-socket platforms. For general virtualization, populate at least four modules across memory channels to enable quad-channel mode, providing a balanced 128 GB pool. This configuration supports moderate VM density while maintaining ECC protection; scale to eight modules for 256 GB if you expect heavier consolidation.

In-Memory Database
In-memory databases demand maximum capacity and low latency. Fill all available DIMM slots with these 32 GB quad-rank RDIMMs, targeting 512 GB or more. Be aware that quad-rank modules often impose speed reductions—you may need to drop to 1333 MHz or limit two modules per channel to maintain signal integrity while achieving tightest CAS latency profiles.

High-Performance Computing (HPC)
HPC workloads prize bandwidth as much as capacity. Install one DIMM per channel initially to sustain the full 1600 MHz speed, yielding strong stream performance. If memory footprint grows, scale to two modules per channel, but anticipate a slight clock-down. Eight identical M393B4G70EMB modules provide 256 GB and a near-optimal balance of capacity and throughput.

Verified Compatibility

Rigorously tested for DDR3 servers. Compatible with Dell PowerEdge R720, HP DL380p Gen8, Lenovo x3650 M4.

FAQ