General

Engineer's Note

Designed for server platforms, this 16GB DDR3-1600 Registered ECC module (M393B2G70BH0-CK0Q8) is ideally suited for virtualization clusters and in-memory databases where data integrity under heavy load is paramount. Its dual-rank x4 organization and registered signal architecture stabilize multi-DIMM channels at 1.5V, while ECC error correction actively mitigates single-bit soft errors to sustain 24/7 operational reliability.

Technical Specs & Insights

1. Registered signal type buffers command and address signals, allowing servers to scale to higher memory capacities without sacrificing signal integrity across fully populated DIMM slots.
2. ECC error correction detects and corrects single-bit memory errors in real time, preserving data integrity for financial transactions and mission-critical enterprise workloads.
3. Dual Rank x4 organization interleaves memory accesses across multiple banks, keeping server memory channels saturated and delivering predictable latency under heavy virtualization density.
4. Sixteen-gigabyte capacity per module boosts overall memory footprint per server node, enabling larger VM pools and in-memory database caches without swapping to slower storage.
5. Sixteen-hundred-megahertz data rate supplies ample bandwidth to feed multi-core server CPUs, accelerating simultaneous query processing and reducing bottlenecks in content delivery applications.

Why These Specs Matter

When deploying mission-critical server infrastructure, this Samsung M393B2G70BH0-CK0Q8 RDIMM directly addresses the risks that keep data center architects awake at night. Built on DDR3-1600 technology with a 16GB capacity, its four defining traits transform server reliability and performance. The built-in ECC engine silently corrects single-bit memory errors before they corrupt transactional data in a financial database or cause silent data degradation in a dense virtualization cluster, where a stray cosmic particle can flip a bit and cascade into a hypervisor failure. That protection is reinforced by the Registered signal buffer, which stabilizes the command path when all 24 DIMM slots in a 2U node are populated—eliminating the signal loading issues that would otherwise limit VM density. Dual Rank x4 organization then delivers critical interleaving advantages: a Redis in-memory store or SAP HANA instance sees substantially higher sustained bandwidth because concurrent accesses are striped across both ranks, cutting latency under heavy concurrent queries. With a 1600MHz clock and CL11 timing, the module balances throughput with deterministic response, ensuring your virtualized workloads enjoy consistent performance without the jitter that erodes end-user trust.

Endurance & Reliability

The M393B2G70BH0-CK0Q8 is a 16 GB DDR3-1600 Registered ECC DIMM (RDIMM) with dual-rank x4 organization, engineered for server platforms. Its ECC and registered signaling deliver high capacity and data integrity under multi-socket workloads.

General Virtualization
Populate at least six slots (96 GB) with this module for a mid-range hypervisor, scaling to 128 GB across eight channels. This provides safe memory overcommitment headroom while ECC prevents costly VM crashes and hypervisor instability.

In-Memory Database
For databases like SAP HANA, fully load all memory channels with identical 16 GB RDIMMs—target 256 GB or more per socket. Uniform dual-rank modules ensure consistent low latency and avoid rank contention, critical for real-time query performance.

High-Performance Computing
Equip each compute node with eight 16 GB RDIMMs per CPU (128 GB), operating at the rated 1600 MT/s. The dual-rank x4 design maximizes memory bandwidth, and ECC is mandatory to prevent silent data corruption during long-running simulations.

Verified Compatibility

Rigorously tested, this server memory is compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, and IBM x3650 M4.

FAQ