General

Engineer's Note

This Samsung DDR3-1600 registered ECC RDIMM, with its dual-rank x8 organization and registered signaling, delivers the signal integrity and data reliability required for dense server memory configurations in virtualization and in-memory database platforms. Operating at a low 1.35V with CL11 latency, it provides an efficient balance of power savings and consistent performance for sustained 24/7 enterprise workloads.

Technical Specs & Insights

1. ECC protection actively detects and corrects single-bit memory errors, preventing silent data corruption in transactional databases and financial processing workloads.
2. Registered signal buffering stabilizes electrical loads when populating all memory channels, enabling fully loaded servers to maintain uptime during heavy multi-tenant operations.
3. Dual Rank x8 organization interleaves access across internal banks, sustaining high throughput for virtualized environments where numerous VMs contend for memory bandwidth.
4. 1600MHz clock speed delivers up to 12.8 GB/s peak bandwidth per channel, reducing latency in large in-memory caches and real-time analytics applications.
5. 1.35V low-voltage operation lowers thermal dissipation per DIMM, cutting data center cooling costs while preserving energy efficiency across dense rack deployments.

Why These Specs Matter

The Samsung M393B1G73BH0-YK009 is an 8GB DDR3 server RDIMM, purpose-built for enterprise environments where downtime is not an option and efficiency drives total cost of ownership. Its registered architecture with ECC is your first and most critical line of defense against soft errors in memory-intensive virtualization clusters. When a hypervisor is running dozens of VMs on a single host, an uncorrected bit-flip can silently corrupt a database transaction or crash an entire node; the module’s error correction ensures data integrity at the hardware level, preventing these invisible threats from cascading into service outages. The registered buffer stabilizes signal distribution across the memory bus, making it possible to populate multiple DIMMs per channel without compromising speed—a practical necessity when scaling to hundreds of gigabytes for dense in-memory databases like SAP HANA or real-time analytics platforms. Operating at a low 1.35V, the module reduces thermal load and power draw in fully populated racks, directly translating into lower cooling costs and higher rack density. Finally, the dual-rank x8 organization leverages interleaving to maximize bandwidth under multi-threaded workloads, delivering the sustained throughput required by virtualized SQL servers and large-scale web farms where bottlenecks directly impact user experience. This memory doesn’t just meet a datasheet specification; it protects revenue-critical services and slashes operational overhead in modern data centers.

Endurance & Reliability

General Virtualization
Populate all memory channels symmetrically with these 8 GB dual‑rank RDIMMs. A balanced two‑DIMM‑per‑channel arrangement yields 128 GB in a dual‑socket server, ideal for hosting multiple VMs. The 1.35 V low voltage keeps power and cooling efficient. This approach also leaves half the slots available for scaling, and following the platform’s population order ensures optimal interleaving.

In‑Memory Database
Maximize capacity by filling every slot with identical 8 GB ECC RDIMMs to guarantee data integrity. On a dual‑socket platform with three DIMMs per channel, total memory reaches 192 GB, supporting large in‑memory datasets. Leverage memory sparing or mirroring for additional protection against uncorrectable errors. The registered design permits stable operation at high DIMM counts.

High Performance Computing
For peak bandwidth, install one DIMM per channel to run at the full DDR3‑1600 speed. A dual‑socket node with 1DPC delivers 64 GB and maximum throughput; scale to 2DPC for 128 GB if capacity demands increase, accepting a minor clock reduction. Symmetrical population across sockets guarantees uniform memory access. The low‑voltage design also helps reduce power in dense HPC clusters.

Verified Compatibility

Thoroughly tested server memory, compatible with Dell PowerEdge R720, HP DL380p Gen8, and Lenovo x3650 M4.

FAQ