General

Engineer's Note

This Registered ECC DDR3-1333 RDIMM, with its dual-rank x4 organization and low 1.35V operating voltage, is ideally suited for virtualization hosts and memory-intensive database servers where data integrity and power efficiency are critical. The 16GB capacity combined with registered signaling ensures stable operation in high-density multi-DIMM configurations, while ECC protection guards against single-bit errors in always-on enterprise environments.

Technical Specs & Insights

1. ECC protection continuously corrects single-bit errors, preserving data integrity for mission-critical databases and virtualized workloads where silent corruption is unacceptable.
2. Registered buffer circuitry stabilizes address and command signals across fully loaded server boards, enabling uncompromised reliability in dense memory configurations.
3. Sixteen-gigabyte module capacity provides the density to host more virtual machines per physical server, maximizing consolidation and reducing licensing overhead.
4. Low-voltage 1.35V operation reduces power draw and waste heat across server racks, directly lowering energy bills and cooling demands in colocation environments.
5. Dual Rank x4 organization keeps memory banks interleaved for sustained bandwidth, ensuring consistent throughput during heavy multi-tenant application bursts.

Why These Specs Matter

In a data center environment, the Samsung M393B2G70DB0-YH9 RDIMM is engineered to solve the real headaches IT architects face: silent data corruption and crippling downtime. Its ECC technology actively detects and corrects single-bit errors caused by cosmic radiation or electrical noise. For a financial database processing millions of transactions, that means the difference between a balanced ledger and a hidden miscalculation that erodes trust. The Registered signal buffering is equally critical when you are expanding a virtualization cluster to host dozens of VMs; it stabilizes the electrical load across multiple DIMMs, allowing you to populate all 24 slots on a server board without signal degradation, which directly translates to higher consolidation ratios and more revenue per rack unit.

Meanwhile, the 1.35V low-voltage operation cuts power draw by roughly 20% compared to standard 1.5V DDR3, and across a hundred servers, that compounding thermal and energy saving significantly reduces your OPEX. The dual-rank x4 organization with CL9 latency further ensures that memory-intensive applications, such as in-memory caches, sustain high throughput under concurrent access. For any workload where data integrity and uptime are non-negotiable, this module is not a component—it is a risk mitigation strategy.

Endurance & Reliability

General Virtualization
For hypervisors hosting multiple VMs, populate all memory channels symmetrically to maximize bandwidth. Using six or twelve of these 16GB RDIMMs per dual-socket node yields 96‑192GB—sufficient for 20‑40 typical VMs while keeping memory latency low thanks to balanced interleaving.

In-Memory Database
In-memory databases like Redis or SAP HANA demand large, contiguous capacity and fault tolerance, making ECC RDIMMs essential. Fully load each memory riser, aiming for 256 GB or more per server; populate with identical 16 GB modules across all ranks to avoid performance cliffs under heavy dataset loads.

HPC
HPC workloads require peak memory throughput. Install an even number of these dual-rank x4 RDIMMs per CPU—typically one DIMM per channel—to enable quad-channel interleaving. Target 64‑128 GB per node for compute-bound simulations, and leverage the 1.35 V low-voltage design to reduce power draw in dense clusters while preserving error correction on long-running jobs.

Verified Compatibility

Server-grade DDR3L RDIMM, rigorously tested. Compatible with Dell PowerEdge R720, HP DL380p Gen8, IBM x3650 M4.

FAQ