General

Engineer's Note

Designed for legacy server platforms, this 64GB DDR3-1600 Registered ECC CDIMM operates at 1.5V and leverages a quad-rank x4 configuration to deliver high memory density for memory-intensive virtualized environments and in-memory databases. The registered signal type buffers the address and command lines to ensure stable operation under heavy loads, while ECC protection maintains critical data integrity across all active memory ranks.

Technical Specs & Insights

1. A 64GB capacity per module drastically increases memory density, allowing hypervisors to host more virtual machines per node without exhausting RAM resources.
2. ECC protection automatically corrects single-bit errors in real time, safeguarding transactional data integrity for mission-critical enterprise databases.
3. Registered signal buffering reduces electrical loading on the memory bus, ensuring rock-solid stability when all DIMM slots are populated in a multi-socket server.
4. Quad Rank x4 organization packs more DRAM chips per channel, giving memory-intensive workloads like in-memory analytics the massive footprint they demand.
5. 1600MHz clock speed delivers consistent bandwidth per channel, preventing throughput bottlenecks in heavily consolidated cloud environments.

Why These Specs Matter

The M350B8G70DM0-YK0 is a 64GB DDR3-1600 Registered ECC CDIMM purpose-built for enterprise servers, where undetected memory errors translate directly into revenue loss and service downtime. In a virtualization cluster hosting dozens of VMs, its ECC engine silently corrects single-bit flips induced by cosmic radiation or electrical noise, preventing the silent data corruption that would otherwise cascade into guest operating system crashes or database journal failures—essentially offering a continuous insurance policy for workload integrity. The registered clock driver buffers command and address lines, so when you populate all channels with these high-density Quad Rank x4 modules to reach several hundred gigabytes, you maintain crisp signal integrity and avoid the boot failures or instability that unbuffered memory would suffer. That quad-rank x4 organization is not just about fitting 64 GB on a single stick; it enables rank interleaving, which stripes access across multiple ranks to boost effective bandwidth and reduce latency under the heavy, concurrent reads typical of live VM migrations and container orchestration. In an in-memory database like Redis or SAP HANA, where every transaction lives in DRAM, the combination of CAS 11 latency and 1600 MHz speed delivers the deterministic response times required for real-time analytics, while the 1.5 V standard voltage balances thermal load inside dense rack servers. This module transforms memory from a statistical risk into a dependable asset that directly supports your consolidation ratio and application uptime.

Endurance & Reliability

General Virtualization
For server consolidation, balance density and performance by populating memory channels symmetrically across both CPUs. Start with one 64 GB quad-rank Registered DIMM per channel—eight modules in a dual-socket system—to achieve 512 GB at full 1600 MHz speed, giving each virtual machine ample headroom. If higher capacity is required, add a second identical DIMM per channel, but plan for the memory controller to downclock to 1333 MHz or lower due to quad-rank loading.

In-Memory Database
Maximize footprint by fully populating all DIMM slots with identical 64 GB modules. A typical dual-processor server with three slots per channel can host 24 of these DIMMs, delivering up to 1.5 TB of ECC-protected RAM to house entire datasets. Use homogenous, vendor-validated quad-rank RDIMMs to avoid NUMA imbalances and maintain the data integrity that in-memory engines depend on.

High-Performance Computing
Achieve peak bandwidth by installing a single 64 GB DIMM per channel—1DPC configuration—which sustains the full 1600 MHz memory speed critical for bandwidth-bound HPC workloads. If a node requires more than 512 GB total capacity, a second quad-rank DIMM per channel can be added, but clock speeds will degrade; profile your application to determine whether capacity or raw bandwidth governs overall throughput.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R720, HP DL380p Gen8, etc.

FAQ