General

Engineer's Note

Designed for legacy enterprise servers, this M386B8G70DE0-CK04 64GB DDR3-1600 RDIMM leverages registered signaling and ECC to guarantee data integrity under sustained heavy loads. Its octal-rank x4 configuration enables exceptionally high memory density per channel, making it ideal for memory-resident databases and large-scale virtualization platforms where stability and capacity are critical.

Technical Specs & Insights

1. High-density capacity per module enables dense server configurations to maximize virtual machine counts without sacrificing memory bandwidth per core.
2. Integrated ECC automatically corrects single-bit errors, essential for preventing data corruption in long-running database and financial services.
3. Registered buffer isolates the memory controller from electrical load, enabling stable operation when fully populating all channels in multi-socket enterprise servers.
4. Octal rank x4 organization multiplies parallelism for interleaving, reducing bank conflicts and improving effective throughput under sustained high-request concurrency.
5. DDR3-1600 bandwidth provides a reliable balance of performance and power, matching legacy enterprise workloads that prioritize uptime over cutting-edge speed.

Why These Specs Matter

The Samsung M386B8G70DE0-CK04, a 64GB DDR3-1600 RDIMM, tackles the acute demands of server virtualization and in-memory databases. ECC corrects single-bit errors in real time, eliminating the risk of silent data corruption that could crash an entire ESXi host running dozens of VMs. The registered buffer maintains command signal integrity when all 24 DIMM slots are populated, ensuring stable operation in dense server configurations. The 64GB density lets you fit 1.5TB of RAM into a typical dual-socket server, enabling an in-memory database like Redis or SAP HANA to store full datasets for sub-millisecond responses. Meanwhile, the Octal Rank x4 organization interleaves memory access across eight ranks, hiding precharge latency and boosting effective bandwidth during the random-access patterns of database queries. For IT architects, this module means uncompromised reliability, maximum VM consolidation, and higher transactional throughput—all critical for lowering TCO in the data center.

Endurance & Reliability

General Virtualization
Leverage these 64GB DDR3 Registered ECC DIMMs to build dense virtualization hosts. To support numerous VMs and smooth live migration, populate at least one DIMM per channel across all memory channels. A dual-socket server with twelve modules delivers 768 GB of balanced, fault-tolerant capacity under a typical hypervisor.

In-Memory Database
For in-memory databases requiring low-latency, large-capacity pools, fully populate each memory channel with two of these octal-rank modules. Installing twenty-four identical 64GB RDIMMs in a two-socket node provides 1.5 TB of symmetric memory, ensuring consistent access times and maximizing throughput for real-time analytics without NUMA bottlenecks.

High-Performance Computing (HPC)
In HPC environments, balance bandwidth and capacity by installing one 64GB DIMM per channel. This 1DPC configuration runs at the full 1600 MT/s speed with minimal rank contention, ideal for bandwidth-sensitive simulations. For capacity-driven modeling, populate two DIMMs per channel rather than mixing capacities, maintaining uniform ECC coverage and predictable performance scaling.

Verified Compatibility

This server memory is rigorously tested. Compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, and Cisco UCS C220 M3.

FAQ