General

Engineer's Note

This VLP RDIMM is a server-class module with registered signal buffering and ECC, delivering data integrity for virtualized environments and in-memory databases. Its dual-rank x4 organization at CL7 latency maximizes capacity per channel while maintaining stable signal integrity in dense rack configurations.

Technical Specs & Insights

1. "Samsung's very low profile Registered DIMM design allows dense packing in blade and micro-server chassis, improving thermal clearance and system airflow."
2. "Error Correction Code reliably detects and corrects single-bit memory faults, preserving data integrity for transactional databases and financial computing."
3. "Registered signal buffering stabilizes high-capacity memory configurations, enabling large RAM footprints for virtualization clusters without compromising electrical signaling."
4. "Dual Rank x4 organization keeps server memory channels fully saturated under sustained load, delivering consistent throughput for multi-tenant cloud workloads."
5. "The compact per-module capacity fits power-efficient server nodes, giving SMBs enough headroom for essential collaboration services without overspending on idle DIMM slots."

Why These Specs Matter

Designed for space‑constrained data centers, the Samsung M392B1K70DM0-CF8 server memory module translates four critical features into real‑world reliability and performance. ECC constantly corrects single‑bit errors in the background, shielding virtualization clusters from silent data corruption that could silently propagate across dozens of virtual machines and force unplanned failovers. The registered buffer re‑drives address and command signals, enabling you to pack every channel with stable high‑capacity DIMMs—vital for in‑memory databases like SAP HANA or Redis, where massive datasets must remain error‑free and instantly queryable. Its Very Low Profile form fits effortlessly into dense 1U rack and blade servers, preserving clear airflow paths to keep nodes from throttling under sustained load. Dual‑rank x4 organization leverages interleaving to accelerate parallel access, making VM migrations and real‑time analytics noticeably more responsive. For data‑center architects, this DIMM delivers robust data protection, high‑density memory scaling, and the thermal margin that keeps your service‑level agreements intact under heavy virtualization workloads.

Endurance & Reliability

General Virtualization
For general virtualization hosts, this 8GB DDR3-1066 VLP RDIMM suits moderate-density deployments. Configure the server with at least six identical modules (48GB total) to balance memory across triple-channel architectures, leaving room for future expansion. This setup efficiently supports 15–20 light-to-medium VMs, keeping hardware costs low for entry-level hypervisors.

In-Memory Database
In-memory databases demand high capacity and low latency, so populate all available channels with dual-rank x4 RDIMMs to maximize bandwidth. A minimum of 12 modules (96GB) is advised for small production datasets, scaling to 18 or 24 modules for larger caching tiers. The CL7 timing and registered signaling help maintain stability under sustained, heavy write loads.

High-Performance Computing (HPC)
HPC clusters benefit from the low-profile design of these VLP RDIMMs in dense blade enclosures. Equip each node with a full complement of 12–18 modules to reach 96–144GB, ensuring sufficient headroom for memory-bound simulations. The 1.5V operating voltage and ECC protection are essential for error-resilient, long-duration parallel jobs where a single memory fault would invalidate results.

Verified Compatibility

Rigorously tested server memory; compatible with Dell PowerEdge R710, HP DL380 G7, IBM x3650 M3.

FAQ