General

Engineer's Note

This 32GB DDR3-1333 RDIMM is engineered for legacy server platforms, delivering the data integrity essential for memory-intensive workloads such as virtualization and in-memory databases through its registered ECC architecture. Its quad-rank x4 configuration maximizes capacity density per channel while the 1.35V low-voltage operation reduces power consumption, making it an ideal choice for dense, mission-critical rack deployments.

Technical Specs & Insights

1. Registered signal type buffers command and address inputs, preserving signal integrity across fully loaded server memory channels and enabling reliable scaling to terabytes of RAM for large-scale virtualization.
2. ECC error correction automatically detects and fixes single-bit errors, preventing silent data corruption in financial transactions, database records, and long-running enterprise workloads.
3. Quad Rank x4 organization packs the maximum number of DRAM dies into a single module, delivering the highest memory density per slot to support dense virtual machine consolidation and in-memory analytics.
4. 32GB capacity per module allows data center operators to populate fewer DIMMs for a given memory target, freeing up slots for future expansion while maintaining massive buffer pools for database servers.
5. 1.35V low-voltage operation cuts energy consumption per DIMM, which reduces the thermal footprint in high-density rack servers and lowers total cost of ownership through sustained power and cooling savings.

Why These Specs Matter

Designed for mission-critical servers, the Samsung M386B4G70BM0-YH9 is a 32GB DDR3-1333 registered DIMM that brings together ECC error correction, registered buffering, ultra-low 1.35V operation, and high-density quad-rank construction. In a virtualized cluster, each physical host runs dozens of VMs; a single uncorrected memory error can silently corrupt data or crash entire workloads. The module’s ECC instantly detects and corrects single-bit upsets, while the registered clock driver stabilizes signal integrity across fully populated memory channels, allowing you to scale to hundreds of gigabytes without compromising reliability. The 1.35V supply slashes power consumption per DIMM, directly reducing cooling and electricity bills in dense rack deployments—crucial when you deploy dozens of modules per node. Meanwhile, the quad-rank x4 organization packs 32GB into a single slot, maximizing capacity for in-memory databases like SAP HANA or Redis clusters where every gigabyte fuels real-time analytics. That translates into higher VM density, guaranteed uptime, and lower total cost of ownership.

Endurance & Reliability

General Virtualization
Deploy these 32 GB DDR3L‑1333 RDIMMs in multiples of three or six per CPU to populate all memory channels and preserve balanced interleaving. For a typical dual‑socket hypervisor hosting 20–30 VMs, install twelve modules (384 GB total) to comfortably support overcommitment while leaving room for growth. The 1.35 V low‑voltage rating reduces overall power draw in dense server farms, and the quad‑rank design delivers high capacity per slot without sacrificing the registered ECC reliability virtualized environments demand.

In‑Memory Database
Maximizing capacity is paramount for Redis, Memcached, or SAP HANA workloads. Fill every DIMM slot on the platform with identical 32 GB quad‑rank RDIMMs; a dual‑processor server with 24 slots yields 768 GB, enabling large datasets to reside entirely in RAM. Plan for the slight frequency derating that can occur when running four ranks per channel—validate the platform’s BIOS settings to maintain 1333 MT/s if latency sensitivity requires it. The ECC and registered signaling protect data integrity during sustained, high‑throughput transactions.

High‑Performance Computing
Assemble nodes with four or eight modules (128 GB or 256 GB) evenly distributed across the available memory channels to maximize bandwidth for MPI or simulation codes. Avoid over‑populating channels with this quad‑rank x4 device; one DIMM per channel is often the sweet spot that keeps the memory bus at the full 1333 MT/s data rate. Should a job demand more capacity, accept a managed downgrade to 1066 MT/s by adding a second DIMM per channel while using the 1.35 V supply to curb the thermal footprint of dense cluster racks.

Verified Compatibility

Certified server memory, rigorously tested. Compatible with Dell PowerEdge R720, HP ProLiant DL380p Gen8, and similar DDR3 ECC RDIMM systems.

FAQ