Samsung 1x 32GB DDR5-6400 RDIMM PC5-51200R Single Rank x4 Module

Product Overview

The M321R4GA0PB2-CCP is a 32 GB DDR5‑6400 ECC RDIMM, single‑rank ×4, 1.1 V module from Samsung, engineered for reliable and efficient performance in enterprise server environments. Its single-rank design offers broad compatibility and straightforward deployment across a wide range of server platforms.

Do check your server motherboard/BIOS compatibility before installation, but otherwise this is a solid, dependable choice for memory-intensive workloads requiring ECC protection.

This RAM module operates at a standard voltage of 1.1V with a CAS Latency of CL52, and is designed to allow you to run more applications simultaneously, switch between them faster, and provide a smoother computing experience.

Compatibility

You can verify the compatibility of this RAM module in a number of ways:

• Use the RamCity Finder to see all guaranteed compatible RAM upgrades for your brand and model system or motherboard
• Search online to see if this product is on the QVL (Qualified Vendor List) for your system or motherboard
• Contact one of our Upgrade Evangelists for an expert opinion

• Use Cases & Compatibility

  • Target Systems: Designed for enterprise-grade servers and workstations. Compatible with platforms like Intel Xeon and AMD EPYC (e.g., Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem).

  • Primary Benefits:

    • Single-rank design: Maximises compatibility across a wide range of server platforms and simplifies memory population.

    • ECC + registered: Ensures data integrity and system stability—ideally suited for critical workloads.

    • x4 chip organization: Common in server memory for balanced performance and cost efficiency.