Samsung 32GB DDR5 6400MHz ECC Registered Server Memory — M321R4GA3EB2-CCP

The Samsung M321R4GA3EB2-CCP is a 32GB DDR5 ECC Registered (RDIMM) server memory module operating at 6400MHz (PC5-51200) with 1.1V operating voltage. Built on Samsung's DDR5 x8 die architecture, this Dual Rank module delivers peak DDR5 memory bandwidth for enterprise server workloads including virtualization, databases, and general-purpose computing. DDR5 introduces on-die ECC (ODECC) for enhanced per-chip error detection, complemented by system-level ECC for comprehensive data integrity protection. The registered (buffered) design enables stable multi-DIMM configurations across next-generation enterprise server platforms.

Key Features

• 6400MHz Peak DDR5 Speed: PC5-51200 delivers the highest DDR5 bandwidth tier for maximum memory throughput
• Dual-Layer ECC: On-die ECC (ODECC) plus system-level ECC provides comprehensive error detection and correction
• Registered (Buffered) Design: Enables stable multi-DIMM server configurations without signal degradation
• Samsung DRAM: Industry-leading manufacturing quality with proven enterprise-grade reliability and longevity
• RoHS Compliant: Meets global environmental and safety standards for enterprise deployments

Technical Specifications

• Part Number: M321R4GA3EB2-CCP
• Manufacturer: Samsung
• Memory Type: DDR5 SDRAM
• Module Type: RDIMM (Registered / Buffered)
• Capacity: 32GB
• Speed: 6400MHz (PC5-51200)
• Voltage: 1.1V
• Form Factor: 288-Pin DIMM
• Rank: Dual Rank (2Rx8)
• Die Organization: x8
• Data Width: 72-bit (64-bit + 8-bit ECC)
• Error Correction: On-Die ECC + SECDED system-level ECC
• Operating Temperature: 0°C to 85°C

Use Cases

• Virtualization: VMware vSphere, Microsoft Hyper-V, and KVM deployments on DDR5 server platforms at peak bandwidth
• Database Servers: MySQL, PostgreSQL, Microsoft SQL Server, and Oracle database workloads on DDR5 platforms
• General-Purpose Computing: Enterprise application servers and web servers on DDR5 platforms requiring peak bandwidth
• DDR5 Platform Deployment: 32GB DDR5 RDIMM at peak 6400MHz speed for new server deployments

Compatibility

• Compatible with DDR5 RDIMM slots supporting 6400MHz — verify your platform's maximum supported DDR5 speed before ordering
• CCP is the qualification code for this Samsung 32GB DDR5 6400MHz Dual Rank x8 RDIMM EB2 series — verify against your server's memory QVL before ordering
• Do not mix with DDR5 UDIMMs or LRDIMMs in the same system
• For multi-DIMM stability, populate channels with matched capacity, speed, and rank modules

Frequently Asked Questions

Is this module compatible with DDR4 servers?

No — DDR5 and DDR4 are not interchangeable. DDR5 RDIMMs require DDR5-compatible server platforms. Always verify your server's memory type requirement before ordering.

What does the CCP qualification code indicate?

CCP is Samsung's qualification code for this 32GB DDR5 6400MHz Dual Rank x8 RDIMM EB2 series — always verify against your server vendor's QVL before purchase.

What is the difference between x8 and x4 die organization at 32GB?

x8 die organization uses wider 8-bit DRAM chips, typically resulting in Dual Rank at 32GB. x4 die organization uses narrower 4-bit chips enabling higher density per rank. Both support ECC but x4 modules support Chip Kill ECC on compatible platforms for stronger error correction.

Whether you are deploying new DDR5 server infrastructure at peak bandwidth, expanding virtualization capacity, or upgrading database server platforms, the Samsung M321R4GA3EB2-CCP delivers the 32GB DDR5 6400MHz performance, dual-layer ECC protection, and Samsung manufacturing quality your enterprise server environment demands.