Samsung M321R8GA0PB0-CWM 64GB DDR5-5600 ECC RDIMM Server Memory

The Samsung M321R8GA0PB0-CWM is a 64GB DDR5-5600 ECC Registered DIMM (RDIMM) designed for compatible enterprise servers, data centers, and professional computing platforms. It combines 64GB high-density capacity, DDR5-5600 data-transfer speed, ECC error correction, and registered-memory architecture to provide reliable and high-bandwidth memory performance for demanding workloads.

Operating at 5600 MT/s, this module is classified as DDR5-5600 / PC5-44800 and uses a 2Rx4 dual-rank organization. It operates at 1.1V and uses a 288-pin RDIMM form factor. Exact-MPN listings also specify CL46 latency.

64GB High-Capacity Server Memory

With 64GB capacity in a single DIMM, the M321R8GA0PB0-CWM provides substantial memory capacity while allowing compatible servers to achieve high total RAM configurations with fewer modules.

It is suitable for demanding workloads such as:

• Enterprise servers
• Data-center infrastructure
• Server virtualization
• Cloud computing
• Database applications
• AI and machine-learning workloads
• Data analytics
• High-performance computing
• Virtual desktop infrastructure
• Enterprise applications
• In-memory processing
• Large-scale application hosting

DDR5-5600 High-Speed Performance

The module operates at 5600 MT/s, providing a theoretical memory bandwidth classification of PC5-44800. Its high DDR5 bandwidth makes it suitable for modern server processors and applications that frequently access large amounts of system memory.

The actual memory speed may depend on the server processor, BIOS configuration, DIMM population, and the maximum supported memory frequency of the platform.

ECC Registered RDIMM

The M321R8GA0PB0-CWM uses ECC (Error-Correcting Code) technology to help detect and correct certain memory errors. This is particularly valuable in enterprise environments where data integrity and system stability are important.

It is also a Registered DIMM (RDIMM). Registered memory uses additional circuitry to manage address, command, and control signals, making it suitable for compatible server platforms and larger memory configurations.

This module should not be confused with standard desktop UDIMM or laptop SO-DIMM memory.

2Rx4 Dual-Rank Architecture

The M321R8GA0PB0-CWM uses a 2Rx4 dual-rank organization with an 8Gx72 organization. Detailed specifications identify the module as using 40 × 4Gx4 FBGA DRAM devices.

The 2Rx4 configuration is an important consideration when checking compatibility and planning DIMM population in enterprise servers.

1.1V DDR5 Technology

The module operates at 1.1V, providing the standard voltage associated with DDR5 server memory. DDR5 technology provides increased bandwidth and improved efficiency compared with previous-generation DDR4 memory.

Enterprise Applications

The combination of 64GB capacity, DDR5-5600 performance, ECC, and RDIMM architecture makes the Samsung M321R8GA0PB0-CWM suitable for professional environments requiring high memory capacity and dependable operation.

Virtualization:
The 64GB capacity can support multiple virtual machines and memory-intensive applications.

Database Servers:
High memory capacity and bandwidth can support large databases and concurrent workloads.

Cloud & Data Centers:
Suitable for compatible server infrastructure requiring scalable registered ECC memory.

AI & Data Analytics:
High DDR5 bandwidth can support workloads processing large datasets.

Enterprise Applications:
ECC RDIMM technology provides a memory architecture designed for business-critical server environments.

Compatibility

Before installing the M321R8GA0PB0-CWM, verify that the target system supports:

• DDR5 ECC RDIMM
• 64GB DIMMs
• DDR5-5600
• 2Rx4 memory organization
• 288-pin DDR5 DIMMs
• 1.1V memory
• Required DIMM population configuration
• Maximum supported memory capacity
• Compatible server processor and BIOS

If the server or processor supports a lower memory frequency, the module may operate at the lower supported speed.

Technical Specifications