Cisco 64GB 6400MHz DDR5 PC5-51200 ECC Registered 288-Pin DIMM 1.1V Dual Rank x4 Memory Module – UCSX-MRX64G2RE5

Cisco UCSX-MRX64G2RE5 64GB DDR5 Server Memory

Upgrade compatible server infrastructure with the Cisco UCSX-MRX64G2RE5 64GB DDR5 ECC Registered memory module. This 288-pin DIMM is specified at 6400MHz with a PC5-51200 rating, 1.1V operation, and dual-rank x4 construction. The detailed attributes make it easier for data-center administrators to compare the module against an existing server population and plan a consistent memory upgrade or replacement. It is suited to professional server environments where capacity, speed, registered memory architecture, and validated module matching all matter during deployment and maintenance.

Key Features

• 64GB DDR5 server memory capacity
• 6400MHz operating speed
• ECC Registered memory design
• 288-pin DIMM form factor
• 1.1V dual-rank x4 construction

Product Specifications

• Part Number: UCSX-MRX64G2RE5
• Manufacturer: Cisco
• Capacity: 64GB
• Memory Type: DDR5 ECC Registered
• Speed: 6400MHz
• Module Rating: PC5-51200
• Form Factor: 288-pin DIMM
• Voltage: 1.1V
• Rank: Dual rank x4

Server Memory Specifications

The 6400MHz speed and PC5-51200 classification identify the module”s performance category, while ECC Registered technology places it within a server-class memory architecture. The dual-rank x4 layout should be matched with the host platform”s approved memory population rules and other installed DIMMs.

Use Cases

• Expanding memory in a compatible Cisco server
• Replacing a failed 64GB DDR5 module
• Standardizing memory across a server cluster
• Supporting planned data-center capacity upgrades

Compatibility

Confirm the target Cisco UCS server, DDR5 support, ECC Registered requirement, memory speed, rank arrangement, voltage, and DIMM population rules before installation.

Frequently Asked Questions

What capacity does this module provide?

The module is listed with 64GB capacity.

What memory generation does it use?

It uses DDR5 ECC Registered memory technology.

What speed and voltage are specified?

The module is listed at 6400MHz and 1.1V.

The UCSX-MRX64G2RE5 offers a precise 64GB DDR5 upgrade or replacement option for compatible Cisco server platforms. Verify the complete memory population plan before ordering, particularly when combining multiple DIMMs or upgrading an existing server. Using the exact Cisco part number supports cleaner inventory control, reduces compatibility risk, and helps administrators maintain consistent performance characteristics across professional server environments.