Cisco 128GB 2933MHz DDR4 PC4-23400 ECC Registered CL21 288-Pin Load Reduced DIMM 1.2V Quad Rank x4 Memory Module – UCS-ML-128G4RT-H

Cisco UCS-ML-128G4RT-H 128GB DDR4 Server Memory

Expand high-density server memory with the Cisco UCS-ML-128G4RT-H 128GB DDR4 load-reduced memory module. This 288-pin DIMM is specified at 2933MHz with a PC4-23400 rating, CL21 latency, 1.2V operation, ECC Registered technology, and quad-rank x4 organization. These attributes give data-center administrators the detail needed to match the module with a compatible server population and plan an upgrade or exact replacement. Confirm the host platform, supported memory type, rank arrangement, and installation rules before deployment.

Key Features

• 128GB DDR4 memory capacity
• 2933MHz operating speed
• ECC Registered load-reduced design
• PC4-23400 module rating
• CL21 latency
• 288-pin 1.2V quad-rank x4 configuration

Product Specifications

• Part Number: UCS-ML-128G4RT-H
• Manufacturer: Cisco
• Capacity: 128GB
• Memory Type: DDR4 ECC Registered Load Reduced DIMM
• Speed: 2933MHz
• Module Rating: PC4-23400
• CAS Latency: CL21
• Form Factor: 288-pin DIMM
• Voltage: 1.2V
• Rank and Width: Quad rank x4

Use Cases

• Upgrading memory in a compatible Cisco server
• Replacing a 128GB DDR4 server DIMM
• Supporting high-density virtualization workloads
• Maintaining matched memory for data-center service

Compatibility

Confirm the target Cisco server, DDR4 support, load-reduced memory requirement, ECC Registered architecture, speed, rank, voltage, and DIMM population rules before installation.

Frequently Asked Questions

What capacity does this module provide?

The module provides 128GB capacity.

What memory technology is specified?

It uses DDR4 ECC Registered Load Reduced DIMM technology.

What speed and latency are listed?

The module is listed at 2933MHz with CL21 latency.

The UCS-ML-128G4RT-H gives server administrators a precise 128GB DDR4 memory option with load-reduced, ECC Registered, quad-rank x4 specifications. Verify the host server and memory population rules before ordering, especially when expanding a multi-DIMM configuration. Using the exact Cisco part number helps maintain consistent server standards, simplify replacement planning, and reduce compatibility risk.