Cisco UCS-MR-128G8RS-H 128GB DDR4-2666MHz TSV-RDIMM Server Memory
The Cisco UCS-MR-128G8RS-H 128GB DDR4 Server RAM is a high-capacity memory module designed for compatible Cisco Unified Computing System (UCS) servers. With 128GB capacity, it is intended for enterprise workloads that require substantial memory, including virtualization, database hosting, and data-center applications.
According to Cisco's published product specifications, this module uses DDR4-2666MHz technology, a TSV-RDIMM design, an octal-rank 8Rx4 configuration, and a 1.2V operating voltage. It uses the PC4-21300 memory standard.
Key Features and Benefits
- 128GB capacity: Supports high-memory server configurations and demanding enterprise workloads.
- DDR4-2666 data rate: Provides a rated transfer rate of 2666 MT/s on supported systems.
- TSV-RDIMM technology: Uses a specialized registered DIMM design for compatible server platforms.
- Octal-rank 8Rx4 configuration: Uses eight ranks of x4-organized DRAM devices.
- 1.2V operating voltage: Matches the published DDR4 module specification.
- Cisco UCS compatibility: Designed for supported Cisco server configurations; verify the exact system requirements before purchase.
Technical Specifications
| Specification | Details |
|---|
| Brand | Cisco |
| Part Number | UCS-MR-128G8RS-H |
| Capacity | 128GB |
| Memory Technology | DDR4 SDRAM |
| Memory Speed | 2666 MT/s |
| Memory Standard | PC4-21300 |
| Module Type | TSV-RDIMM (registered DIMM) |
| Rank Configuration | Octal rank, 8Rx4 |
| Operating Voltage | 1.2V |
| Application | Compatible Cisco UCS server platforms |
Specifications are based on Cisco product documentation and official Cisco product listings.
Compatibility and Supported Systems
This module is intended for selected Cisco UCS server configurations that explicitly support 128GB DDR4-2666 TSV-RDIMMs. Compatibility depends on the server model, processor generation, firmware, and validated memory configuration.
Before purchasing, consult the relevant Cisco UCS server memory guide to confirm support for the UCS-MR-128G8RS-H part number and its octal-rank TSV-RDIMM design. Do not assume that a server supporting standard DDR4 RDIMMs or LRDIMMs will also support this specialized module.
Applications
- Enterprise server memory expansion
- Virtualization and virtual machine hosting
- Database and business application servers
- Data-center infrastructure
- Memory-intensive enterprise computing
Installation and Compatibility Notes
Use this memory only in systems validated for the specified module type. Follow Cisco's memory population rules and confirm the maximum supported capacity, rank configuration, and operating speed.
- Verify the exact Cisco UCS server model and processor.
- Confirm support for 128GB TSV-RDIMMs.
- Follow the recommended DIMM slot population order.
- Do not mix incompatible RDIMM, LRDIMM, or other memory types.
- Confirm the module's exact part number before ordering.
Product Availability
Cisco lists this part number in end-of-sale and end-of-life product documentation. Availability may therefore depend on existing stock or the refurbished and secondary market. Confirm product condition, warranty, and authenticity with the supplier before purchasing.
Why Choose Cisco UCS-MR-128G8RS-H?
The Cisco UCS-MR-128G8RS-H provides 128GB of memory for supported Cisco UCS platforms requiring this specialized DDR4 TSV-RDIMM configuration. Its high capacity can help support memory-intensive server workloads, provided the module is compatible with the system's validated memory requirements.
Frequently Asked Questions
1. What is the capacity of Cisco UCS-MR-128G8RS-H?
It is a 128GB server memory module.
2. What is the rated speed?
The published specification is DDR4-2666MHz, equivalent to 2666 MT/s.
3. What type of memory module is it?
It is a TSV-RDIMM, or registered DIMM, with an octal-rank 8Rx4 configuration.
4. What voltage does this RAM use?
The specified operating voltage is 1.2V.
5. Is it compatible with every Cisco UCS server?
No. Compatibility depends on the exact server model, processor, and memory configuration. Verify the module against Cisco's official memory guide.
6. Can I use this RAM in a standard desktop PC?
No. This specialized registered server memory is intended for compatible enterprise server platforms, not typical consumer desktops.
7. Is this product still available new?
Cisco has included this part number in end-of-sale and end-of-life documentation. New-stock availability may be limited, so check the seller's stock status and warranty terms.
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