Cisco 64GB 4DRx4 DDR4-2666V-L PC4-21300 LRDIMM ECC Load-Reduced Memory Samsung M386A8K40CM2-CTD UCS-ML-X64G4RS-H 15-105084-01
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- Specifications
- Description
| Manufacturer Part Number | UCS-ML-X64G4RS-H / 15-105084-01 |
| Manufacturer | Cisco / Samsung |
| Condition | Refurbished |
| Standard Warranty | 90 Day Replacement Warranty |
| Item Category | Memory |
| Model | Samsung M386A8K40CM2-CTD |
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Cisco 64GB 4DRx4 DDR4-2666V-L PC4-21300 LRDIMM ECC Load-Reduced Memory Samsung M386A8K40CM2-CTD UCS-ML-X64G4RS-H 15-105084-01
Upgrade your Cisco UCS server environment with the Cisco UCS-ML-X64G4RS-H 64GB DDR4-2666 LRDIMM memory module, built with premium Samsung memory components. This enterprise-class 64GB Load-Reduced DIMM (LRDIMM) delivers high-density memory expansion for demanding virtualization, cloud computing, database, and analytics workloads. Featuring ECC error correction, DDR4-2666 (PC4-21300) performance, and a 4DRx4 architecture, this module helps maximize system memory capacity while maintaining reliability and stability in mission-critical Cisco UCS deployments.
Designed for compatibility with a wide range of Cisco UCS platforms, the Samsung M386A8K40CM2-CTD based module provides the scalability required for modern data centers, allowing organizations to increase workload consolidation and overall server efficiency.
Key Features
- 64GB DDR4 SDRAM capacity
- DDR4-2666V-L / PC4-21300 memory speed
- LRDIMM (Load-Reduced DIMM) technology
- ECC (Error-Correcting Code) protection
- 4DRx4 rank configuration
- 288-pin registered server memory module
- Optimized for Cisco UCS server environments
- Improves memory scalability and virtualization density
- Samsung enterprise-grade memory components
Technical Specifications
- Manufacturer: Cisco
- Cisco Part Number: UCS-ML-X64G4RS-H
- Cisco Assembly Number: 15-105084-01
- Memory Manufacturer: Samsung
- Samsung Part Number: M386A8K40CM2-CTD
- Capacity: 64GB
- Memory Type: DDR4 SDRAM
- Form Factor: LRDIMM
- Data Rate: 2666 MT/s
- Speed Grade: PC4-21300
- Rank Configuration: 4DRx4
- Error Correction: ECC
- Voltage: 1.2V
- Pin Count: 288-Pin
- Buffered/Registered: Load-Reduced Registered
- SKU: MTA4ATF1G64AZ-3G2E1
Alternative Part Numbers
The following part numbers are commonly associated with this memory module:
- Cisco UCS-ML-X64G4RS-H
- Cisco 15-105084-01
- Samsung M386A8K40CM2-CTD
Compatible Cisco UCS Platforms
Compatibility may vary by system firmware and processor generation, but this module is commonly deployed in systems supporting DDR4-2666 LRDIMM memory, including:
- Cisco UCS C220 M5 Rack Server
- Cisco UCS C240 M5 Rack Server
- Cisco UCS B200 M5 Blade Server
- Cisco UCS B480 M5 Blade Server
- Cisco UCS S3260 Storage Server
- Other Cisco UCS M5 platforms supporting 64GB DDR4-2666 LRDIMM modules
Compatible Memory Modules
For mixed-capacity upgrades or matching configurations, the following Cisco DDR4 LRDIMM modules may be compatible within supported UCS platforms:
- Cisco UCS-ML-X32G4RS-H (32GB DDR4-2666 LRDIMM)
- Cisco UCS-ML-X64G4RT-H (64GB DDR4-2933 LRDIMM)
- Cisco UCS-ML-X128G4RT-H (128GB DDR4 LRDIMM)
- Samsung M386A4G40DM0 Series 32GB DDR4 LRDIMM
- Samsung M386A8K40BM2 Series 64GB DDR4 LRDIMM
Why Choose This Memory Module?
The Cisco UCS-ML-X64G4RS-H is engineered for enterprise environments that demand high memory capacity, reliability, and performance. Its LRDIMM architecture reduces electrical loading on the memory bus, enabling larger memory footprints than standard RDIMMs while maintaining excellent stability for virtualization hosts, database servers, private cloud infrastructure, and business-critical applications. Whether expanding an existing Cisco UCS deployment or replacing a failed module, this genuine Cisco/Samsung memory solution delivers dependable data center performance.