Upgrade your enterprise server infrastructure with the Cisco 64GB 2S2Rx4 DDR4-2666V PC4-21300 ECC Registered Memory Samsung M393A8K40B22-CWD. Built with high-quality Samsung components and qualified for Cisco environments, this high-capacity RDIMM module delivers exceptional reliability, scalability, and data integrity for demanding workloads including virtualization, cloud computing, database management, analytics, and mission-critical business applications.
Featuring a massive 64GB capacity, DDR4-2666 performance, and ECC protection, the M393A8K40B22-CWD-CISCO is engineered to maximize server efficiency while minimizing downtime caused by memory-related errors. Its advanced 2S2Rx4 3DS stacked architecture provides higher memory densities, making it an ideal solution for modern Cisco UCS servers and other enterprise-grade platforms requiring high-capacity registered memory.
Key Features
- 64GB DDR4 SDRAM Registered ECC Server Memory
- Cisco Approved / OEM Samsung Memory Module
- DDR4-2666V (2666 MT/s) Performance
- PC4-21300 Standard
- 288-Pin RDIMM Form Factor
- ECC (Error Correcting Code) Technology
- Registered / Buffered Design for Enterprise Servers
- Low Operating Voltage of 1.2V
- Quad Rank x4 (2S2Rx4 / 4Rx4) Architecture
- 3DS TSV Stack Technology for Increased Memory Density
- Designed for Cisco UCS and Data Center Environments
Technical Specifications
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Manufacturer: Samsung (Cisco Approved/OEM)
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Cisco SKU: M393A8K40B22-CWD-CISCO
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Manufacturer Part Number: M393A8K40B22-CWD
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Capacity: 64GB
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Memory Type: DDR4 SDRAM
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Module Type: RDIMM (Registered DIMM)
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Data Rate: 2666 MT/s
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Memory Standard: PC4-21300 / PC4-2666V
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Error Checking: ECC
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Voltage: 1.2V
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Pin Configuration: 288-Pin
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Rank Configuration: 2S2Rx4 / 4Rx4
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CAS Latency: CL19
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Module Height: 31.25mm Standard Profile
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Refresh Rate: 7.8µs / 3.9µs High Temperature Mode
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Component Layout: 36 Samsung FBGA DRAM Components
Enterprise Performance Benefits
The Samsung M393A8K40B22-CWD utilizes advanced 3DS (Three-Dimensional Stacked) memory technology with TSV (Through-Silicon Via) architecture, allowing significantly higher memory density than traditional RDIMM modules. Combined with ECC functionality and registered buffering, this memory module provides the stability required for virtualization hosts, VMware clusters, Hyper-V deployments, SAP environments, SQL databases, Cisco UCS blade servers, and high-performance computing workloads.
Running at 2666 MT/s while maintaining low 1.2V power consumption, the module helps reduce overall data center power requirements while delivering fast response times and improved memory bandwidth for multi-processor server platforms.
Compatible Alternative Part Numbers
- M393A8K40B22-CWD
- M393A8K40B22-CVF
- M393A8K40B22-CTD
- UCS-MR-X64G2RT-H
- UCS-MRX64G2RS-H
- 15-106199-01
- 74-12298-01
- M393A8K40B22-CISCO
- M393A8K40B22-CWD-CISCO
Compatible Memory Modules
- 64GB DDR4-2666 ECC Registered RDIMM 4Rx4
- 64GB PC4-21300V Registered ECC Server Memory
- 64GB DDR4 3DS TSV RDIMM Server Module
- Cisco UCS 64GB DDR4-2666 Registered Memory
- Samsung Enterprise DDR4-2666 64GB RDIMM
- Cisco UCS-MR-X64G2RT-H Memory Module
- Cisco UCS-MRX64G2RS-H Memory Module
Ideal Applications
- Cisco UCS Rack Servers
- Cisco UCS Blade Servers
- Virtualization and Cloud Infrastructure
- Microsoft Hyper-V Environments
- VMware vSphere Clusters
- Database and Analytics Platforms
- Enterprise Application Servers
- Private Cloud Deployments
- High-Density Data Centers
- Mission-Critical Business Systems
The Samsung M393A8K40B22-CWD-CISCO 64GB DDR4-2666 ECC Registered Memory provides the capacity, reliability, and performance required by modern enterprise environments, making it an excellent upgrade or replacement memory solution for Cisco UCS servers and other compatible DDR4 RDIMM platforms.
