CISCO / SK HYNIX 15-105081-01 Ecc Rdimm Server Ram 32GB DDR4-2666V UCS-MR-X32G2RS-H

( Brand: Cisco / Sk Hynix ), ( Manufacturer Part Number: 15-105081-01 ), ( Type: Ddr4 ), ( Bus Speed: Pc4-21300 ), ( Memory Features: Ecc Memory, Registered ), ( Form Factor: Rdimm ), ( Total Capacity: 32 Gb ), ( Number Of Pins: 288 )

Review CISCO / SK HYNIX Ddr4-2666v Ecc Rdimm Server Ram

The **Cisco SK Hynix 32GB DDR4-2666 ECC RDIMM Server RAM (Part Number: 15-105081-01, UCS-MR-X32G2RS-H)** is a high-performance, enterprise-grade memory module meticulously engineered for demanding server environments, particularly within Cisco s Unified Computing System (UCS) infrastructure. Designed to deliver uncompromising reliability and scalability, this **Registered Dual In-Line Memory Module (RDIMM)** incorporates cutting-edge **DDR4 technology** operating at a robust **2666 MHz** clock speed, ensuring optimal data throughput and reduced latency for mission-critical workloads. The module features **32GB of high-density memory**, leveraging **SK Hynix s advanced DRAM chips** to provide consistent performance under sustained heavy loads, making it an ideal choice for virtualized environments, high-performance computing (HPC), and data-intensive applications such as AI/ML training, database management, and real-time analytics.

Built with **Error-Correcting Code (ECC) technology**, this memory module actively detects and corrects single-bit errors, safeguarding data integrity in fault-tolerant server deployments where uptime and accuracy are paramount. The **RDIMM architecture** ensures compatibility with Cisco s UCS servers, which require registered memory for stable operation in multi-socket configurations, preventing voltage fluctuations that could otherwise destabilize system performance. The module adheres to strict **JEDEC standards**, guaranteeing seamless integration with Cisco s UCS B-Series and C-Series blades, as well as other industry-standard server platforms that support DDR4-2666 RDIMMs. Its **low-power design** minimizes heat generation, contributing to improved thermal efficiency and extended component lifespan in high-density server racks.

Crafted for enterprise-grade durability, this memory module is built to endure the rigorous demands of 24/7 operations, offering long-term reliability in both traditional IT environments and modern data centers. The **Cisco UCS-MR-X32G2RS-H** designation confirms its compatibility with Cisco s Unified Computing System, ensuring optimized performance in virtualized and cloud-native architectures. Whether deployed in a standalone server, a clustered environment, or a hyperconverged infrastructure, this module enhances system responsiveness, reduces memory bottlenecks, and supports the expansion of workload capacity without compromising stability. For organizations prioritizing performance, scalability, and data protection, the **Cisco SK Hynix 32GB DDR4-2666 ECC RDIMM** represents a strategic investment in high-performance server memory, delivering both immediate efficiency gains and future-proofing for evolving computational demands.

### **Pros and Cons of buying a Cisco SK Hynix 32GB DDR4-2666 ECC RDIMM Server RAM (UCS-MR-X32G2RS-H)**

1. **High Capacity and Performance** The 32GB capacity provides substantial memory for high-demand workloads, such as virtualization, databases, and enterprise applications. DDR4-2666 offers faster data transfer speeds compared to older DDR4-2133 modules, improving system responsiveness.

2. **Error-Correcting Code (ECC) Support** ECC memory helps detect and correct single-bit errors, reducing data corruption risks in critical server environments. This is essential for financial, healthcare, and mission-critical applications where data integrity is paramount.

3. **Registered DIMM (RDIMM) Design** RDIMMs are optimized for multi-socket servers, reducing power consumption and improving stability in high-channel-count systems. They are a cost-effective choice for servers requiring more than 64GB per socket.

4. **Compatibility with Cisco UCS Servers** This module is specifically designed for Cisco Unified Computing System (UCS) servers, ensuring seamless integration with Cisco s hardware ecosystem. It supports UCS C-Series, B-Series, and other compatible platforms.

5. **Reliability and Durability** SK Hynix is a reputable manufacturer known for high-quality memory modules. The module is built for enterprise-grade reliability, with robust error handling and long-term availability.

6. **Future-Proofing** DDR4-2666 is a mature standard with broad compatibility, ensuring longevity in server deployments. While newer DDR5 modules exist, DDR4 remains widely supported in many enterprise environments.

7. **Cost-Effective for High-Density Deployments** Compared to LRDIMMs or RL-DIMMs, RDIMMs offer a balanced price-to-performance ratio for servers requiring moderate to high memory capacity per socket.

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1. **Limited to DDR4 Technology** DDR4 is approaching the end of its lifecycle, and newer servers may eventually require DDR5 modules. While this module will work in current systems, future upgrades may necessitate additional purchases.

2. **Higher Power Consumption Than DDR3** DDR4 modules generally draw more power than DDR3, which could impact energy costs in large-scale deployments. However, this is a minor consideration compared to the performance benefits.

3. **Potential for Overprovisioning** If the server does not require 32GB per slot, purchasing this module may result in unused capacity, increasing costs without additional benefits.

4. **Vendor Lock-In with Cisco** While Cisco-compatible, this module is not universally compatible with non-Cisco servers. If the system is upgraded or replaced with a different brand, the module may not be usable elsewhere.

5. **Price Sensitivity** High-capacity ECC RDIMMs can be expensive, especially in bulk purchases. Organizations with tight budgets may need to weigh the cost against alternative configurations (e.g., smaller DIMMs in more slots).

6. **No Support for Advanced Features in Some Systems** Some newer UCS servers may support advanced memory features (e.g., persistent memory or NV-DIMMs), but this module does not offer those capabilities.

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The **Cisco SK Hynix 32GB DDR4-2666 ECC RDIMM (UCS-MR-X32G2RS-H)** is an excellent choice for **enterprise servers requiring high memory capacity, reliability, and compatibility with Cisco UCS platforms**. Its ECC protection, RDIMM design, and performance make it suitable for virtualization, databases, and other demanding workloads. However, its DDR4 limitation and potential overprovisioning risks should be considered, particularly in environments where future scalability or cost optimization is a priority.

- You are deploying a **Cisco UCS server** (C-Series, B-Series, or compatible platforms).

- Your workloads require **high memory capacity (32GB per slot)** with **ECC protection**.

- You prioritize **reliability and long-term availability** from a trusted manufacturer like SK Hynix.

- Your server architecture **supports DDR4-2666 RDIMMs** and does not require DDR5 or advanced memory features.

- You need **DDR5 compatibility** for future-proofing (e.g., newer Cisco UCS servers).

- Your budget is constrained, and **smaller DIMMs (e.g., 16GB or 64GB LRDIMMs)** would suffice.

- You are not using Cisco hardware and require **universal compatibility** (though Cisco-specific modules are often better optimized).

- Your workloads are **light on memory**, and overprovisioning would be inefficient.

For most **Cisco UCS-based enterprise deployments**, this module is a **strong, cost-effective choice** that balances performance, reliability, and compatibility. However, always verify **server compatibility** and **future upgrade paths** before purchasing.

Details:

Data Transfer Rate. Registered / Buffered. Rank Architecture. Module Capacity.

CAS Latency Timings. Used / Tested. Component Manufacturer. Cisco Internal Part Number.

Operating voltage . Target Platform. Error Correction Code. Signal Processing.

Cisco 15-105081-01 32GB DDR4-2666V ECC RDIMM Server RAM UCS-MR-X32G2RS-H Hynix: Product ID PID. There is no known MFG warranty. JEDEC Performance Code. Please see the following for details on program.

Module Form Factor.

part #: 1510508101 prices

• $125.00-$139.95

specifications servermemor:

• brand: Cisco / Sk Hynix
• mpn: 15-105081-01
• type: Ddr4
• bus speed: Pc4-21300
• memory features: Ecc Memory, Registered
• form factor: Rdimm
• total capacity: 32 Gb
• number of pins: 288

seller servermemor:

• city: Ripon, California
• # reviews: 32333
• rating: 99.9%

general servermemor:

• condition: Used
• Enterprise Networking, Servers > Server Components > Server Memory RAM

returns servermemor:

• time: 60 Days
• paid by: Seller
• method: Money back
• policy: Returns Accepted

offer servermemor:

• started: May 21, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 60
• sold: 0

payments servermemor:

• wallet: Paypal
• other
• credit card: Discover

shipping servermemor:

• service: Standard, FedEx 2Day, FedEx Standard Overnight
• cost: $0.00
• carrier: FedEx
• transit: 5-8 Days
• type: Fixed
• class: Standard, Expedited, One-day

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