CISCO HMA84GR7JFR4N-VK Dimm Ecc Server Memory 32GB UCS-MR-X32G2RS-H DDR4-2666

( Brand: Cisco ), ( Manufacturer Part Number: HMA84GR7JFR4N-VK ), ( Total Capacity: 32 Gb ), ( Item Length: 133mm ), ( Memory Features: Registered, Ecc Memory ), ( Form Factor: Dimm ), ( Type: Ddr4 Sdram ), ( Item Height: 30mm ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-21300 ), ( Item Width: 8mm )

Review CISCO Ddr4-2666 Dimm Registered Ecc Server Memory

The **Cisco UCS Memory Module (UCS-MR-X32G2RS-H, Part Number: HMA84GR7JFR4N-VK)** is a high-performance, enterprise-grade DDR4 memory solution designed exclusively for Cisco Unified Computing System (UCS) servers, delivering unparalleled reliability, scalability, and efficiency for mission-critical workloads. Engineered to meet the demanding requirements of modern data centers, this **32GB (2Rx4) DDR4-2664MHz Registered (RDIMM) ECC memory module** leverages Cisco s proprietary UCS memory architecture to optimize performance while ensuring seamless integration with Cisco s scalable server infrastructure. Built with **low-power, high-density DRAM chips**, this module supports advanced error correction (ECC) to protect against data corruption, making it ideal for applications requiring fault tolerance, such as virtualization, cloud computing, and high-performance computing (HPC). The **Registered DIMM (RDIMM) configuration** enhances signal integrity and reduces power consumption, while the **2666MHz clock speed** ensures rapid data transfer rates, minimizing latency and maximizing throughput for resource-intensive tasks. Compatible with Cisco s **UCS B-Series Blade Servers and C-Series Rack Servers**, this memory module is engineered to work in tandem with Cisco s **UCS Manager**, enabling centralized management, dynamic resource allocation, and seamless scalability across hybrid and multi-cloud environments. Whether deployed in a traditional data center or a modern cloud infrastructure, this module provides the foundation for high-speed, low-latency operations, ensuring peak performance for virtualized workloads, AI/ML training, and large-scale database operations. With Cisco s commitment to quality and interoperability, this memory module is a critical component for organizations seeking to future-proof their infrastructure with enterprise-grade reliability and cutting-edge memory technology.

### **Pros and Cons of Buying Cisco UCS Memory Module (HMA84GR7JFR4N-VK / UCS-MR-X32G2RS-H, 32GB DDR4-2666 ECC DIMM)**

1. **High Capacity and Performance** The 32GB DDR4-2666 ECC DIMM provides substantial memory capacity, improving workload handling for virtualization, databases, and high-performance computing. DDR4-2666 offers better throughput than older DDR3 modules, enhancing system responsiveness.

2. **Error Correction (ECC)** ECC memory helps detect and correct single-bit errors, reducing data corruption risks in mission-critical applications. This is particularly valuable in enterprise environments where data integrity is paramount.

3. **Compatibility with Cisco UCS Servers** This module is designed specifically for Cisco UCS systems, ensuring optimal performance and reliability within the UCS architecture. It supports the X32G2RS-H slot, which is part of the UCS M4/M5/M6 generations.

4. **Reliability and Support** Cisco is a trusted vendor in enterprise infrastructure, offering robust warranties, technical support, and compatibility with Cisco s unified computing ecosystem. This reduces long-term maintenance risks.

5. **Scalability** The UCS platform allows for easy expansion, meaning you can add more memory modules as workload demands grow without replacing the entire system.

6. **Low Latency** DDR4-2666 memory, while not the absolute fastest, provides a good balance between speed and power efficiency, making it suitable for most enterprise workloads.

7. **Registered (Buffered) Design** The "RS-H" designation indicates it is a registered (buffered) DIMM, which helps stabilize memory signaling on high-channel-count systems, reducing signal integrity issues.

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1. **Cost** High-capacity ECC memory modules are expensive compared to non-ECC or lower-capacity options. The 32GB size may be overkill for smaller deployments, leading to unnecessary expenditure.

2. **Vendor Lock-In** Cisco s proprietary memory modules are not compatible with non-Cisco servers, limiting flexibility if you ever need to migrate to a different platform. This can be a drawback if future-proofing or cost optimization is a priority.

3. **Power Consumption** DDR4-2666 modules consume more power than older DDR3 or lower-speed DDR4 variants. In large-scale deployments, this can contribute to higher operational costs.

4. **Limited Availability** Cisco memory modules may not be as widely stocked as third-party alternatives, potentially leading to longer lead times or dependency on Cisco s supply chain.

5. **Potential Over-Provisioning** If your workload does not require 32GB per slot, purchasing this module may result in unused capacity, increasing costs without proportional benefits.

6. **Deprecation Risk** Cisco periodically phases out older memory models in favor of newer, more efficient designs (e.g., DDR4-3200 or DDR5). While this module is still supported, future compatibility may require upgrades.

7. **No Overclocking or Customization** Unlike consumer memory, enterprise modules like this are optimized for stability rather than performance tuning, meaning you cannot adjust timings or speeds beyond the manufacturer s specifications.

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### **Conclusion and Recommendation**

This **Cisco UCS 32GB DDR4-2666 ECC Registered DIMM (HMA84GR7JFR4N-VK)** is an excellent choice for **enterprise environments** where reliability, scalability, and data integrity are critical. It is ideal for:

- **Virtualized data centers** (VMware, Hyper-V, Nutanix).

- **Database-heavy workloads** (Oracle, SQL Server, PostgreSQL).

- **High-performance computing (HPC) or AI/ML workloads** requiring substantial memory.

- **Mission-critical applications** where ECC protection is non-negotiable.

- You are working with a **smaller budget** or lower memory requirements.

- You prioritize **flexibility and cost efficiency** over vendor-specific solutions.

- Your workload does not demand **32GB per slot**, making smaller modules (e.g., 16GB) more economical.

- You are deploying or upgrading a **Cisco UCS M4/M5/M6 server**.

- Your workloads require **high memory capacity with ECC protection**.

- You value **Cisco s support and long-term reliability**.

- You need **lower-cost memory** (e.g., non-ECC or third-party modules for non-UCS servers).

- Your system can use **smaller DIMMs** (e.g., 16GB) to reduce upfront costs.

- You are evaluating **newer DDR4-3200 or DDR5 options** for future-proofing.

For most **enterprise-grade UCS deployments**, this module is a **strong, justified purchase** given its performance and reliability. However, always verify compatibility with your specific UCS model and workload demands before committing.

Details:

Used for a short time and then pulled. Pulled from Working and all checks passed.

part #: hma84gr7jfr4n prices

• $125.00-$169.00

specifications servermemor:

• brand: Cisco
• mpn: Hma84gr7jfr4n-vk
• total capacity: 32 Gb
• item length: 133mm
• memory features: Registered, Ecc Memory
• form factor: Dimm
• type: Ddr4 Sdram
• item height: 30mm
• number of pins: 288
• bus speed: Pc4-21300
• item width: 8mm

returns servermemor:

• policy: No Returns

payments servermemor:

• other
• credit card: Visa
• wallet: Apple-pay

general servermemor:

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

shipping servermemor:

• carrier: USPS
• cost: $0.00
• service: USPS Ground Advantage
• transit: 5-11 Days
• type: Calculated
• class: Standard

offer servermemor:

• sold: 0
• quantity: 4
• options: Ship-to-home
• availability: In Stock
• started: April 23, 2026

seller servermemor:

• rating: 100.0%
• city: Indian Trail, North Carolina
• # reviews: 97

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