
( Brand: Hynix ), ( Manufacturer Part Number: ST2047UD420825HC ), ( Type: Ecc Ram ), ( Bus Speed: Pc4-25600 ), ( Memory Features: Ecc Memory ), ( Form Factor: Rdimm ), ( Capacity Per Module: 16 Gb ), ( Number Of Pins: 240 ), ( Country Of Origin: Myanmar / Burma )
The **Hynix ST2047UD420825HC** is a high-performance, enterprise-grade **DDR4-3200MHz Smart ECC Unbuffered (UDIMM) server memory module**, engineered to deliver uncompromising reliability, efficiency, and scalability for demanding data center and workstation applications. Built with **Hynix s advanced 16nm process technology**, this module features **8GB of high-density DDR4 memory** across two 4GB DIMMs, offering a total capacity of **16GB per slot** when installed in pairs, making it an ideal choice for servers requiring robust memory expansion without sacrificing performance. The **DDR4-3200MHz** speed ensures rapid data transfer rates, enabling faster processing, reduced latency, and improved throughput for memory-intensive workloads such as virtualization, database management, AI/ML training, and high-performance computing (HPC). With **registered ECC (Error-Correcting Code) functionality**, this module actively detects and corrects single-bit errors while detecting multi-bit errors, significantly enhancing data integrity and preventing costly downtime in mission-critical environments.
Designed with **smart memory features**, the ST2047UD420825HC incorporates **low-power operation** and **optimized power management**, reducing energy consumption while maintaining peak performance an essential consideration for large-scale deployments where efficiency directly impacts operational costs. The **unbuffered (UDIMM) architecture** ensures seamless compatibility with a wide range of server platforms, including Intel Xeon and AMD EPYC-based systems, while its **288-pin DIMM form factor** adheres to industry standards for easy integration. Each module is rigorously tested for **high endurance and thermal stability**, operating reliably within a broad temperature range (0 C to 85 C), making it suitable for both traditional data centers and high-density server racks. Additionally, the **Hynix Smart Memory** technology integrates advanced error handling and predictive failure analysis, providing administrators with proactive insights to maintain system health and prevent failures before they impact operations.
For organizations prioritizing **scalability and future-proofing**, the ST2047UD420825HC supports **RDIMM and LRDIMM configurations** when paired with compatible memory controllers, allowing for seamless upgrades as workload demands evolve. Its **low-profile design** ensures compatibility with space-constrained server chassis, while the **lead-free and RoHS-compliant** construction aligns with global sustainability standards. Whether deployed in **cloud infrastructure, enterprise storage solutions, or high-performance computing clusters**, this memory module delivers a perfect balance of speed, reliability, and efficiency, ensuring peak performance for the most demanding applications while minimizing operational risks.
**Pros and Cons of Buying Hynix ST2047UD420825HC DDR4-3200 Smart ECC Unbuffered Server RAM**
### **Pros**
1. **High Performance and Speed**
The DDR4-3200 module operates at a higher clock speed compared to standard DDR4-2400 or DDR4-2666 modules, which can improve data throughput and reduce latency in server workloads. This is particularly beneficial for applications requiring fast memory access, such as databases, virtualization, and high-performance computing.
2. **ECC (Error-Correcting Code) Protection**
ECC memory is designed to detect and correct single-bit errors, which is critical for server environments where data integrity is paramount. This reduces the risk of crashes or corruption due to memory errors, improving reliability and uptime.
3. **Unbuffered (RDIMM) Design**
As an unbuffered module (RDIMM), this RAM is optimized for single-socket server systems. It provides lower latency compared to buffered (LRDIMM) or registered (RRDIMM) modules, making it suitable for workloads where speed is prioritized over capacity in multi-socket configurations.
4. **Smart Features**
The "Smart" designation suggests the module includes advanced features such as:- **Memory Rank Sparing**: Automatically replaces faulty memory ranks without requiring manual intervention.
- **Error Logging**: Detailed error reporting to help diagnose issues.
- **Self-Testing**: Built-in diagnostics to ensure reliability.
These features enhance fault tolerance and simplify maintenance in enterprise environments.
5. **Compatibility with Modern Servers**
DDR4-3200 is a relatively high-speed standard that is supported by many modern server platforms, including those from Dell, HP, Lenovo, and others. This ensures broader compatibility with newer server hardware.
6. **Cost-Effective for High-Performance Needs**
While DDR4-3200 modules may be more expensive than slower DDR4 options, they offer a balance between performance and cost for servers where speed is a critical factor. The inclusion of ECC and smart features justifies the investment for mission-critical applications.
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### **Cons**
1. **Higher Cost Compared to Lower-Speed DDR4**
DDR4-3200 modules are generally more expensive than DDR4-2400 or DDR4-2666 modules. For budget-conscious deployments where maximum speed is not required, this could be a significant drawback.
2. **Limited Availability and Compatibility Issues**
Not all server motherboards support DDR4-3200, especially older or budget-friendly models. Before purchasing, it is essential to verify compatibility with the specific server platform to avoid issues. Some servers may require manual adjustments or BIOS updates to support this speed.
3. **Power Consumption**
Higher-speed memory modules consume more power than slower ones. In large-scale server deployments, this increased power draw could lead to higher operational costs and additional cooling requirements.
4. **Heat Generation**
DDR4-3200 modules tend to run hotter due to their higher operational frequency. This may necessitate better cooling solutions in the server chassis to prevent thermal throttling or failure.
5. **Potential for Overkill in Some Use Cases**
For less demanding server workloads (e.g., basic file servers, low-traffic web servers, or legacy applications), the performance benefits of DDR4-3200 may not be fully utilized. In such cases, slower and cheaper DDR4 modules might suffice.
6. **Vendor Lock-In Risks**
While Hynix is a reputable manufacturer, some server vendors may have proprietary requirements or restrictions on third-party memory. Always check if the module is certified for your specific server model to avoid compatibility issues.
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### **Conclusion**
The **Hynix ST2047UD420825HC DDR4-3200 Smart ECC Unbuffered Server RAM** is an excellent choice for **high-performance server workloads** where speed, reliability, and data integrity are critical. Its ECC protection, smart features, and high clock speed make it ideal for databases, virtualization, and compute-intensive applications. However, the higher cost, potential compatibility issues, and increased power consumption may not justify its use in less demanding environments.
### **Recommendation**
- **Buy this module if**:- You are deploying a **single-socket server** with a workload requiring high memory bandwidth (e.g., virtualization, high-performance databases, or AI/ML workloads).
- Your server platform **supports DDR4-3200** and you have verified compatibility.
- Reliability and uptime are prioritized, and the cost is justified by performance gains.
- You need **ECC protection and smart features** to reduce downtime and simplify troubleshooting.
- **Consider alternatives if**:- Your budget is constrained, and you can achieve similar performance with **DDR4-2666 or DDR4-2933** modules.
- Your server is **multi-socket**, and you might benefit from **LRDIMM or RRDIMM** modules for better capacity and scalability.
- The workload is **not memory-bound**, and slower DDR4 modules would suffice.
For most **enterprise-grade single-socket servers** where performance and reliability are key, this Hynix module is a strong recommendation. Always cross-check compatibility with your server s BIOS and documentation before purchasing.
Just add all desired items to your cart before checking out. 16GB DDR4 SK Hynix/SMART 1Rx8 PC4-3200AA-ED2-11 ECC Unbuffered ST2047UD420825HC The photos show the actual item you'll receive.