HYNIX HMA42GR7AFR4N-UHTD Ecc Rdimm Ram Server Memory Ac DDR4-2400
( Brand: Hynix ), ( Manufacturer Part Number: HMA42GR7AFR4N-UHTD ), ( Form Factor: Rdimm ), ( Type: Rdimm Ddr4 Ecc Server Memory ), ( Total Capacity: 16 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-19200 ), ( Country Of Origin: China ), ( Memory Features: Ecc Memory, Registered )
Review HYNIX Lot Of 16gb Ddr4-2400 Ecc Rdimm Ram Server Memory Ac
The **Hynix HMA42GR7AFR4N-UHTD DDR4-2400 ECC RDIMM Server Memory** is a high-performance, enterprise-grade memory module meticulously engineered to deliver unparalleled reliability, speed, and efficiency in demanding server environments. Part of Hynix s cutting-edge **HMA42GR7AFR4N** series, this **2400 MHz DDR4** Registered DIMM (RDIMM) module is designed with precision for data centers, cloud computing, and high-performance computing (HPC) workloads where stability, scalability, and low-latency data access are critical. Featuring **24GB of high-density memory** across a single rank configuration, this module leverages **ECC (Error-Correcting Code) technology** to detect and automatically correct single-bit errors, ensuring data integrity even under the most intensive computational stresses. The **DDR4-2400** specification enables sustained data transfer rates of **19.2 GB/s per module**, significantly enhancing system throughput for memory-bound applications such as virtualization, database management, and AI/ML workloads. Built with **Hynix s advanced 16nm process technology**, the module incorporates **low-power, high-efficiency DRAM chips** that optimize energy consumption while maintaining peak performance, reducing operational costs in large-scale deployments. The **Registered DIMM architecture** further mitigates signal integrity issues by buffering commands from the memory controller, reducing bus contention and improving overall system stability particularly in multi-socket servers where memory bandwidth and latency are paramount. With **288-pin SODIMM form factor compatibility** (though typically installed in standard server motherboards via RDIMM slots), this module is backward-compatible with a wide range of **Intel Xeon, AMD EPYC, and other enterprise-grade server platforms**, making it a versatile upgrade solution for modern data centers. Additionally, the module adheres to **JEDEC standards**, ensuring seamless integration with existing server infrastructure while supporting features like **memory interleaving, error handling, and thermal management** for sustained reliability in 24/7 operational environments. Whether deployed in **high-availability clusters, storage arrays, or AI training servers**, the Hynix HMA42GR7AFR4N-UHTD RDIMM delivers a robust balance of speed, capacity, and error resilience, making it an indispensable component for next-generation computing architectures.
### **Pros and Cons of Buying Hynix HMA42GR7AFR4N-UHTD DDR4-2400 ECC RDIMM Server Memory**
#### **Pros**
1. **High Performance for Server Workloads**
The DDR4-2400 speed is sufficient for most server applications, including virtualization, web hosting, and database management. It provides a good balance between cost and performance for non-extreme workloads.
2. **Registered (RDIMM) Design**
RDIMMs are optimized for server environments, reducing the risk of instability compared to unbuffered memory. They help manage signal integrity over longer memory channels, which is critical in multi-socket servers.
3. **Error-Correcting Code (ECC) Support**
ECC memory is essential for servers to detect and correct single-bit errors, preventing data corruption in critical applications. This is particularly important for financial, healthcare, and enterprise environments where data integrity is non-negotiable.
4. **Compatibility with Mid-Range Servers**
This module is designed for standard server platforms (e.g., Dell PowerEdge, HP ProLiant, Lenovo ThinkServer, etc.), making it a reliable choice for businesses upgrading existing infrastructure.
5. **Cost-Effective for Standard Workloads**
Compared to higher-speed or low-latency memory, DDR4-2400 ECC RDIMMs offer a reasonable price point for general server use without sacrificing reliability.
6. **Reliability from Hynix**
Hynix (now part of SK Hynix) is a reputable manufacturer with a strong track record in server-grade memory. Their components are widely tested for stability in enterprise environments.
7. **Hot-Swap Capability (If Supported by Motherboard)**
Many server motherboards allow for hot-swapping of RDIMMs, reducing downtime during maintenance or upgrades.
---
#### **Cons**
1. **Lower Speed Than Higher-End Options**
DDR4-2400 is slower than DDR4-3200 or DDR5 alternatives. If the server is running memory-intensive workloads (e.g., high-frequency trading, AI/ML inference, or extreme virtualization), this could become a bottleneck.
2. **Limited Future-Proofing**
DDR4 is nearing the end of its lifecycle, and newer servers may prefer DDR5 for better efficiency and performance. While this module will work in DDR4-compatible systems, upgrading to DDR5 in the future may require a full memory replacement.
3. **Higher Latency Compared to Faster Modules**
DDR4-2400 has higher CAS latency (typically 15-18) compared to lower-latency DDR4-2400 modules (e.g., CAS 14). This can slightly impact performance in latency-sensitive applications.
4. **Potential for Overkill in Budget Systems**
If the server is underutilized or running lightweight workloads, the extra cost of ECC RDIMMs may not provide a significant performance benefit, making cheaper non-ECC memory a more economical choice.
5. **Vendor Lock-In Risks**
Some server manufacturers may require specific memory configurations (e.g., matched kits, certain part numbers) to ensure compatibility. Buying generic RDIMMs may sometimes lead to compatibility issues if not properly vetted.
6. **Power Consumption**
DDR4-2400 modules consume more power than lower-speed DDR4 options, which could impact cooling and energy costs in large-scale deployments.
7. **Limited Availability of Low-Latency Variants**
While this module is standard, some server workloads benefit from lower-latency RDIMMs (e.g., CAS 14). If such modules are required, they may be more expensive or harder to find.
---
### **Conclusion**
The **Hynix HMA42GR7AFR4N-UHTD DDR4-2400 ECC RDIMM** is a solid choice for businesses running standard server workloads where reliability and error correction are priorities. It strikes a balance between performance, cost, and compatibility, making it ideal for virtualization, web hosting, and general enterprise applications.
However, if the server is pushing high-performance boundaries (e.g., heavy virtualization, AI workloads, or future-proofing), a faster module (DDR4-3200 or DDR5) with lower latency may be more beneficial. For budget-conscious deployments where ECC is unnecessary, non-ECC memory could be a cost-effective alternative.
### **Recommendation**
- **Buy this module if:**- You need reliable, ECC-protected memory for a standard server workload.
- Your server is DDR4-compatible and doesn t require extreme performance.
- You prioritize stability over raw speed (e.g., financial, healthcare, or mission-critical applications).
- **Consider alternatives if:**- Your workload demands higher memory speeds (DDR4-3200 or DDR5).
- You need lower-latency modules for latency-sensitive tasks.
- You re planning to upgrade soon and want future-proofing (DDR5 may be worth the investment).
For most mid-range server deployments, this Hynix RDIMM is a **reliable and cost-effective choice**. However, always verify compatibility with your specific server model before purchasing.
Details:
For servers and workstations only will not work in regular desktop pc. These come from a Dell workstation 5810 that I don't use much and never need this memory. Hynix 16GB DDR4-2400 ECC RDIMM RAM Server Memory HMA42GR7AFR4N-UHTD AC, Tested working Registered memory 2 pieces 16 GB each.
part #: hma42gr7afr4n prices
- $66.60-$342.77
specifications servermemor:
- brand: Hynix
- mpn: Hma42gr7afr4n-uhtd
- form factor: Rdimm
- type: Rdimm Ddr4 Ecc Server Memory
- total capacity: 16 Gb
- number of pins: 288
- bus speed: Pc4-19200
- country of origin: China
- memory features: Ecc Memory, Registered
shipping servermemor:
- type: Calculated
- carrier: UPS
- class: Standard
- transit: 3-7 Days
- cost: $10.24
- service: UPS Ground
general servermemor:
- condition: Used
- Enterprise Networking, Servers > Server Components > Server Memory RAM
payments servermemor:
- other
- credit card: Discover
- wallet: Google-pay
returns servermemor:
- time: 30 Days
- policy: Returns Accepted
- method: Money back
- paid by: Buyer
offer servermemor:
- availability: In Stock
- quantity: 1
- sold: 0
- started: March 2, 2026
- options: Ship-to-home
seller servermemor:
- city: Pittsford, New York
- # reviews: 350
- rating: 100.0%
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