
( Brand: Hynix ), ( Manufacturer Part Number: HMAG74EXNRA084N ), ( Form Factor: Rdimm ), ( Type: Ddr4 Sdram ), ( Unit Type: Unit ), ( Capacity Per Module: 16 Gb ), ( Bus Speed: Pc4-25600 ), ( Memory Features: Ecc Memory, Registered )
The **Hynix HMAG74EXNRA084N-2RX4 PC4-3200AA-RC2-14** is a high-performance, enterprise-grade DDR4 server memory module engineered for demanding workloads in data centers, cloud computing, and high-availability server environments. Part of Hynix s **HMA84** series, this **256GB (2x 128GB) RDIMM (Registered DIMM)** module delivers exceptional reliability, scalability, and efficiency, making it an ideal choice for mission-critical applications requiring sustained high-speed data processing. Built with **16Gb (2048Mb) x8 DDR4 DRAM chips**, each rank operates at an optimized **PC4-3200 (2400MHz) speed**, enabling seamless data transfer rates of **24.0 GB/s per module** while maintaining low latency for optimal system responsiveness. The module adheres to **JEDEC standards**, ensuring full compatibility with a wide range of x86-based servers, including those from Dell EMC PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and other leading vendors that support **DDR4 RDIMM configurations**.
Designed with **error-correcting code (ECC) functionality**, this memory module actively mitigates data corruption risks by detecting and correcting single-bit errors on the fly, a critical feature for maintaining data integrity in large-scale databases, virtualization environments, and high-frequency trading systems. The **registered DIMM architecture** further enhances stability by buffering signals between the memory controller and the DIMM, reducing electromagnetic interference and improving signal integrity across multi-socket server configurations. Additionally, the module incorporates **low-power DDR4 (LP-DDR4) optimized power management**, featuring **1.2V voltage operation** and **RC2 timing mode**, which balances performance with energy efficiency ideal for power-conscious data centers aiming to minimize operational costs while maximizing computational throughput.
Built to endure the rigors of continuous operation, the **Hynix HMAG74EXNRA084N** is constructed with **high-reliability components**, including **military-grade (MIL-STD-883) tested DRAM chips** and **gold-plated connectors** to prevent oxidation and ensure long-term durability. The module s **240-pin SODIMM form factor** (though physically larger due to RDIMM design) allows for seamless integration into dual-channel memory slots, enabling servers to achieve **dual-rank operation** for enhanced bandwidth and reduced latency spikes. Whether deployed in **2U rack servers, blade systems, or high-density compute nodes**, this memory module excels in environments where **scalability, fault tolerance, and sustained performance** are non-negotiable. For IT administrators and system architects prioritizing **future-proofing infrastructure**, the **Hynix HMAG74EXNRA084N** represents a robust investment in high-performance memory solutions that align with next-generation server architectures.
### **Pros and Cons of Buying Hynix HMAG74EXNRA084N-2RX4 PC4-3200AA-RC2-14 Server Memory**
#### **Pros:**1. **High Performance and Speed** This is a **PC4-3200** (2400 MT/s) DDR4 memory module, which is optimized for modern server workloads, including virtualization, databases, and high-performance computing. The **RC2 (Registered Cached)** configuration improves signal integrity in multi-socket systems, reducing latency and improving stability.
2. **Server-Grade Reliability** Hynix (now part of SK Hynix) is a trusted manufacturer known for producing high-quality, enterprise-grade memory. The **2400 MT/s** speed is well-suited for **Intel Xeon Scalable (SAP) and AMD EPYC** platforms, which commonly use this speed tier for balanced performance and power efficiency.
3. **Registered Cached (RC2) Design** Registered memory helps mitigate signal degradation in long memory channels, making it ideal for **multi-socket servers** (e.g., 2U servers with 2 or 4 sockets). The **cached** variant provides additional buffering, which can improve performance in certain workloads.
4. **Compatibility with Modern Servers** This module is designed for **DDR4 ECC (Error-Correcting Code) memory**, which is standard in enterprise and data center environments. It supports **RDIMM (Registered DIMM)** form factor, making it suitable for servers that require registered memory for stability.
5. **Low Power Consumption** The **AA (Advanced Application) variant** suggests it may have optimized power management, reducing heat generation compared to standard server memory. This can contribute to better thermal efficiency in high-density server environments.
6. **Widely Available and Cost-Effective** As a **2400 MT/s** module, it strikes a balance between performance and price, making it a cost-effective choice for mid-range server deployments. It is commonly used in **Intel Xeon E5/E7 (older) and Xeon Scalable (SAP) platforms**, as well as **AMD EPYC** systems.
7. **ECC Protection** The module includes **ECC**, which helps detect and correct single-bit errors, reducing data corruption risks in critical applications like databases, financial systems, and virtualization.
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#### **Cons:**1. **Not the Fastest Option for High-End Workloads** While **2400 MT/s** is sufficient for most server workloads, it is **not the fastest** available (e.g., **3200 MT/s, 3600 MT/s, or 4800 MT/s** modules exist for extreme performance needs). If your workload is **CPU-bound with heavy memory bandwidth demands** (e.g., AI training, high-frequency trading, or certain database operations), a faster module (if supported by your CPU) may provide better throughput.
2. **Potential Overkill for Low-End Servers** If you are running a **budget server** (e.g., a single-socket Xeon or low-end EPYC), the **registered memory requirement** may be unnecessary, and **unbuffered (UDIMM) memory** could suffice at a lower cost. However, **RC2 is still a good choice for multi-socket or high-reliability needs**.
3. **Limited Upgrade Path** Some newer **AMD EPYC (e.g., Genoa, Milan) and Intel Xeon (e.g., Sapphire Rapids)** platforms support **higher speeds (4800 MT/s, 5600 MT/s)**. If you plan to upgrade your CPU in the future, you may need to replace the memory, which could be costly.
4. **Power and Thermal Considerations** While **AA (Advanced Application)** suggests better power efficiency, **registered memory still draws more power** than unbuffered memory. In **high-density server racks**, this can contribute to higher cooling requirements.
5. **Potential Compatibility Issues** Some **older server motherboards** (especially those from **Intel Xeon E5/E7**) may have **strict memory compatibility lists**. Always verify that this exact model is **QVL (Qualified Vendor List) approved** for your specific server model to avoid compatibility issues.
6. **Higher Cost Than Consumer Memory** Server memory is **more expensive** than consumer-grade DDR4 due to **ECC, registered buffering, and enterprise-grade testing**. If you are running a **non-critical workload**, consumer memory (non-ECC) may be a more economical choice.
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### **Conclusion:**The **Hynix HMAG74EXNRA084N-2RX4 PC4-3200AA-RC2-14** is a **strong, reliable choice** for **enterprise and server deployments**, particularly in environments requiring **ECC, registered memory, and balanced performance**. It is well-suited for:
- **Multi-socket servers** (Intel Xeon Scalable, AMD EPYC)
- **Virtualization hosts** (VMware, Hyper-V)
- **Database servers** (SQL, Oracle)
- **Workloads needing stability and error correction**
However, if you are running a **single-socket server with a less demanding workload**, you might consider **unbuffered (UDIMM) memory** for cost savings. Additionally, if your **CPU supports higher speeds (e.g., 3600 MT/s or 4800 MT/s)**, upgrading to a faster module could provide **better memory bandwidth** for certain applications.
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### **Recommendation:** **Buy this memory if:**You are running a **multi-socket server** (2 CPUs).
Your workload requires **ECC protection** (databases, virtualization, financial systems).
Your server **supports DDR4-2400 RC2** (Intel Xeon Scalable, AMD EPYC 1st/2nd Gen, some Xeon E5/E7).
You need **registered memory for signal integrity** in long memory channels.
**Consider alternatives if:**You are on a **single-socket server** and can use **UDIMM** for cost savings.
Your **CPU supports higher speeds (e.g., 3600 MT/s or 4800 MT/s)** and your workload benefits from it.
You are running **non-critical workloads** where ECC is unnecessary (e.g., file servers, basic web hosting).
**Final Verdict:**This is a **solid, enterprise-grade memory module** that offers **reliability, performance, and compatibility** for most server deployments. If your system requirements align with its specifications, it is a **recommended purchase**. Always verify **QVL compatibility** with your specific server model before ordering.
Item:Hynix 16GB 2Rx4 PC4-3200AA-RC2-14 SERVER MEMORY HMAG74EXNRA084N, condition: REF, Qty:1 Shipping 1.