SK HYNIX HMAA8GR7CJR4N-XNTG Sever Ram 64GB 2RX4 PC4-3200AA-RB2-13 WH429

( Brand: Sk Hynix ), ( Manufacturer Part Number: HMAA8GR7CJR4N-XNTG ), ( Form Factor: Rdimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 64 Gb ), ( Unit Type: Unit )

Review SK HYNIX 2rx4 Sever Ram

The **SK Hynix HMMA8GR7CJR4N-XNTG 64GB (2x32GB) DDR4-3200 CL16 Registered ECC RDIMM Server Memory** is a high-performance, enterprise-grade memory module meticulously engineered for demanding server workloads, ensuring reliability, scalability, and peak computational efficiency. Built on SK Hynix s advanced semiconductor technology, this **2Rx4 (2-rank x 4GB) RDIMM** configuration delivers optimal bandwidth and latency performance while adhering to strict industry standards for data integrity and system stability. With a **64GB capacity** (comprising two 32GB DIMMs), it is ideal for high-end servers, virtualization platforms, cloud computing environments, and mission-critical applications where memory density and speed are paramount. The **DDR4-3200** clock speed, paired with a **CAS latency of 16 (CL16)**, provides a balanced performance profile that maximizes throughput while maintaining energy efficiency, making it suitable for workloads ranging from database management and AI/ML training to high-frequency trading and real-time analytics.

Designed with **Registered (Buffered) ECC (Error-Correcting Code)** technology, this memory module actively mitigates data corruption risks by detecting and automatically correcting single-bit errors, a critical feature for servers handling large datasets or running 24/7 operations. The **RDIMM architecture** further enhances system stability by buffering signals between the memory controller and DIMMs, reducing signal integrity issues in multi-socket configurations. The **PC4-3200AA-RB2-13** specification denotes its compatibility with a wide array of enterprise-grade server platforms, including those from Dell, HP, Lenovo, and other major vendors, ensuring seamless integration with modern x86 architectures. The **WH429** model designation signifies its adherence to strict quality control measures, including rigorous testing for endurance, thermal stability, and longevity, making it a dependable choice for extended deployment cycles in data centers.

Physically, the module features a **280-pin SODIMM form factor** (though typically installed in standard server slots), with a robust heat spreader to dissipate thermal energy efficiently, preventing throttling under sustained workloads. The **XNTG** suffix indicates it is part of SK Hynix s **XMP (Extreme Memory Profile) or server-optimized lineup**, often pre-tested for compatibility with specific server motherboards and BIOS configurations. Whether deployed in a single-socket workstation or a multi-node cluster, this memory module ensures consistent performance, reduced latency, and enhanced system reliability, making it an indispensable component for organizations prioritizing scalability and high availability in their IT infrastructure.

**Pros and Cons of SK Hynix HMMA8GR7CJR4N-XNTG (64GB, 2Rx4, PC4-3200AA-RB2-13 Server RAM)**

### **Pros**

1. **High Capacity and Density** The 64GB configuration (2Rx4) provides substantial memory for demanding workloads, such as virtualization, large databases, or high-performance computing. This is ideal for enterprise servers where memory-intensive applications are common.

2. **Low Latency and High Performance** The **PC4-3200** specification translates to **1600MHz DDR4**, which is a solid speed for server-grade memory. This ensures faster data access and improved throughput for CPU-bound tasks, reducing latency in memory-intensive operations.

3. **Registered (Buffered) Memory (RB2)** This module is **Registered (RDIMM)**, meaning it includes a buffer chip to stabilize data transfer between the memory and CPU. Registered memory is more stable in multi-socket servers, reducing errors in high-bandwidth environments.

4. **ECC Support** The **AA (Advanced Application)** designation indicates that this module supports **Error-Correcting Code (ECC)**, which detects and corrects single-bit errors. This is critical for data integrity in servers, preventing silent data corruption in critical applications.

5. **Server-Grade Reliability** SK Hynix is a reputable manufacturer known for producing high-quality server memory. The **XNTG** model is designed for enterprise use, offering better heat dissipation and longevity compared to consumer-grade RAM.

6. **Compatibility with Modern Servers** This module is designed for **DDR4** platforms, which are still widely used in enterprise servers. It should work seamlessly with most **Intel Xeon** and **AMD EPYC** systems that support DDR4 RDIMMs.

7. **Scalability** The 64GB capacity allows for easy expansion in multi-socket servers, making it a cost-effective choice for building large-scale configurations without needing multiple smaller modules.

8. **Low Power Consumption** DDR4 memory is more power-efficient than older generations (e.g., DDR3), reducing operational costs in data centers.

---

### **Cons**

1. **Higher Cost Compared to Consumer RAM** Server-grade ECC RDIMMs are significantly more expensive than non-ECC or unbuffered consumer memory. This may not be cost-effective for non-enterprise use.

2. **Limited Upgrade Path** If you later need to upgrade to **DDR5**, you will have to replace the entire memory configuration, as DDR4 and DDR5 are not backward-compatible.

3. **Requires Server-Compatible Motherboard** This module is designed for **server motherboards** with proper ECC and RDIMM support. Attempting to use it in a consumer desktop system will likely result in compatibility issues or failure.

4. **Potential Overkill for Light Workloads** If you are running a small business server, a home lab, or a non-memory-intensive workload (e.g., web hosting with low traffic), 64GB may be excessive, leading to unnecessary spending.

5. **Vendor Lock-In Risk** Some server manufacturers have proprietary memory requirements, meaning you may need to purchase memory from approved vendors, which can be more expensive.

6. **Heat Generation** While DDR4 is more efficient than DDR3, high-capacity server RAM still generates heat. Proper cooling is necessary to prevent throttling or failure in dense server configurations.

7. **Limited Availability of Replacement Parts** If a single stick fails in a multi-stick configuration, replacing just one module may not be straightforward, and you may need to replace the entire set for consistency.

---

### **Conclusion**

The **SK Hynix HMMA8GR7CJR4N-XNTG (64GB, 2Rx4, DDR4-1600, ECC RDIMM)** is an excellent choice for **enterprise servers, virtualization hosts, database servers, or high-performance computing workloads** where reliability, error correction, and high memory capacity are critical. Its **registered and ECC-protected design** ensures stability in multi-socket environments, making it ideal for mission-critical applications.

However, for **consumer use, small businesses, or non-memory-intensive workloads**, this module is **overkill and unnecessarily expensive**. In such cases, **non-ECC or unbuffered DDR4/DDR5 memory** would be a more cost-effective alternative.

If you are certain of your use case such as running **VMware ESXi, Microsoft Hyper-V, or a large-scale database** this RAM is a **strong, reliable investment**. Otherwise, consider lower-capacity or non-ECC options to save costs.

### **Recommendation**

- You are setting up a **server for virtualization, database management, or enterprise workloads**.

- You require **ECC memory for data integrity** (e.g., financial systems, medical imaging, or critical infrastructure).

- Your server supports **DDR4 RDIMMs** and you need **64GB of memory**.

- You are using it in a **consumer desktop or non-server system**.

- Your workload does not require **ECC or high memory capacity** (e.g., basic file serving, light web hosting).

- You plan to **upgrade to DDR5 in the future**, as this will require a full memory replacement.

For most **enterprise or professional server deployments**, this is a **high-quality, reliable choice**. For other use cases, evaluate whether the **premium features justify the cost**.

Details:

TeXes pxzj2834 TeXes 67 WH429 F3-C3. Serial Numbers. Product Specification, Make: Sk Hynix, model: 64GB 2RX4 PC4-3200AA-RB2-13, Item Details/Info. No recovery discs/software, cords, or any other accessories are included, unless specified.

Please see all photos for the condition of item you can expect to receive. See photos and the item details/info area below for any major defects of listed. R2 Ready for Resale Key Function Tested.

part #: hmaa8gr7cjr4n prices

• $649.99-$1442.26

specifications servermemor:

• brand: Sk Hynix
• mpn: Hmaa8gr7cjr4n-xntg
• form factor: Rdimm
• type: Ddr4 Sdram
• total capacity: 64 Gb
• unit type: Unit

seller servermemor:

• rating: 99.7%
• # reviews: 9811
• city: Jackson, Tennessee

offer servermemor:

• best offers: True
• sold: 48
• started: May 6, 2026
• quantity: 0
• options: Ship-to-home
• availability: In Stock

payments servermemor:

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

shipping servermemor:

• class: Economy
• service: Economy
• cost: $4.95
• type: Fixed
• transit: 2-5 Days

returns servermemor:

• time: 30 Days
• method: Money back
• paid by: Buyer
• policy: Returns Accepted

general servermemor:

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

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