SK HYNIX HMAA8G7CJR9N Sdram Dimm Ecc Memory Module 64GB DDR4 PC4-32000 288-PIN

( Brand: Sk Hynix ), ( Manufacturer Part Number: HMAA8G7CJR9N ), ( Form Factor: Dimm ), ( Type: Ddr4 Sdram ), ( Number Of Modules: 16 ), ( Total Capacity: 64 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-32000 ), ( Memory Features: Ecc Memory )

Review SK HYNIX Ddr4 Sdram Dimm Ecc 288-pin Memory Module

The **SK Hynix HMMA8G7CJR9N-64 64GB DDR4 SDRAM PC4-32000 DIMM ECC 288-pin memory module** represents the pinnacle of high-performance server and workstation memory, engineered to deliver unparalleled speed, reliability, and scalability for demanding computing environments. This module is a **64GB single-rank, registered (RDIMM) DDR4 solution**, featuring a **288-pin DIMM interface** that ensures seamless compatibility with modern enterprise-grade servers, high-end workstations, and data-intensive applications. Built on SK Hynix s advanced semiconductor technology, it operates at an aggressive **3200MHz (PC4-32000) data transfer rate**, enabling near-instantaneous data access and processing, which is critical for workloads such as virtualization, AI/ML training, database management, and high-performance computing (HPC). The inclusion of **Error-Correcting Code (ECC)** technology further enhances data integrity by detecting and correcting single-bit errors on the fly, making it an indispensable choice for mission-critical systems where uptime and accuracy are non-negotiable.

Designed with **low-power efficiency in mind**, this module incorporates SK Hynix s optimized power management features, including **Dram Power Down (DPD)** and **Auto Self-Refresh (ASR)**, which reduce energy consumption without compromising performance ideal for data centers seeking to balance speed with sustainability. The **registered (RDIMM) architecture** ensures stable signal integrity across high-density server configurations, mitigating the risk of data corruption in multi-channel memory setups. Additionally, the module adheres to strict **JEDEC standards**, guaranteeing compatibility with a wide range of server platforms, including those from Dell, HP, Lenovo, and other leading manufacturers. Whether deployed in a **2U server blade, a high-end workstation, or a clustered storage solution**, this memory module provides the bandwidth and latency reduction necessary to handle the most intensive computational tasks with ease.

For professionals in fields such as **financial modeling, scientific research, or enterprise-level content creation**, the **64GB capacity** offers ample headroom for multitasking, large-scale simulations, and resource-intensive software like Adobe Creative Suite, Autodesk 3ds Max, or specialized engineering tools. The module s **low-latency design** ensures that memory access times are minimized, which is particularly beneficial for applications requiring real-time processing or parallel computing. Furthermore, SK Hynix s rigorous quality control processes including **burn-in testing and stringent reliability assessments** ensure that this memory module maintains peak performance over extended periods, even under sustained heavy loads. Whether deployed in a **single-socket or multi-socket server configuration**, the **HMMA8G7CJR9N** stands as a robust, future-proof investment for organizations prioritizing both performance and durability in their IT infrastructure.

The **SK Hynix HMAA8G7CJR9N-64 64GB DDR4 SDRAM PC4-32000 (2133MHz) ECC 288-pin DIMM** is a high-capacity memory module designed for enterprise and server workloads. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Capacity (64GB per DIMM)**

- Offers substantial memory for high-end servers, workstations, or data-intensive applications. A single DIMM provides 64GB of RAM, reducing the need for multiple modules and simplifying installation.

2. **ECC (Error-Correcting Code) Support**

- Critical for servers, databases, and virtualization environments where data integrity is paramount. ECC detects and corrects single-bit errors, preventing crashes and data corruption.

3. **Registered (Buffered) Design**

- The module is registered, meaning it includes a buffer chip to manage data flow between the memory controller and the DIMM. This reduces signal noise and improves stability in high-channel-count systems (e.g., 4 DIMM slots).

4. **Compatibility with High-End Platforms**

- Designed for enterprise-grade motherboards and servers (e.g., Dell PowerEdge, HP ProLiant, Lenovo ThinkSystem, or custom-built Xeon/EPYC systems). Works well with DDR4-2133MHz (PC4-17000) or higher-speed configurations if supported by the platform.

5. **Reliability and Durability**

- SK Hynix is a reputable manufacturer with a strong track record in server-grade memory. The module is built to withstand prolonged use in demanding environments.

6. **Low Latency (CL15)**

- The CAS latency (CL15) is optimized for performance in server workloads, balancing speed and efficiency.

7. **Future-Proofing**

- While the speed (2133MHz) is not the fastest available, the 64GB capacity ensures scalability for applications that may require more memory over time.

8. **Wider Availability and Support**

- As a standard SK Hynix part, it is widely supported by server vendors and IT departments, making replacements and upgrades easier.

---

### **Cons**

1. **Moderate Speed (2133MHz)**

- DDR4-2133MHz is not the fastest option available. Faster modules (e.g., DDR4-3200MHz or DDR4-3600MHz) may offer better performance in CPU-bound or latency-sensitive tasks, though the difference may be negligible in server workloads where memory bandwidth is often constrained by other factors.

2. **Power Consumption**

- DDR4-2133 modules consume more power than lower-speed DDR4 (e.g., 1866MHz). In large-scale server deployments, this can contribute to higher cooling and power costs.

3. **Cost**

- While 64GB DIMMs are not excessively expensive, they are more costly than smaller capacities (e.g., 16GB or 32GB modules). For budget-conscious setups, this may be a drawback.

4. **Limited Overclocking Potential**

- Registered DDR4 modules are not designed for overclocking. If you plan to push memory speeds beyond the supported range, this module is not suitable.

5. **Physical Size and Installation Complexity**

- 64GB DIMMs are physically larger and heavier than smaller modules. Installing them in tight server chassis may require careful handling, and some motherboards may have limited clearance for such large modules.

6. **Not Ideal for Consumer or Gaming Use**

- The module is optimized for servers and workstations, not consumer-grade PCs. Consumer systems typically use unbuffered (non-ECC) memory, and this module may not be compatible or may not offer performance benefits in such environments.

7. **Potential for Redundancy in Some Setups**

- In systems where 32GB DIMMs are sufficient, a 64GB module may be overkill, leading to unused capacity and higher costs.

---

### **Conclusion**

The **SK Hynix HMAA8G7CJR9N-64 64GB DDR4-2133MHz ECC Registered DIMM** is an excellent choice for enterprise environments where memory capacity, reliability, and data integrity are critical. Its high capacity (64GB) reduces the number of modules needed, while ECC and registered buffering ensure stability in demanding workloads. However, its moderate speed (2133MHz) and higher power consumption may not be ideal for performance-critical or budget-sensitive applications. Additionally, it is not suited for consumer or gaming systems.

If your use case involves servers, virtualization, databases, or high-end workstations, this module is a solid investment. For other applications, consider lower-capacity or higher-speed alternatives based on your specific needs.

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### **Recommendation**

- You are building or upgrading a server, workstation, or high-end workstation for enterprise use.

- You require ECC memory for data integrity (e.g., databases, virtualization, or financial applications).

- You need a large memory capacity (64GB per DIMM) to minimize the number of modules.

- Your motherboard supports DDR4-2133MHz and registered ECC memory.

- You need faster memory (e.g., DDR4-3200MHz or DDR4-3600MHz) for CPU-bound tasks.

- You are working with a budget and can use smaller-capacity DIMMs (e.g., 32GB).

- Your system does not require ECC (e.g., consumer PCs or gaming builds).

- You plan to overclock memory or use non-enterprise platforms.

For most server deployments, this module is a reliable and practical choice. Always verify compatibility with your motherboard or server platform before purchasing.

Details:

SK Hynix 64GB DDR4 SDRAM PC4-32000 DIMM ECC 288-Pin Memory Module HMAA8G7CJR9N.

part #: hmaa8g7cjr9n prices

• $60.00-$195.00

specifications servermemor:

• brand: Sk Hynix
• mpn: Hmaa8g7cjr9n
• form factor: Dimm
• type: Ddr4 Sdram
• number of modules: 16
• total capacity: 64 Gb
• number of pins: 288
• bus speed: Pc4-32000
• memory features: Ecc Memory

offer servermemor:

• sold: 0
• started: March 17, 2026
• best offers: True
• availability: In Stock
• options: Ship-to-home

seller servermemor:

• city: Maple Shade, New Jersey
• rating: 100.0%
• # reviews: 5

returns servermemor:

• policy: No Returns

payments servermemor:

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

general servermemor:

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

shipping servermemor:

• class: Standard
• transit: 4-10 Days
• cost: $5.62
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated

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