HYNIX HMAA8GR7AJR4N-WMT Ecc Server Memory Module 64GB DDR4-2933 PC4-23466 2RX4

( Brand: Hynix ), ( Manufacturer Part Number: HMAA8GR7AJR4N-WMT ), ( Type: Ddr4 Sdram ), ( Total Capacity: 64gb ), ( Voltage: 1.2v )

Review HYNIX Ddr4-2933 2rx4 Ecc Server Memory Module

The **Hynix HMMA8GR7AJR4N-WMT 64GB DDR4-2933 MHz (PC4-23466) 2Rx4 ECC Registered Server Memory Module** represents a high-performance, enterprise-grade solution engineered for demanding server environments where reliability, speed, and scalability are paramount. This module is built upon Hynix s advanced semiconductor technology, delivering a robust 64GB capacity across a single DIMM slot, making it an ideal choice for data centers, cloud infrastructure, and mission-critical applications that require substantial memory bandwidth and low-latency processing. With a **DDR4-2933 MHz** clock speed, this memory module achieves a **PC4-23466** data transfer rate, enabling seamless multitasking, accelerated data processing, and improved system responsiveness in workloads such as virtualization, database management, and high-performance computing (HPC). The **2Rx4 configuration** comprising two ranks of four 8GB chips each optimizes memory organization, allowing for efficient data access while maintaining compatibility with a wide range of server platforms that support registered (buffered) ECC memory.

Designed with **Error-Correcting Code (ECC)** technology, this module actively detects and corrects single-bit errors, ensuring data integrity in environments where memory corruption could lead to catastrophic failures, such as financial transaction processing or real-time analytics. The **registered (buffered) architecture** further enhances stability by buffering commands between the memory controller and the DIMM, reducing signal interference and improving overall system stability particularly beneficial in multi-socket server configurations where memory bandwidth demands are high. Built to meet stringent **JEDEC standards**, this module is fully compatible with Intel Xeon and AMD EPYC processors, as well as a variety of server motherboards from major vendors, including Dell, HP, Lenovo, and Supermicro. Its **low-power, high-efficiency design** ensures minimal heat generation, contributing to cooler operating temperatures and extended component lifespan, which is critical for maintaining peak performance in 24/7 data center deployments.

The **WMT (Workload Memory Technology) designation** indicates that this module is optimized for workload-specific performance, balancing speed, latency, and power consumption to deliver consistent results across diverse server applications. Whether deployed in a **2U rack server, blade system, or high-density compute node**, this 64GB DDR4 module provides the memory capacity and reliability needed to support modern workloads without compromising on performance or uptime. Its **unbuffered (non-ECC) alternatives** may offer slightly higher throughput in consumer-grade systems, but for enterprise environments where data accuracy and system resilience are non-negotiable, the **ECC and registered features** of this Hynix module ensure a level of protection and efficiency that is unmatched in standard consumer memory solutions. Ideal for administrators seeking to future-proof their infrastructure, this module serves as a scalable foundation for expanding memory capacity as computational demands grow, all while adhering to the highest industry standards for quality and compatibility.

**Pros and Cons of buying a Hynix HMMA8GR7AJR4N-WMT (64GB DDR4-2933 ECC Server Memory Module)**

### **Pros**

1. **High Capacity and Performance** This is a 64GB DDR4 memory module running at 2933MHz (PC4-23466), which provides substantial capacity and faster data transfer rates compared to older or lower-speed modules. This is ideal for high-demand workloads like virtualization, databases, or large-scale computing.

2. **ECC (Error-Correcting Code) Support** ECC memory is designed to detect and correct single-bit errors, reducing the risk of data corruption in critical applications. This is essential for servers, where reliability is paramount.

3. **Registered (Buffered) Memory** This module is registered (often referred to as "registered ECC" or "buffered"), meaning it includes a memory buffer to help manage data flow between the CPU and RAM. This improves stability and reduces the load on the memory controller, making it suitable for multi-socket or high-channel-count servers.

4. **Compatibility with Enterprise Servers** The part number suggests it is designed for enterprise-grade servers, likely compatible with major server manufacturers (Dell, HP, Lenovo, etc.). It follows industry-standard form factors (likely 288-pin RDIMM or LRDIMM, depending on the server platform).

5. **Reliability and Durability** Hynix is a reputable manufacturer known for producing high-quality memory modules. This module is likely built to withstand prolonged use in data centers, with features like error correction and robust cooling.

6. **Scalability** Since it is a 64GB module, it can be paired with additional modules to scale memory capacity as needed, which is useful for growing workloads.

7. **Low Latency (Relative to Speed)** While DDR4-2933 is not the fastest available (e.g., DDR4-3200 or DDR5 is faster), it strikes a balance between speed and power efficiency, making it a practical choice for many server workloads.

---

### **Cons**

1. **Cost** High-capacity, registered ECC memory is significantly more expensive than consumer-grade memory. A 64GB module will likely cost several hundred dollars, making it a substantial investment.

2. **Power Consumption** DDR4-2933 modules consume more power than lower-speed memory (e.g., DDR4-2133). In large server deployments, this can add up to higher energy costs.

3. **Heat Generation** Faster memory modules generate more heat, which may require additional cooling in densely populated server racks. While this module is likely designed to handle heat, poor airflow can still be a concern.

4. **Limited Upgrade Path** If you later need to upgrade to faster memory (e.g., DDR4-3200 or DDR5), you may need to replace all modules to maintain performance, as mixing speeds can cause bottlenecks.

5. **Server-Specific Compatibility** While this module is likely compatible with many enterprise servers, it may not work with all models. Always verify compatibility with your server s BIOS or manufacturer documentation to avoid issues.

6. **Overkill for Some Use Cases** If you are running lightweight workloads (e.g., a small file server or a basic virtualization host), 64GB may be excessive, and a smaller capacity (e.g., 32GB or 16GB) could suffice at a lower cost.

7. **Potential for Obsolescence** DDR4 is nearing the end of its lifecycle, and newer servers may support DDR5. While this module will work for years, future-proofing may require an eventual upgrade.

---

### **Conclusion**

The **Hynix HMMA8GR7AJR4N-WMT (64GB DDR4-2933 ECC Registered)** is an excellent choice for **enterprise servers, high-performance computing, virtualization, or database workloads** where reliability, capacity, and moderate speed are critical. Its ECC and registered design ensure stability and scalability, making it ideal for mission-critical environments. However, the high cost, power consumption, and potential for obsolescence should be considered, especially if your workload does not require such a large capacity.

If you are running a **high-demand server environment** (e.g., a virtualization host with multiple VMs, a database server, or a workload requiring large memory pools), this module is a **strong recommendation**. For **lower-end servers, small businesses, or non-critical workloads**, a smaller capacity (e.g., 32GB) or a slightly slower speed (e.g., DDR4-2400) may be more cost-effective without sacrificing performance.

- **Buy this module if:** You need a reliable, high-capacity memory solution for enterprise-grade servers, virtualization, or data-intensive applications.

- **Avoid or consider alternatives if:** You are on a tight budget, running lightweight workloads, or plan to upgrade to DDR5 in the near future. In such cases, a smaller capacity or a slightly slower module may be more practical. Always verify compatibility with your server s specifications before purchasing.

Details:

Our in-house team of techs refurbishes and builds custom server configurations to meet your IT networking needs. The module is ECC registered, providing error correction and preventing data corruption. Make money from your old hardware. They are amazing and offered very fair pricing excellent service.

Same day shipping if ordered before 2PM PST. Entrance - Your Source for Networking, Server and storage Hardware. Hynix HMAA8GR7AJR4N-WMT 64GB DDR4-2933 PC4-23466 2Rx4 ECC Server Memory Module: Manufacturer. Boost your servers performance with the Hynix HMAA8GR7AJR4N-WMT 64GB DDR4-2933 PC4-23466 2Rx4 ECC Server Memory Module.

Keep up the good work. Entirely Digital. HPE storage HPE Nimble storage. Condition: Refurbished.

We found that warranty coverage, even a year later was absolutely no problem and totally hassle free. About Entrance: Headquartered in Irvine, CA, Entrance is a leading independent solutions provider of pre-owned, high-end server, storage, and network equipment. Complex storage options, etc. This high-capacity, DDR4 type memory module offers a substantial 64GB of storage, ensuring smooth and efficient data processing.

Availability: In Stock. We Buy Used Hardware. Entrance - Your Source for IT Hardware.

part #: hmaa8gr7ajr4n prices

• $599.99-$790.00

specifications servermemor:

• brand: Hynix
• mpn: Hmaa8gr7ajr4n-wmt
• type: Ddr4 Sdram
• total capacity: 64gb
• voltage: 1.2v

general servermemor:

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

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• quantity: 3
• started: April 1, 2026
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• options: Ship-to-home
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• availability: In Stock

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