
( Brand: Sk Hynix ), ( Manufacturer Part Number: HMCGM4MEBRB175N ), ( Part Type: Memory Server )
The **SK Hynix HMCGM4MEBRB175N 96GB 2Rx4 DDR5 Server Memory** is a high-performance, enterprise-grade memory module designed to deliver exceptional speed, reliability, and efficiency for next-generation data centers and high-end server workloads. Engineered under SK Hynix s rigorous quality standards, this **DDR5 RDIMM (Registered DIMM)** module operates at an aggressive **PC5-4800B** speed rating, translating to an effective **4800 MT/s** data transfer rate, which is optimized for modern CPUs and server architectures demanding maximum throughput. The **2Rx4 configuration** ensures balanced performance and power efficiency, with two ranks of memory per channel, allowing for smooth data access while maintaining low latency. This module is built with **16Gb (256Mb) x16-bit DDR5 DRAM chips**, totaling **96GB of high-density storage** in a single DIMM slot, making it ideal for large-scale servers, virtualization environments, and high-performance computing (HPC) applications where memory capacity and speed are critical.
One of the standout features of this memory module is its **RA0 (Rank 0) configuration**, which enhances performance by reducing latency and improving data access times, particularly in multi-channel server systems. The **XT (Extended Temperature) designation** signifies that this module is built to operate reliably in demanding environments, supporting extended temperature ranges that ensure stability in data centers with varying thermal conditions. Compatibility with **EC8 (Enterprise Class 8)** standards further reinforces its suitability for mission-critical applications, where uptime, durability, and error correction are paramount. The module incorporates **ECC (Error-Correcting Code) functionality**, which actively detects and corrects single-bit errors, significantly reducing the risk of data corruption in high-reliability server deployments.
Power efficiency is another key consideration in this module, as it adheres to **DDR5 power management standards**, including support for **DIMM power sequencing** and **low-power states** to minimize energy consumption while maintaining peak performance. The **1010** designation in the model number indicates compliance with **JEDEC standards**, ensuring seamless integration with a wide range of server platforms, including those from major vendors like Dell, HP, Lenovo, and others that support DDR5 memory. Whether deployed in **cloud computing infrastructures, AI/ML workloads, or large-scale database systems**, this SK Hynix module provides the speed, capacity, and reliability needed to handle the most demanding computational tasks with ease. Built for enterprise-grade durability and optimized for next-gen server architectures, it represents a robust investment for organizations seeking to future-proof their infrastructure.
**Pros and Cons of SK Hynix HMCGM4MEBRB175N (96GB, 2Rx4, DDR5-4800B, RA0, 1010-xt, Server ECC Memory)**
### **Pros**
1. **High Capacity and Density**
The 96GB configuration (2Rx4) provides substantial memory capacity in a single module, ideal for high-end servers, workstations, or data-intensive workloads. This reduces the number of slots occupied compared to smaller modules, simplifying cable management and cooling.
2. **DDR5 Technology**
DDR5 offers several advantages over DDR4, including:- **Higher Bandwidth:** DDR5-4800 (4800 MT/s) provides faster data transfer rates compared to DDR4, improving performance for memory-bound applications.
- **Lower Power Consumption:** DDR5 modules typically consume less power per gigabyte than DDR4, which can reduce cooling requirements and operational costs.
- **Enhanced Error Correction:** The module includes ECC (Error-Correcting Code), which is critical for server reliability, preventing data corruption in critical applications.
- **Larger Memory Capacity per Module:** DDR5 supports larger capacities per module (e.g., 96GB), reducing the need for multiple slots.
3. **Server-Grade Specifications**
The module is designed for server use, featuring:- **Registered (RDIMM) or Load-Reduced (LRDIMM) Configuration:** The "RA0" designation suggests it is a Registered DIMM, which helps manage memory timing and reduces signal integrity issues on longer server buses.
- **ECC Support:** Essential for data integrity in servers, databases, and virtualization environments.
- **XT (Extended Temperature) Support:** The "1010-xt" designation indicates the module operates reliably in extended temperature ranges (typically -40 C to 85 C), making it suitable for data centers with varied environmental conditions.
- **Server Compatibility:** The "EC8" designation suggests it is optimized for enterprise-class servers, ensuring compatibility with major server manufacturers like Dell, HP, Lenovo, and others.
4. **Performance Optimizations**
- **Trained (T) Timings:** The "T" in the model number (e.g., 4800T) indicates that the module has been trained for optimal performance on specific server platforms, ensuring better latency and throughput.
- **Low Latency:** DDR5 modules generally offer lower latency compared to DDR4, which can improve application responsiveness.
5. **Future-Proofing**
DDR5 is the current standard for high-end servers, and this module is likely to remain compatible with upcoming server platforms for several years. Its high capacity also future-proofs investments in memory-intensive workloads.
6. **Reliability and Durability**
Server-grade memory is built to withstand continuous operation, with robust quality control and testing. The extended temperature range and ECC further enhance reliability in demanding environments.
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### **Cons**
1. **High Cost**
DDR5 memory, especially high-capacity modules like this 96GB RDIMM, is significantly more expensive than DDR4 equivalents. The cost per gigabyte is higher, which can be a barrier for budget-conscious deployments or smaller-scale servers.
2. **Compatibility Limitations**
- **Platform-Specific:** DDR5 modules are not universally compatible across all motherboards or servers. This module is designed for specific server platforms (e.g., Intel Xeon or AMD EPYC-based servers). Users must verify compatibility with their motherboard or server chassis.
- **Vendor Lock-In:** Some server manufacturers may require specific memory configurations or vendors, limiting flexibility in procurement.
3. **Power and Cooling Requirements**
While DDR5 is more power-efficient per gigabyte than DDR4, high-capacity modules like this one can still draw significant power, especially when multiple modules are installed. This may necessitate additional cooling solutions in densely populated server racks.
4. **Limited Availability and Lead Times**
High-capacity DDR5 memory, particularly server-grade modules, can have longer lead times and limited availability compared to consumer-grade memory. Procurement may require advance ordering or reliance on distributors.
5. **Potential for Overkill**
For workloads that do not require 96GB of memory per module (e.g., small to medium servers, workstations, or non-memory-intensive applications), this module may be overkill. Smaller capacities (e.g., 32GB or 64GB) could be more cost-effective for less demanding use cases.
6. **Training and Configuration Complexity**
The "T" in the model number indicates that the module is trained for specific platforms. If the server platform is not supported or if the module is used in an unsupported configuration, performance may degrade or the module may not function as expected. Users must ensure proper training and configuration for optimal results.
7. **Warranty and Support Considerations**
Server-grade memory often comes with shorter warranties compared to consumer memory (e.g., 1-3 years vs. 5-10 years for some consumer modules). Additionally, server memory may require specialized support channels, which can be less accessible than consumer support.
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### **Conclusion**
The **SK Hynix HMCGM4MEBRB175N (96GB, DDR5-4800B, ECC, RDIMM, XT)** is a high-performance, server-grade memory module designed for demanding workloads such as enterprise servers, virtualization, databases, and high-end workstations. Its strengths lie in its **high capacity, DDR5 speed and efficiency, ECC reliability, extended temperature support, and server-optimized features**. These attributes make it an excellent choice for environments where **memory density, performance, and data integrity** are critical.
However, the **high cost, platform-specific compatibility requirements, and potential overkill for less demanding applications** are significant drawbacks. This module is best suited for **large-scale server deployments, data centers, or high-performance computing (HPC) environments** where the benefits outweigh the costs. For smaller servers, workstations, or budget-conscious builds, lower-capacity DDR5 modules or DDR4 alternatives may be more practical.
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### **Recommendation**
**Buy this module if:**- You are deploying a **high-end server, data center, or HPC system** that requires large memory capacities (e.g., 96GB per module).
- Your workload is **memory-intensive**, such as virtualization, databases, AI/ML, or enterprise applications where ECC and reliability are non-negotiable.
- Your server platform **supports DDR5-4800B RDIMMs with ECC and XT specifications** (verify compatibility with your motherboard or server vendor).
- You prioritize **future-proofing** and plan to upgrade gradually as needed.
**Avoid this module if:**- Your budget is **constrained**, as the cost per gigabyte is high compared to smaller capacities or DDR4 alternatives.
- Your server platform **does not support DDR5 or this specific module**, risking compatibility issues.
- Your workload does **not require 96GB per module**, and smaller capacities (e.g., 32GB or 64GB) would suffice.
- You are building a **consumer-grade PC or workstation** where server-grade memory is unnecessary.
**Alternative Considerations:**- If budget is a concern, consider **lower-capacity DDR5 RDIMMs (e.g., 32GB or 64GB)** from the same or other vendors (e.g., Samsung, Micron).
- For non-server use cases, **DDR5 SO-DIMMs or consumer-grade modules** may offer better value.
- Always **check with your server manufacturer** for recommended memory configurations to avoid voiding warranties or performance issues.
Condition: Used. Buyer pays for all shipping costs. Comes in non-original packaging.: PC5-4800B-RA0-1010-XT Server Memory Module.
Notes: This memory module has been tested and verified, was carefully inspected with a magnifier for flaws or missing components. Capacity: 96GB. This item is guaranteed to be as described. Manufacturer:SK Hynix.
This memory module has some minor markings from normal use, along with residual adhesive its previous application, and shows no major or obvious defects that would affect functionality. Model: HMCGM4MEBRB175N. Specifications. SK Hynix 96GB HMCGM4MEBRB175N 2Rx4 PC5-4800B-RA0-1010-XT Server EC8 Memory DDR5.