SK HYNIX M4C9D2M4EBA130N Total Rdimm Ecc Server Ram 64GBX4 256GB DDR5 PC5-4800

( Brand: Sk Hynix ), ( Manufacturer Part Number: M4C9D2M4EBA130N ), ( Form Factor: Rdimm ), ( Type: Ddr5 Rdimm ), ( Total Capacity: 256 Gb ), ( Capacity Per Module: 64 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc5-4800 ), ( Memory Features: Ecc Memory, Registered )

Review SK HYNIX 64gbx4 256gb Total Rdimm Ecc Registered Server Ram

The **SK Hynix M4C9D2M4EBA130N** is a high-performance, enterprise-grade **256GB (64GB x 4) DDR5 RDIMM** memory module designed to deliver exceptional speed, reliability, and efficiency for demanding server workloads. Engineered with **PC5-4800** (DDR5-4800) speed, this module operates at an aggressive **4800 MT/s** clock rate, ensuring rapid data transfer and reduced latency for applications requiring real-time processing, such as virtualization, cloud computing, and high-performance database management. Built with **ECC (Error-Correcting Code)** technology, it provides critical protection against data corruption by detecting and automatically correcting single-bit errors, making it an ideal choice for mission-critical environments where uptime and data integrity are non-negotiable.

The **RDIMM (Registered DIMM)** architecture of this module helps mitigate signal integrity issues in high-channel-count server configurations by incorporating a registration buffer, which stabilizes data transmission across long memory buses. This design not only enhances performance but also improves system stability, particularly in multi-socket servers where memory bandwidth and latency can become bottlenecks. The **64GB capacity per rank** allows for scalable configurations, enabling administrators to balance cost efficiency with performance by leveraging multiple DIMMs per slot without overcomplicating memory management.

SK Hynix s **M4C9D2M4EBA130N** is manufactured using advanced **16Gb (256Mb) x16 NAND-based DRAM chips**, ensuring high-density storage while maintaining low power consumption a critical factor for energy-efficient data centers. The module adheres to **JEDEC standards**, ensuring broad compatibility with a wide range of **Intel Xeon, AMD EPYC, and other enterprise-grade server platforms**, including the latest **3rd Gen Intel Xeon Scalable (Sapphire Rapids)** and **AMD Milan/Vermeer** processors. Its **DDR5 compatibility** also future-proofs deployments, allowing for seamless upgrades as server architectures evolve.

Beyond raw performance, this memory module is built with **industrial-grade reliability**, featuring **100% tested components** and **extended temperature support** (typically operating between **0 C to 85 C**), making it suitable for both standard data center environments and rugged deployments. The **low-power DDR5 architecture** further reduces operational costs by minimizing heat generation and power draw, contributing to a more sustainable and cost-effective infrastructure. Whether deployed in **high-density compute clusters, AI/ML workloads, or large-scale enterprise databases**, the **SK Hynix M4C9D2M4EBA130N** delivers a robust, high-bandwidth solution that maximizes system efficiency while ensuring long-term reliability.

**Pros and Cons of the SK Hynix M4C9D2M4EBA130N (64GB x 4, 256GB Total) DDR5 RDIMM PC5-4800 ECC Server RAM**

### **Pros**

1. **High Capacity and Scalability** The 256GB total capacity (4x 64GB modules) provides substantial memory for high-end server workloads, supporting large databases, virtualization, and enterprise applications. This capacity allows for better multitasking and reduces the need for frequent upgrades.

2. **DDR5 Technology** DDR5 offers several advantages over DDR4, including higher bandwidth (up to 48.8 GB/s per module at PC5-4800), improved power efficiency, and support for larger memory capacities per module. This translates to better performance for memory-intensive tasks like AI/ML, data analytics, and high-performance computing.

3. **Registered DIMM (RDIMM) Design** RDIMMs are optimized for server environments, providing better signal integrity and stability on multi-socket systems. They reduce the risk of data corruption and improve reliability in high-end servers.

4. **Error-Correcting Code (ECC) Support** ECC RAM detects and corrects single-bit errors, which is critical for server applications where data integrity is non-negotiable. This reduces the risk of crashes or data corruption, especially in virtualized or clustered environments.

5. **Compatibility with Modern Servers** This RAM is designed for newer server platforms that support DDR5, ensuring compatibility with Intel Xeon (Sapphire Rapids, Emerald Rapids) and AMD EPYC (Genoa, Milan) processors. It is also suitable for high-end workstations and enterprise-grade systems.

6. **Lower Power Consumption Relative to DDR4** DDR5 modules generally consume less power per gigabyte compared to DDR4, which can lead to cost savings in data centers with large-scale deployments.

7. **Future-Proofing** DDR5 is the current standard, and this RAM will remain relevant for several years, allowing for upgrades without a complete system overhaul.

8. **Manufacturer Reputation** SK Hynix is a well-established memory manufacturer with a strong track record in producing reliable server-grade RAM. Their products are widely used in enterprise and data center environments.

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### **Cons**

1. **Higher Cost Compared to DDR4** DDR5 RAM is more expensive than DDR4 per gigabyte, which can be a significant drawback for budget-conscious buyers. The price difference may not be justified for systems that do not fully utilize DDR5 s benefits.

2. **Limited Availability and Lead Times** DDR5 server RAM, especially high-capacity RDIMMs, can be harder to find and may have longer lead times due to high demand and supply chain constraints. This could delay deployments or require purchasing from secondary markets at potentially higher prices.

3. **Not All Servers Support DDR5** If you are upgrading an older server or workstation, you may need to check compatibility with the motherboard and CPU. DDR5 requires a motherboard with DDR5 slots, and some older platforms may not support it, rendering this RAM unusable.

4. **Potential Overkill for Some Workloads** If your server is not heavily memory-bound (e.g., running lightweight applications or small-scale virtualization), 256GB may be excessive. This could lead to unnecessary costs without significant performance gains.

5. **Power Draw Considerations** While DDR5 is more power-efficient per gigabyte, the overall power consumption of a system with 256GB of DDR5 RAM will still be higher than a DDR4 configuration. This may require additional cooling or power infrastructure in data centers.

6. **Mixed-Memory Support Limitations** Some server platforms may not support mixing DDR4 and DDR5 RAM, or may require all slots to be populated for optimal performance. This can complicate upgrades or limit flexibility in memory configurations.

7. **Potential for Higher Latency in Some Cases** While DDR5 offers higher bandwidth, the actual latency improvements can vary depending on the workload. In some scenarios, DDR4 may still outperform DDR5 in latency-sensitive applications, though this is less common in modern systems.

8. **Warranty and Return Policies** Server-grade RAM often comes with shorter or more restrictive warranty terms compared to consumer RAM. Additionally, returns or replacements may be more difficult due to the specialized nature of server components.

---

### **Conclusion**

The **SK Hynix M4C9D2M4EBA130N (256GB DDR5 RDIMM PC5-4800 ECC)** is an excellent choice for high-end server environments where memory capacity, reliability, and performance are critical. Its DDR5 architecture, ECC protection, and RDIMM design make it well-suited for data centers, enterprise applications, virtualization, and high-performance computing. However, the higher cost and potential overkill for less demanding workloads must be carefully considered.

If your server platform supports DDR5 and you require a large memory footprint for memory-intensive tasks, this RAM is a strong investment. For systems where DDR4 is sufficient or budget constraints are a concern, alternative options (such as lower-capacity DDR5 modules or DDR4 RDIMMs) may be more practical.

### **Recommendation**

- You are deploying a new server with DDR5 support (e.g., Intel Xeon or AMD EPYC).

- Your workload requires large memory capacity (e.g., databases, virtualization, AI/ML, or high-end applications).

- Data integrity and reliability are non-negotiable (ECC is essential).

- You plan to future-proof your system for several years.

- Your server is not DDR5-compatible, and upgrading the motherboard is not feasible.

- Your workload does not fully utilize 256GB of RAM, making the cost unjustified.

- You are working with a tight budget and DDR4 is sufficient for your needs.

- You need faster lead times and are willing to compromise on capacity or performance.

For most enterprise or data center environments, this RAM is a **highly recommended** choice due to its balance of capacity, reliability, and performance. However, always verify compatibility with your specific server platform before purchasing.

Details:

Each module has a capacity of 64GB, with 288 pins and RDIMM form factor. The SK Hynix model number is M4C9D2M4EBA130N AA or as shown in photo. The memory features include ECC and registration, making it ideal for server components in enterprise networking environments. The product is a set of four SK Hynix DDR5 RDIMM PC5-4800 ECC registered server RAM modules, totaling 256GB capacity.

part #: m4c9d2m4eba130n prices

• $399.00-$2399.99

specifications servermemor:

• brand: Sk Hynix
• mpn: M4c9d2m4eba130n
• form factor: Rdimm
• type: Ddr5 Rdimm
• total capacity: 256 Gb
• capacity per module: 64 Gb
• number of pins: 288
• bus speed: Pc5-4800
• memory features: Ecc Memory, Registered

seller servermemor:

• city: Mountain View, California
• # reviews: 102
• rating: 100.0%

returns servermemor:

• policy: No Returns

payments servermemor:

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

offer servermemor:

• started: February 21, 2026
• quantity: 4
• options: Ship-to-home
• sold: 0
• availability: In Stock
• best offers: True

shipping servermemor:

• carrier: USPS
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• transit: 5-9 Days
• cost: $8.46

general servermemor:

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

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