HYNIX HMCT04AGERA200N Memory Server 128G 2S2RX4 PC5-5600B

( Brand: Hynix ), ( Manufacturer Part Number: HMCT04AGERA200N ), ( Total Capacity: 128 Gb ), ( Compatible Machine Type: Server ), ( Ecc Type: Ecc Registered ), ( Custom Bundle: No ), ( Item Length: 133mm ), ( Memory Features: Ecc Memory, Registered ), ( Form Factor: Rdimm ), ( Unit Type: Unit ), ( Manufacturer Warranty: Lifetime ), ( Item Height: 30mm ), ( Voltage: 1.1v ), ( Number Of Pins: 288 ), ( Rank: 2s2rx4 ), ( Package Type: Anti-static Faraday Bag ), ( Type: Ddr5 Sdram ), ( Frequency: 5600mhz ), ( Bus Speed: Pc5-44800 ), ( Country Of Origin: United States )

Review HYNIX 128g 2s2rx4 Memory Server

The **Hynix HMCT04AGERA200N 128GB DDR4-5600E (PC5-5600B) Registered ECC RDIMM Server Memory** is a high-performance, enterprise-grade memory module engineered to deliver uncompromising reliability, speed, and scalability for demanding server workloads. Part of Samsung s cutting-edge Hynix memory lineup, this 128GB module is designed with precision for data centers, cloud infrastructure, and mission-critical applications where consistency, low latency, and fault tolerance are paramount. Built using advanced 20nm process technology, the HMCT04AGERA200N leverages a **2-rank x 4GB (2Rx4) configuration** with a **DDR4-5600E (PC5-5600B) clock speed**, enabling sustained data transfer rates of up to **56.0 GB/s per module**, significantly enhancing system throughput for CPU-bound and memory-intensive tasks. The module adheres to the **Registered ECC (Error-Correcting Code) RDIMM** standard, featuring a **buffered architecture** that mitigates signal integrity issues on long memory channels, reducing the risk of data corruption in high-density server environments. This makes it an ideal choice for servers equipped with Intel Xeon or AMD EPYC processors, where robust error handling and memory channel stability are critical for uptime and performance.

Crafted for enterprise-grade durability, the HMCT04AGERA200N incorporates **low-power, high-efficiency DRAM chips** that operate efficiently within standard server voltage ranges, minimizing heat generation while maintaining peak performance. The module s **240-pin SODIMM form factor** ensures compatibility with a wide range of server motherboards, including those from Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and other leading vendors. Its **200-pin connector** (not to be confused with traditional SODIMMs) is optimized for server-grade memory slots, providing a secure and stable interface for high-bandwidth data access. Additionally, the module supports **DIMM-level error correction**, allowing the server s memory controller to detect and automatically correct single-bit errors without requiring a system reboot, thus enhancing data integrity in fault-tolerant deployments.

For administrators and IT professionals managing large-scale deployments, the HMCT04AGERA200N offers **seamless compatibility with memory management tools** such as Intel Memory Advisor, AMD Memory Inspector, and vendor-specific utilities, ensuring optimal configuration for mixed-memory server setups. Its **non-volatile register (NVR) support** allows for persistent memory configuration settings, even during power cycles, simplifying deployment and troubleshooting in high-availability clusters. Whether deployed in **2U rack servers, blade systems, or high-density compute nodes**, this memory module excels in environments where **scalability, reliability, and performance** are non-negotiable. With its blend of **high-speed DDR4-5600E performance, enterprise-grade error correction, and robust build quality**, the Hynix HMCT04AGERA200N stands as a cornerstone for next-generation server infrastructure, empowering organizations to handle the most demanding computational and storage workloads with confidence.

### **Pros and Cons of Buying Hynix HMCT04AGERA200N (128GB, 2Rx4, PC5-5600B) Server Memory**

1. **High Performance and Speed** The module operates at **PC5-5600B (DDR4-2800 CL20)**, which is optimized for server workloads requiring fast data access. This speed is suitable for databases, virtualization, and high-throughput applications.

2. **Reliability and Stability** Hynix (now part of SK Hynix) is a well-established manufacturer known for producing high-quality server-grade memory. These modules are designed to handle continuous operation without frequent failures.

3. **Low Latency** The **CL20** timing ensures efficient data transfer, reducing bottlenecks in memory-intensive tasks.

4. **Server-Grade Components** The **2Rx4 configuration (2 ranks, 4 chips per rank)** provides better bandwidth and scalability compared to single-rank modules, making it ideal for multi-core processors and high-core-count servers.

5. **Compatibility with Modern Servers** DDR4-2800 is widely supported in enterprise-grade servers (e.g., Dell PowerEdge, HP ProLiant, Lenovo ThinkSystem, and Supermicro). It works well with Intel Xeon and AMD EPYC processors.

6. **Error Correction (ECC Support)** If the server supports it, this memory can be used with **ECC (Error-Correcting Code)**, which helps prevent data corruption in critical applications.

7. **Cost-Effective for High Capacity** At **128GB per module**, it offers a good balance between performance and price, especially when buying in bulk for server deployments.

8. **Long Lifespan** Server-grade memory is built to endure **24/7 operation**, reducing the risk of premature wear compared to consumer-grade RAM.

---

1. **Not the Fastest Option for High-End Workloads** While **DDR4-2800 is fast**, newer server workloads (e.g., AI training, high-frequency trading) may benefit from **DDR4-3200 or DDR5** for better throughput. If your server supports it, faster memory could provide a performance boost.

2. **Limited Upgrade Path** If future workloads require **higher bandwidth or lower latency**, you may need to replace the entire memory bank rather than just adding more modules.

3. **Power Consumption** DDR4-2800 modules consume slightly more power than slower DDR4 variants, which could impact cooling and energy costs in large server deployments.

4. **Potential Compatibility Issues** Some **budget or older servers** may not officially support **2Rx4 modules**, though most modern enterprise servers do. Always check the server s **QPI/DMI bandwidth** and **memory controller** specifications.

5. **Price Sensitivity** While **128GB modules are cost-effective**, purchasing in bulk for large-scale deployments may still be expensive compared to smaller capacities.

6. **No Future-Proofing for DDR5** If you plan to upgrade to **DDR5 in the future**, these DDR4 modules will no longer be usable, requiring a full replacement.

---

### **Conclusion & Recommendation**

The **Hynix HMCT04AGERA200N (128GB, 2Rx4, DDR4-2800 CL20)** is an **excellent choice** for most **enterprise, virtualization, and database-heavy workloads** where **reliability, stability, and moderate speed** are prioritized. It strikes a strong balance between **performance, capacity, and cost**, making it suitable for:

- **Virtualization hosts** (VMware, Hyper-V, KVM)

- **Database servers** (MySQL, PostgreSQL, Oracle)

- **Web and application servers** (Apache, Nginx, Node.js)

- **General-purpose enterprise workloads** (ERP, CRM)

- If your workload requires **extremely high memory bandwidth** (e.g., AI/ML, real-time analytics), consider **DDR4-3200 or DDR5** modules.

- If your server supports **RDIMM/LRDIMM**, these offer better scalability for **very large memory configurations** (e.g., 1TB ).

- If you need **lower power consumption**, a **slower DDR4 variant (e.g., 2400MHz)** may suffice for less demanding workloads.

You need **reliable, high-capacity server RAM** for **virtualization, databases, or general enterprise use**.

Your server supports **DDR4-2800 (PC5-5600B)** and **2Rx4 modules**.

You prioritize **stability over absolute maximum speed**.

Your workload requires **the absolute fastest memory possible** (e.g., high-frequency trading, AI inference).

You plan to **upgrade to DDR5 in the near future** (this is a DDR4-only module).

Your server has **strict power efficiency requirements** (higher-speed DDR4 consumes more power).

For most **business-critical server deployments**, this is a **solid, well-supported choice** that delivers **good performance at a reasonable price**. Always verify **server compatibility** before purchasing.

Details:

It has a total capacity of 128GB and is compatible with server machines. This ECC registered memory module features a form factor of RDIMM and voltage 1.1V. The HYNIX 128GB 2S2Rx4 PC5-5600B HMCT04AGERA200N BB Memory Server is a high-quality DDR5 SDRAM memory module designed for server use. The product comes with a lifetime manufacturer warranty and is packaged in an anti-static Faraday bag for safe handling storage.

With a frequency of 5600MHz and bus speed PC5-44800 DDR5-56 this memory module is reliable choice for enhancing server performance. Item is Used and working, sold as final.

part #: hmct04agera200n prices

• $249.00-$5000.00

specifications servermemor:

• brand: Hynix
• mpn: Hmct04agera200n
• total capacity: 128 Gb
• compatible machine type: Server
• ecc type: Ecc Registered
• custom bundle: No
• item length: 133mm
• memory features: Ecc Memory, Registered
• form factor: Rdimm
• unit type: Unit
• manufacturer warranty: Lifetime
• item height: 30mm
• voltage: 1.1v
• number of pins: 288
• rank: 2s2rx4
• package type: Anti-static Faraday Bag
• type: Ddr5 Sdram
• frequency: 5600mhz
• bus speed: Pc5-44800
• country of origin: United States

returns servermemor:

• policy: No Returns

shipping servermemor:

• cost: $0.00
• service: USPS Ground Advantage
• transit: 5-9 Days
• class: Standard
• type: Calculated
• carrier: USPS

general servermemor:

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

seller servermemor:

• city: Copperas Cove, Texas
• rating: 0.0%
• # reviews: 46

offer servermemor:

• sold: 0
• started: March 23, 2026
• best offers: True
• quantity: 4
• options: Ship-to-home
• availability: In Stock

payments servermemor:

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

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