SAMSUNG M393A4K0EB3-CWEGY Rdimm Server Memory Ram 32GB 2RX4 DDR4 PC4-3200AA-RB2

( Brand: Samsung ), ( Manufacturer Part Number: M393A4K0EB3-CWEGY ), ( Type: Ddr4 Sdram ), ( Bus Speed: Pc4-25600 ), ( Capacity Per Module: 32 Gb )

Review SAMSUNG 2rx4 Ddr4 Rdimm Registered Server Memory Ram

The **Samsung M393A4K0EB3-CWEGY 32GB 2Rx4 DDR4 PC4-3200AA-RB2 Registered DIMM (RDIMM) Server Memory** is a high-performance, enterprise-grade memory module meticulously engineered to deliver exceptional reliability, speed, and scalability for demanding server environments. Part of Samsung s renowned **M393 series**, this RDIMM module is designed to meet the stringent requirements of modern data centers, cloud infrastructure, and high-performance computing (HPC) workloads. With a robust **32GB capacity** per module, it provides substantial memory expansion options, allowing administrators to optimize system performance for memory-intensive applications such as virtualization, database management, AI/ML processing, and large-scale transactional systems. The **2Rx4 configuration** ensures efficient data transfer with two ranks of memory chips, enabling balanced latency and throughput while maintaining compatibility with a wide range of server platforms.

Built on **DDR4 technology**, this module operates at a **PC4-3200** speed rating, translating to an effective data transfer rate of **1600 MHz**, which significantly enhances system responsiveness and reduces latency in memory-bound operations. The **AA (Advanced Application) designation** further underscores its optimized performance for workloads requiring sustained high throughput, such as real-time analytics, high-frequency trading, and large-scale data processing. Samsung s **Registered DIMM (RDIMM) architecture** incorporates a buffer chip to manage data signals, reducing the risk of timing issues and ensuring stable operation in multi-socket server configurations where memory latency can become a critical bottleneck.

The module adheres to strict **JEDEC standards**, guaranteeing compatibility with a broad spectrum of server hardware, including those from major vendors like Dell, HP, Lenovo, and Cisco. Its **low-power design** is complemented by advanced error correction capabilities, including **ECC (Error-Correcting Code)**, which protects against data corruption by detecting and automatically correcting single-bit errors a feature indispensable for maintaining data integrity in mission-critical environments. Additionally, the **RDIMM form factor** is engineered for seamless integration into server motherboards equipped with RDIMM slots, offering a scalable solution for memory-intensive deployments where multiple modules can be deployed in tandem to achieve terabyte-scale memory configurations.

Beyond its technical specifications, this memory module is constructed with **high-reliability components**, including Samsung s proprietary **96-layer 3D V-NAND technology** for the DRAM chips, which enhances density, performance, and endurance. The module s **low-profile design** ensures compatibility with space-constrained server chassis, while its **industrial-grade build quality** guarantees long-term stability under sustained operational loads. Whether deployed in a **2U rack server, blade system, or high-density compute node**, this RDIMM module delivers a harmonious blend of speed, capacity, and reliability, making it an ideal choice for organizations prioritizing performance, scalability, and data protection in their server infrastructure.

### **Pros and Cons of Buying Samsung M393A4K0EB3-CWEGY (32GB 2Rx4 DDR4 PC4-3200 AA-RB2 RDIMM Server RAM)**

1. **High Performance and Speed** The module operates at **PC4-3200 (1600 MHz)** with **low latency (CL16)**, making it suitable for high-performance computing, virtualization, and data-intensive workloads. This speed is ideal for modern server CPUs that support DDR4-3200 or higher.

2. **Registered (RDIMM) Design** As an **RDIMM**, it provides better stability and reliability in multi-socket servers by reducing signal interference on the memory bus. This is crucial for enterprise environments where data integrity is critical.

3. **Error-Correcting Code (ECC) Support** The **AA-RB2** designation indicates it is **ECC-enabled**, which helps detect and correct single-bit errors, improving data accuracy in mission-critical applications.

4. **High Capacity (32GB per Module)** A single module provides **32GB of RAM**, which is useful for scaling up server configurations without requiring excessive slots. This is particularly beneficial for memory-intensive workloads like databases, virtualization, or AI/ML tasks.

5. **Compatibility with Modern Servers** This module is designed for **DDR4 ECC RDIMM sockets**, making it compatible with a wide range of **Intel Xeon, AMD EPYC, and other enterprise-grade server CPUs** that support DDR4-3200.

6. **Reliability and Durability** Samsung is a reputable manufacturer known for **high-quality memory modules** with robust build quality, ensuring long-term stability in server environments.

7. **Low Power Consumption** DDR4-3200 modules are generally more power-efficient than older DDR3 or higher-speed DDR4 variants, reducing operational costs in data centers.

8. **Scalability** Since it is a **2Rx4 module**, it can be paired with other identical modules in a **dual-channel configuration**, allowing for efficient memory scaling in multi-socket servers.

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1. **High Cost** Compared to consumer-grade DDR4 RAM, **enterprise-grade ECC RDIMM modules** are significantly more expensive. This makes them less cost-effective for non-server applications.

2. **Limited Consumer Market Use** While this module works in **compatible consumer motherboards with DDR4-3200 support**, it is **not optimized for gaming or general desktop use**. Most consumer systems do not require ECC or RDIMM, making this an unnecessary (and expensive) upgrade for non-server PCs.

3. **Specific Socket Requirements** Not all servers or motherboards support **DDR4-3200 RDIMM**. You must verify **compatibility with your server s chipset and BIOS settings**, which can be a limitation if upgrading an older system.

4. **Potential Overkill for Light Workloads** If you are running **basic server tasks (file serving, light web hosting, or small-scale virtualization)**, this high-capacity module may be **more than needed**, leading to wasted resources.

5. **No Support for Non-ECC Applications** Since it is **ECC-only**, it cannot be used in systems that do not require error correction (e.g., some budget servers or non-critical workstations).

6. **Warranty and Return Policies** Enterprise-grade RAM often comes with **limited return windows** or **strict compatibility checks**, making returns or replacements more difficult if issues arise.

7. **Heat and Power Considerations** Higher-speed and higher-capacity RAM modules can generate **more heat**, requiring adequate cooling in the server chassis. Poor airflow can lead to throttling or instability.

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The **Samsung M393A4K0EB3-CWEGY (32GB DDR4-3200 ECC RDIMM)** is an **excellent choice for enterprise servers, high-performance computing, virtualization, and data-intensive applications** where **reliability, speed, and error correction** are critical. Its **high capacity, low latency, and registered design** make it ideal for **multi-socket servers, cloud infrastructure, and mission-critical workloads**.

However, for **consumer PCs, gaming rigs, or non-ECC applications**, this module is **overkill and unnecessarily expensive**. In such cases, **non-ECC or LRDIMM modules** would be more appropriate.

- You are **building or upgrading a server** (Intel Xeon, AMD EPYC, etc.).

- You need **high-speed, low-latency memory** for **virtualization, databases, or AI workloads**.

- **ECC and RDIMM support** are required for **data integrity**.

- You are **scaling a multi-socket server** and need **32GB modules for efficient memory expansion**.

- You are using it in a **consumer PC, gaming rig, or non-server workstation**.

- Your server **does not support DDR4-3200 RDIMM** (check compatibility first).

- You are on a **tight budget** and do not need **ECC or high-speed memory**.

- You are running **light workloads** (e.g., file serving, basic web hosting).

For **best value**, always **verify compatibility** with your server s **CPU, chipset, and BIOS** before purchasing. If unsure, consult the **server manufacturer s documentation** or a **server hardware specialist**.

Details:

C4 - Used Good / F3 Key Functions Working Non-Data, DB. This is the fastest way to get a response. Serial numbers are recorded at time of purchase. Included in this Sale: Qty 1 32GB SAMSUNG 2RX4 DDR4 PC4-3200AA-RB2 RDIMM Registered Server Memory RAM, All unit are tested by our in-house tech team.

Please be certain you can use what are buying on, as incompatibility is not a valid reason for return. Mr.imparts Vietcong's.

part #: m393a4k0eb3 prices

• $272.99-$298.99

specifications servermemor:

• brand: Samsung
• mpn: M393a4k0eb3-cwegy
• type: Ddr4 Sdram
• bus speed: Pc4-25600
• capacity per module: 32 Gb

payments servermemor:

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

offer servermemor:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: April 8, 2026
• best offers: True
• sold: 0

shipping servermemor:

• cost: $0.00
• service: Standard
• transit: 3-8 Days
• type: Fixed
• class: Standard

general servermemor:

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

seller servermemor:

• city: Lawrenceville, Georgia
• rating: 99.9%
• # reviews: 23407

returns servermemor:

• paid by: Seller
• time: 30 Days
• method: Money back
• policy: Returns Accepted

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