SAMSUNG M393A8G40CB4-CWEC0 Ecc Dimm 64GB DDR4-3200 2RX4

( Brand: Samsung ), ( Manufacturer Part Number: M393A8G40CB4-CWEC0 ), ( Form Factor: Rdimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 64 Gb ), ( Bus Speed: Pc4-23400 ), ( Country Of Origin: Vietnam ), ( Memory Features: Ecc Memory, Registered )

Review SAMSUNG Ddr4-3200 2rx4 Ecc Registered Dimm M393a8g40cb4-cwe

The **Samsung M393A8G40CB4-CWE (64GB, DDR4-3200, 2Rx4, ECC, DIMM)** is a high-performance, enterprise-grade memory module designed to deliver exceptional reliability, speed, and efficiency for demanding server, workstation, and high-end computing applications. Engineered with Samsung s proprietary **K4A8G325WB-CWE** memory chips, this module adheres to strict industry standards, ensuring seamless compatibility with a wide range of compatible server platforms, including those from Dell, HP, Lenovo, and other leading manufacturers. The **DDR4-3200MHz** clock speed ensures rapid data transfer rates, significantly enhancing system responsiveness, multitasking capabilities, and overall computational performance, making it ideal for data-intensive workloads such as virtualization, database management, AI/ML processing, and high-performance computing (HPC).

This **240-pin DIMM** module features a **2Rx4 configuration**, meaning it utilizes four ranks of memory with two channels, which optimizes bandwidth and reduces latency for better throughput in multi-core processor environments. The inclusion of **ECC (Error-Correcting Code)** technology is a critical feature for maintaining data integrity, automatically detecting and correcting single-bit errors while providing alerts for multi-bit errors, thus safeguarding critical operations in mission-critical applications. This makes it an excellent choice for environments where uptime and accuracy are non-negotiable, such as financial trading systems, healthcare databases, or large-scale cloud infrastructure.

Constructed with high-quality, low-power components, the **M393A8G40CB4-CWE** operates efficiently within standard server voltage ranges, reducing heat generation and contributing to lower power consumption an essential consideration for data centers aiming to optimize energy costs and cooling requirements. The module s **64GB capacity** (comprising eight 8GB chips) provides ample memory for handling resource-heavy tasks, such as running multiple virtual machines, large-scale simulations, or high-resolution rendering workloads without bottlenecks. Its **CWE (Corporate Workstation/Enterprise) designation** further underscores its suitability for professional-grade systems, ensuring robust performance and longevity in both server and workstation deployments.

For IT administrators and system integrators, this module offers a balance of speed, reliability, and scalability, making it a versatile addition to any high-performance computing setup. Whether deployed in a **Dell PowerEdge, HP ProLiant, Lenovo ThinkSystem, or other compatible server architecture**, the **Samsung M393A8G40CB4-CWE** delivers a proven combination of speed, endurance, and error resilience, ensuring peak performance for the most demanding applications. Its compatibility with **DDR4-3200MHz** memory controllers and support for advanced memory management features further solidifies its role as a premium choice for professionals seeking both performance and dependability in their computing infrastructure.

### **Pros and Cons of the Samsung M393A8G40CB4-CWE (64GB DDR4-3200 2Rx4 ECC DIMM)**

1. **High Performance and Speed** DDR4-3200 modules offer faster data transfer rates compared to older DDR4-2400 or DDR3, improving system responsiveness in memory-intensive tasks like gaming, video editing, and virtualization.

2. **ECC Memory** Error-Correcting Code (ECC) memory helps detect and correct single-bit errors, which is crucial for data integrity in servers, workstations, and applications running critical workloads (e.g., databases, financial modeling, or scientific computing).

3. **Low Latency (CL16)** The CAS latency (CL16) is optimized for performance, balancing speed and efficiency in memory operations.

4. **Reliability for Servers and Workstations** This module is designed for professional use, making it suitable for enterprise servers, high-end desktops, and systems requiring stability over extended periods.

5. **Compatibility with Modern Platforms** DDR4-3200 is widely supported in newer Intel and AMD CPUs (e.g., Xeon, Ryzen Threadripper, Core i7/i9, and EPYC), ensuring broad compatibility with high-end motherboards.

6. **Scalability** The 2Rx4 configuration (two ranks, four modules per slot) allows for better memory channel utilization, which can improve throughput in multi-core systems.

7. **Long-Term Availability** Samsung is a reputable manufacturer, and this module is likely to remain available for several years, reducing the risk of obsolescence.

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1. **High Cost** DDR4-3200 ECC modules are significantly more expensive than non-ECC or lower-speed memory. For consumer-grade systems, this may not be cost-effective.

2. **Overkill for Consumer Use** Unless you re running a server, workstation, or memory-intensive professional workload, the performance gains may not justify the expense for gaming or general desktop use.

3. **Power Consumption** DDR4-3200 modules draw more power than slower DDR4 variants, which could increase system power draw and heat output, requiring better cooling solutions.

4. **Limited Upgrade Path** Some motherboards may not support DDR4-3200, especially older or budget models. Always verify compatibility with your specific motherboard and CPU.

5. **Redundancy Overhead** ECC memory includes extra bits for error correction, which means slightly less usable capacity (though 64GB is still substantial).

6. **Potential for Overkill in Single-Threaded Tasks** If your workload is not memory-bound (e.g., single-threaded applications), the speed advantage may not be noticeable.

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The **Samsung M393A8G40CB4-CWE (64GB DDR4-3200 2Rx4 ECC)** is an excellent choice for **servers, workstations, and professional-grade systems** where data integrity, high-speed memory, and multi-core performance are critical. It excels in environments requiring reliability, such as virtualization, database management, or high-performance computing.

However, for **consumer-grade gaming PCs, budget builds, or single-user desktops**, the cost and performance benefits may not be justified. In such cases, a **non-ECC DDR4-3200 or DDR4-2666 module** could offer similar speed at a fraction of the price.

---

- You are building a **server, workstation, or high-end professional system**.

- You need **ECC memory for data integrity** (e.g., databases, virtualization, financial modeling).

- Your motherboard and CPU support **DDR4-3200** (check QVL lists for compatibility).

- You prioritize **low latency and high throughput** for multi-threaded workloads.

- You are on a **tight budget** and don t need ECC or high-speed memory.

- Your system is **consumer-grade** (gaming, general use, or single-threaded tasks).

- You can find a **non-ECC or slower DDR4 module** that meets your needs at a lower cost.

For most users, **64GB of DDR4-3200 ECC is overkill**, but for power users and professionals, it is a **premium, high-performance choice** worth the investment. Always verify compatibility with your motherboard and CPU before purchasing.

Details:

ITEM DETAILS: Samsung 64GB DDR4-32000 2Rx4 ECC Registered DIMM. Used, 90 day warranty.

part #: m393a8g40cb4cwec0 price

• $735.00

specifications servermemor:

• brand: Samsung
• mpn: M393a8g40cb4-cwec0
• form factor: Rdimm
• type: Ddr4 Sdram
• total capacity: 64 Gb
• bus speed: Pc4-23400
• country of origin: Vietnam
• memory features: Ecc Memory, Registered

shipping servermemor:

• carrier: UPS
• class: Economy, Standard
• service: UPS Ground Saver, UPS Ground
• transit: 5-12 Days
• cost: $0.00
• type: Fixed

offer servermemor:

• started: May 16, 2026
• best offers: True
• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock

payments servermemor:

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

general servermemor:

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

seller servermemor:

• # reviews: 10690
• rating: 100.0%
• city: East Walpole, Massachusetts

returns servermemor:

• policy: No Returns

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