SAMSUNG M393A3G40AB2-CWECO Gb Ecc Dimm Server Ram 64 DDR4 PC4-3200AA

( Brand: Samsung ), ( Manufacturer Part Number: M393A3G40AB2-CWECO ), ( Form Factor: Rdimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 64 Mb ), ( Capacity Per Module: 64 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-3200aa ), ( Memory Features: Ecc Memory, Registered )

Review SAMSUNG 64 Gb Ddr4 Ecc Registered Dimm Server Ram

The **Samsung M393A3G40AB2-CWECO 64GB DDR4 PC4-3200AA ECC Registered DIMM Server RAM** is a high-performance, enterprise-grade memory module meticulously engineered to deliver uncompromising reliability, speed, and scalability for demanding server environments. Designed with Samsung s proprietary **K4A8G325WB-BCTC** DDR4 DRAM chips, this module offers **64GB of high-density memory** in a single DIMM slot, making it an ideal solution for data-intensive workloads such as virtualization, cloud computing, high-performance computing (HPC), and large-scale database management systems. The **DDR4 PC4-3200** specification ensures a robust **3200MHz** data transfer rate, enabling faster data processing, reduced latency, and improved system responsiveness critical for applications requiring real-time performance and efficient multitasking.

As a **Registered (RDIMM)** module, this RAM module incorporates an onboard register that buffers commands from the memory controller, significantly enhancing stability and reducing the risk of data corruption in multi-socket server configurations. This feature is particularly advantageous in high-end servers with multiple CPU sockets, where signal integrity and memory channel synchronization are paramount. The **ECC (Error-Correcting Code)** functionality further fortifies data integrity by detecting and correcting single-bit errors on the fly, ensuring critical system operations remain uninterrupted even in the event of transient memory faults a capability essential for mission-critical applications where uptime and accuracy are non-negotiable.

Constructed with **low-power, high-efficiency DRAM technology**, this module adheres to strict **JEDEC standards**, ensuring seamless compatibility with a wide range of enterprise-grade server platforms, including those from Dell, HP, Lenovo, and other leading manufacturers. The **288-pin DIMM form factor** guarantees plug-and-play installation, while the **260-pin connector** ensures robust electrical connectivity, minimizing signal degradation and maximizing data throughput. Additionally, the module is built to endure rigorous environmental conditions, with robust thermal management features that help maintain optimal operating temperatures, thereby extending the lifespan of both the RAM and the host server.

Whether deployed in a **virtualized data center, a high-frequency trading environment, or a large-scale AI/ML infrastructure**, this Samsung server RAM module provides the speed, reliability, and capacity needed to handle the most demanding computational tasks. Its **low-latency architecture** and **optimized power consumption** make it a cost-effective choice for organizations seeking to balance performance with energy efficiency, while its **enterprise-grade build quality** ensures long-term dependability in the most demanding server deployments. For administrators and IT professionals prioritizing performance, scalability, and data protection, the **Samsung M393A3G40AB2-CWECO 64GB DDR4 PC4-3200AA ECC Registered DIMM** stands as a premium solution designed to elevate server performance to its fullest potential.

### **Pros and Cons of buying a Samsung M393A3G40AB2-CWECO (64GB DDR4 PC4-3200 ECC DIMM Server RAM)**

1. **High Performance and Reliability** This is a **registered ECC DDR4 RAM** module designed for **server and workstation use**, ensuring stability in high-demand environments. ECC memory helps detect and correct errors, reducing data corruption risks in critical applications.

2. **DDR4 PC4-3200 (2133 MHz) Speed** While not the fastest available (some server RAM supports higher speeds like DDR4-3200 or DDR5), this module operates at **2133 MHz**, which is sufficient for most **enterprise servers, workstations, and professional workloads** (e.g., virtualization, databases, and general server operations).

3. **Registered (Buffered) Design** The **registered (buffered) architecture** helps manage signal integrity on multi-socket servers, reducing latency and improving stability in high-channel-count systems.

4. **Compatibility with Enterprise Hardware** This module is designed for **server motherboards** (e.g., Dell PowerEdge, HP ProLiant, Lenovo ThinkServer, Supermicro, and other x86 server platforms). It is **not consumer-grade RAM**, meaning it is built to withstand **24/7 operation** without overheating or failing prematurely.

5. **Low Latency (CL15)** The **CAS latency of 15** ensures efficient data transfer, which is important for **database operations, virtualization, and multi-threaded applications**.

6. **Long-Term Availability** Samsung is a **reputable manufacturer**, and this part number has been in production for several years, meaning **spare parts and replacements are widely available** in the used/refurbished market.

7. **Cost-Effective for High Capacity** At **64GB per stick**, this module provides **high-density memory** at a reasonable price compared to newer DDR5 options, making it a **budget-friendly choice for upgrading older servers**.

8. **Supports Dual-Channel & Quad-Channel Configurations** Works well in **dual-channel (2x) or quad-channel (4x) setups**, maximizing performance in multi-socket servers.

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1. **Not DDR5** This is **DDR4-only**, meaning it **will not work in newer Intel Xeon Scalable (Sapphire Rapids) or AMD EPYC (Rome/Milan) servers that support DDR5**. If you are upgrading to a **modern server platform**, you may need to invest in **DDR5 ECC RAM** in the future.

2. **Limited Speed for High-End Workloads** While **2133 MHz is adequate for most server tasks**, **high-performance computing (HPC), AI workloads, or extreme virtualization setups** may benefit from **higher-speed DDR4 (e.g., 2933 MHz or 3200 MHz) or DDR5**.

3. **Single-Rank (x8) Configuration** This is a **single-rank (x8) module**, meaning it has **one memory chip per rank**. While this is fine for most servers, **dual-rank (x16) modules** can offer **better bandwidth** in some configurations.

4. **Potential Compatibility Issues with Newer Servers** Some **newer server motherboards (especially those with Intel Xeon or AMD EPYC CPUs)** may have **strict memory compatibility requirements**. Always **check the motherboard s QVL (Qualified Vendor List)** before purchasing.

5. **No Error-Correcting Code (ECC) in Consumer Systems** If you mistakenly install this in a **consumer motherboard**, it **will not work** (consumer RAM lacks the buffering and registration needed for servers).

6. **Used/Refurbished Risk** Since this is a **server-grade module**, it is often found in **refurbished or used markets**. While Samsung RAM is reliable, **always verify the module s history** (e.g., no prior failures, proper storage conditions) to avoid defective units.

7. **No Overclocking Support** Unlike some **consumer RAM**, this module **does not support overclocking**, as it is optimized for **stable, low-latency server performance** rather than speed boosts.

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### **Conclusion & Recommendation**

- **Upgrading older servers** (Intel Xeon E5/E7, AMD Opteron, or early Xeon Scalable/EPYC).

- **Virtualization hosts** (VMware, Hyper-V, KVM) where **stability and error correction** are critical.

- **Database servers, file servers, or workstations** running **memory-intensive applications**.

- **Budget-conscious buyers** who need **high-capacity, reliable RAM** without overpaying for DDR5.

- **Newer servers with DDR5 support** (e.g., Intel Xeon 4th Gen, AMD EPYC Milan/Zen 4).

- **High-performance computing (HPC) or AI workloads** that require **higher memory speeds**.

- **Gaming or consumer PCs** (this is **server RAM** and will not fit or function properly in non-server hardware).

If you are **upgrading a mid-range or older server** (e.g., Dell PowerEdge R740, HP ProLiant DL380, Supermicro X12 series) and need **reliable, high-capacity ECC RAM**, this **Samsung M393A3G40AB2-CWECO 64GB DDR4-2133 ECC module is an excellent choice**.

However, if you are **building or upgrading to a newer server platform (DDR5-compatible)**, consider **DDR5 ECC RAM** instead. Always **verify compatibility** with your motherboard s QVL before purchasing.

For **long-term future-proofing**, if budget allows, **pair this with a mix of DDR4 and DDR5 modules** (if your server supports both) to balance performance and upgradeability. Otherwise, this remains a **solid, cost-effective server RAM option**.

Details:

The Samsung 64 GB DDR4 PC4-3200AA ECC Registered DIMM Server RAM M393A3G40AB2-CWECO is a high-performance memory module designed for server use. Perfect for enterprise networking and server applications, this module is a crucial component enhancing the performance functionality of systems. The RAM module is designed with ECC memory and registered features, ensuring error correction improved stability. With a total capacity of 64 GB and form factor RDIMM, it offers reliable efficient operation.

part #: m393a3g40ab2 prices

• $64.99-$250.00

specifications servermemor:

• brand: Samsung
• mpn: M393a3g40ab2-cweco
• form factor: Rdimm
• type: Ddr4 Sdram
• total capacity: 64 Mb
• capacity per module: 64 Gb
• number of pins: 288
• bus speed: Pc4-3200aa
• memory features: Ecc Memory, Registered

general servermemor:

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

seller servermemor:

• rating: 0.0%
• city: Richardson, Texas
• # reviews: 0

shipping servermemor:

• type: Calculated
• class: Standard
• transit: 5-10 Days
• service: USPS Ground Advantage
• cost: $5.52
• carrier: USPS

returns servermemor:

• policy: No Returns

offer servermemor:

• availability: In Stock
• best offers: True
• quantity: 0
• started: March 12, 2026
• sold: 1
• options: Ship-to-home

payments servermemor:

• credit card: Diners-club
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• wallet: Paypal

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