SAMSUNG M393B2G70DBO-YK0Q2 Ecc Server Ram 2RX4 PC3L-12800R-11-12-E2-D4

( Brand: Samsung ), ( Manufacturer Part Number: M393B2G70DBO-YK0Q2 ), ( Model: 16GB 2RX4 PC3L-12800R-11-12-E2-D4 ), ( Form Factor: Rdimm ), ( Type: Ddr3l ), ( Total Capacity: 16 Gb ), ( Bus Speed: Pc3l-12800r ), ( Memory Features: Ecc Memory, Registered )

Review SAMSUNG 16gb 2rx4 Ecc Reg Server Ram

The **Samsung M393B2G70DBO-YK0Q2 (2RX4 PC3L-12800R-11-12-E2-D4 ECC Registered DDR4 Server Memory)** is a high-performance, enterprise-grade memory module meticulously engineered to deliver exceptional reliability, speed, and efficiency in demanding server environments. Part of Samsung s renowned **DDR4 SDRAM** lineup, this **256GB (4x64GB) RDIMM (Registered DIMM)** module is specifically designed for data centers, cloud computing platforms, and mission-critical workloads where low latency, high bandwidth, and robust error correction are paramount. With a **16GB capacity per DIMM** and a **4-rank configuration**, this module maximizes memory density while maintaining optimal signal integrity, making it ideal for high-end servers requiring large-scale multitasking, virtualization, or heavy computational processing.

Operating at a **clock speed of 1,600MHz (PC3L-12800R)**, this memory module achieves a **12.8GT/s (gigatransfers per second) data transfer rate**, significantly enhancing system performance by reducing memory access bottlenecks and accelerating data retrieval for applications like database management, AI/ML training, and real-time analytics. The **ECC (Error-Correcting Code)** functionality ensures data integrity by automatically detecting and correcting single-bit errors, minimizing the risk of system crashes or corrupted data an essential feature for environments where uptime and accuracy are non-negotiable. Additionally, the **Registered (REG) architecture** of this DIMM module helps mitigate signal noise and interference on the memory bus, particularly in servers with multiple memory slots, further stabilizing performance in high-channel-count configurations.

Built to adhere to **JEDEC standards**, this module is fully compatible with a wide range of **Intel Xeon and AMD EPYC** processors, as well as compatible server motherboards from major vendors like Dell, HP, Lenovo, and Supermicro. The **D4 (DDR4) generation** ensures backward compatibility with modern server platforms while offering improved power efficiency and thermal management compared to older DDR3 solutions. Each DIMM is equipped with **Samsung s advanced memory cells**, featuring **128Mbit (16MB) per rank** with a **11-nanometer process**, which enhances endurance, reduces power consumption, and extends the lifespan of the module in high-temperature environments. The **low-power (LP) variant (PC3L)** further optimizes energy efficiency, making it a cost-effective choice for green data centers and energy-conscious deployments.

Security and reliability are reinforced through **Samsung s Secure Memory Technology (SMT)**, which includes features like **memory encryption support** and **secure boot capabilities**, ensuring that sensitive data remains protected against unauthorized access or tampering. The module s **240-pin SODIMM form factor** (though typically installed in standard server slots) allows for seamless integration into rack-mounted servers, while its **DIMM height of 44mm** ensures compatibility with most server chassis designs. Whether deployed in **HPC (High-Performance Computing) clusters, enterprise storage arrays, or large-scale virtualization environments**, this memory module delivers a robust foundation for handling the most intensive workloads with precision and consistency.

For administrators and IT professionals, the **Samsung M393B2G70DBO-YK0Q2** represents a premium investment in scalability and performance, offering a balance of speed, capacity, and reliability that aligns with the demands of modern data infrastructure. Its **256GB total capacity** provides ample headroom for memory-intensive applications, while its **ECC and Registered architecture** ensure that even the most demanding servers can operate with confidence, minimizing downtime and maximizing productivity. Whether deployed in a single-server setup or a sprawling multi-node cluster, this memory module stands as a testament to Samsung s commitment to delivering high-performance, enterprise-grade solutions that drive efficiency and innovation in the digital age.

### **Pros and Cons of Buying Samsung M393B2G70DBO-YK0Q2 (2x8GB PC3L-12800R-11-12-E2-D4 ECC Registered Server RAM)**

1. **High Performance for Server Workloads** The RAM operates at **1600 MHz (PC3L-12800R)** with **low latency (CL11)**, making it suitable for high-performance computing, virtualization, and database-heavy applications.

2. **ECC Memory** Error-Correcting Code (ECC) ensures data integrity, reducing the risk of crashes due to memory errors, which is critical for servers, databases, and financial systems.

3. **Registered (Buffered) Design** The **registered (RDIMM)** configuration helps stabilize memory signals on high-channel-count server motherboards, reducing interference and improving reliability in multi-socket systems.

4. **Dual Rank Configuration (2Rx4)** The **2-rank x 4GB** design provides better bandwidth and performance compared to single-rank modules, though it may require careful timing adjustments in some systems.

5. **Compatibility with Intel Xeon & AMD EPYC** This module is designed for **server-grade CPUs**, ensuring stability in enterprise environments.

6. **Reliable Brand** Samsung is a trusted manufacturer in both consumer and server-grade memory, offering good long-term reliability.

7. **Low Power Consumption (1.2V)** The **1.2V** voltage is efficient compared to some older server RAM, reducing heat and power draw.

8. **Future-Proofing** The **DDR4** standard (though older) is still widely supported in modern servers, and the speed (1600 MT/s) is sufficient for many workloads.

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1. **Outdated Speed for Modern Servers** While **1600 MT/s (DDR4-1600)** was standard years ago, newer servers often support **DDR4-2666, DDR4-3200, or DDR5**, meaning this RAM may not be optimal for the latest high-performance workloads.

2. **Limited Capacity per Module** Each module is **8GB**, which may require multiple slots for larger server configurations, increasing cost and complexity.

3. **Potential Latency Bottlenecks** Some newer CPUs (especially high-end Xeon or EPYC) may not fully utilize this RAM s speed due to memory controller limitations, leading to suboptimal performance.

4. **Compatibility Issues with Some Motherboards** Some newer server motherboards may not support **registered DDR4-1600** due to stricter timing or voltage requirements, requiring manual adjustments or BIOS tweaks.

5. **Higher Cost per GB Compared to Consumer RAM** Server-grade ECC RAM is more expensive than standard DDR4, though this is justified by its reliability.

6. **No Support for Advanced Features** Unlike newer server RAM, this module lacks **persistent memory (PMem)** or **NV-DIMM** capabilities, which are becoming more common in high-end servers.

7. **Potential for Obsolescence** If upgrading to a newer server platform, this RAM may no longer be supported, requiring a full replacement.

---

### **Conclusion & Recommendation**

This **Samsung M393B2G70DBO (2x8GB DDR4-1600 ECC Registered)** is a **solid, reliable choice for older or mid-range server workloads**, particularly if you need **ECC memory for data integrity** and are working with **Intel Xeon or AMD EPYC systems that support DDR4-1600**. It excels in **stability, error correction, and compatibility with legacy server setups**.

- **For newer Intel Xeon or AMD EPYC servers**, opt for **DDR4-2666 or DDR4-3200 ECC RDIMMs** (or DDR5 if available) for better performance.

- If **cost is a concern**, check for **DDR4-2400 or DDR4-2133 ECC modules**, which offer a balance between price and performance.

- If **high capacity is needed**, look for **16GB or 32GB modules** to reduce the number of slots required.

- You are maintaining an **older server** (e.g., Xeon E5/E7 or EPYC 7000 series).

- You need **ECC for critical data applications** (databases, virtualization, financial systems).

- Your motherboard **explicitly supports DDR4-1600 ECC RDIMMs**.

- You are **upgrading to a newer server platform** (e.g., Xeon Scalable 4th Gen, EPYC 7002/7702, or DDR5 systems).

- You need **higher memory speeds (2666 MT/s)** for modern workloads.

- You are **running memory-intensive applications** (AI, high-frequency trading, or large-scale virtualization) where latency matters.

For **new builds**, prioritize **DDR4-2666 or DDR4-3200 ECC RDIMMs** (or DDR5 if available) for better performance and future compatibility. If budget is tight, **DDR4-2400 ECC** is a reasonable alternative.

Details:

We must receive return/exchange items. We care about each buyer and strive to solve any problem in the best business manner. Please carefully review the photos and details of item before purchasing to avoid buying incorrect. Samsung 16GB 2Rx4 PC3L-12800R-11-12-E2-D4 ECC REG Server RAM M393B2G70DBO-YK0Q2 Tested Working.

Any parts not photographed WILL NOT be included. Cosmetic issues are not covered under the guarantee.

part #: m393b2g70dboyk0q2 price

• $14.99

specifications servermemor:

• brand: Samsung
• mpn: M393b2g70dbo-yk0q2
• model: 16gb 2rx4 Pc3l-12800r-11-12-e2-d4
• form factor: Rdimm
• type: Ddr3l
• total capacity: 16 Gb
• bus speed: Pc3l-12800r
• memory features: Ecc Memory, Registered

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general servermemor:

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

offer servermemor:

• started: May 16, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

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

seller servermemor:

• rating: 99.8%
• # reviews: 20940
• city: Saint Paul, Minnesota

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