SAMSUNG M393B2G70EB0-YKQ2 Sdram Rdimm Ecc Server Memory 2X 2RX4 PC3L-12800R-11-13-E2-D4 DDR3L

( Brand: Samsung ), ( Manufacturer Part Number: M393B2G70EB0-YKQ2 ), ( Model: PC3L-12800R-11-13-E2-D4 ), ( Form Factor: Rdimm ), ( Type: Ddr3l Sdram ), ( Unit Type: Unit ), ( Total Capacity: 32 Gb ), ( Capacity Per Module: 16 Gb ), ( Bus Speed: Pc3l-12800r ), ( Country Of Origin: China ), ( Memory Features: Ecc Memory )

Review SAMSUNG 2x 16gb 2rx4 Sdram Rdimm Ecc Server Memory

The **Samsung M393B2G70EB0-YKQ2** is a high-performance **2x2GB (2Rx4) DDR3L SDRAM RDIMM** memory module engineered specifically for enterprise and server environments, delivering uncompromising reliability, efficiency, and scalability. Part of Samsung s premium **ECC (Error-Correcting Code) memory lineup**, this module adheres to the **PC3L-12800R** specification, operating at an optimized **1333 MHz (DDR3L)** frequency with a **11-11-11-27** CAS latency timing configuration, ensuring seamless data integrity and low-power consumption ideal for energy-efficient data centers. The **RDIMM (Registered DIMM)** architecture incorporates a registered buffer chip to mitigate signal integrity issues on high-channel-count server motherboards, reducing electromagnetic interference and improving stability in multi-socket configurations. With **ECC protection**, this memory module actively detects and corrects single-bit errors, safeguarding critical workloads such as virtualization, database management, and high-performance computing (HPC) applications from data corruption. The **DDR3L (Low Voltage)** variant operates at a reduced **1.35V** supply voltage compared to standard DDR3, further enhancing power efficiency and reducing heat generation, which is particularly advantageous for servers deployed in dense, high-density environments. Built with Samsung s proprietary **10nm-class NAND flash and advanced DRAM fabrication processes**, these modules offer exceptional endurance, low latency, and consistent performance under sustained workloads. The **D4 (DDR3L-1333)** designation ensures compatibility with a wide range of **Intel Xeon, AMD Opteron, and other enterprise-grade server platforms**, making it a versatile solution for both legacy and modern server architectures. Whether deployed in **2U rack servers, blade systems, or large-scale storage arrays**, this memory module exemplifies Samsung s commitment to delivering enterprise-grade performance, reliability, and energy efficiency making it a trusted choice for mission-critical infrastructure.

**Pros and Cons of buying a Samsung M393B2G70EB0-YKQ2 (2x 2Rx4 PC3L-12800R-11-13-E2-D4 DDR3L SDRAM RDIMM ECC Server Memory)**

1. **High Performance and Speed** This is a DDR3L RDIMM module with a speed of **1600 MT/s (PC3L-12800R)**, which is optimized for low-power server workloads while maintaining strong throughput. The **registered (RDIMM)** design ensures stable data transfer across multiple channels, reducing latency and improving overall system performance.

2. **ECC (Error-Correcting Code) Support** The module includes **ECC memory**, which is critical for servers as it detects and corrects single-bit errors, preventing data corruption and improving reliability especially in mission-critical applications.

3. **Low Power Consumption (DDR3L)** DDR3L (Low Power) modules operate at a lower voltage (typically **1.35V**) compared to standard DDR3 (1.5V), reducing power draw and heat generation. This makes it ideal for energy-efficient server deployments, particularly in data centers where power costs are a concern.

4. **Registered DIMM (RDIMM) Design** RDIMMs are designed for multi-channel server architectures, allowing for better signal integrity and scalability. They are commonly used in enterprise servers where memory bandwidth and stability are prioritized.

5. **Compatibility with Enterprise Servers** This module is likely designed for **Intel Xeon or AMD Opteron** server platforms, making it suitable for **workloads such as virtualization, databases, and high-performance computing (HPC)**. It fits standard **204-pin DDR3L DIMM slots** found in many enterprise motherboards.

6. **Reliability and Longevity** Samsung is a reputable manufacturer known for producing high-quality server memory with rigorous testing, ensuring long-term stability and reduced failure rates compared to consumer-grade RAM.

7. **Scalability** The **2Rx4 configuration (2 ranks 4GB per DIMM)** allows for higher memory capacity when paired with compatible server motherboards, supporting configurations like **128GB, 256GB, or more** depending on the system.

8. **Low Latency (CL9)** The **CAS latency of 9 (CL9)** is relatively low for server memory, which helps improve system responsiveness in memory-intensive tasks.

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1. **DDR3L Obsolescence** DDR3L was introduced in **2011** and has been largely replaced by **DDR4 and DDR5** in modern server architectures. While it remains functional in older or legacy systems, purchasing it now may limit future upgrade options. Most new servers (post-2017) use **DDR4 or DDR5**, making this module less future-proof.

2. **Limited Availability of Compatible Systems** Newer servers (especially those with **Intel Xeon Scalable, AMD EPYC, or newer Intel Xeon D-series**) do not support DDR3L. You would need an **older Intel Xeon E5/E7, AMD Opteron, or low-power server platform** to use this memory effectively. This restricts its usefulness in modern deployments.

3. **Higher Cost per GB Compared to DDR4/DDR5** While DDR3L modules were once competitive, **DDR4 and DDR5 server memory now offer better performance per watt and lower costs for equivalent capacity**. Buying DDR3L today may be more expensive per gigabyte than newer alternatives.

4. **No Support for Advanced Features** Modern servers leverage **memory features like persistent memory (PMEM), NVMe SSD integration, and advanced power management** that are not applicable to DDR3L. This module lacks compatibility with newer memory technologies.

5. **Potential for Higher Latency in Multi-Rank Configurations** While RDIMMs improve stability, **multi-rank configurations (like 2Rx4) can introduce slight latency penalties** compared to single-rank modules in some workloads. However, this is generally negligible in server environments where stability outweighs minor latency differences.

6. **Limited Manufacturer Support for New Releases** Samsung may no longer prioritize DDR3L in their latest product lines, meaning **warranty or driver support** for this module could be less robust than for newer memory types.

7. **Physical Size and Form Factor Constraints** Some newer server motherboards have **reduced memory slot counts** or optimized layouts for DDR4/DDR5, making it harder to integrate older DDR3L modules without sacrificing other features.

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The **Samsung M393B2G70EB0-YKQ2 (2x 4GB DDR3L RDIMM ECC)** is a **high-quality, reliable memory module** suited for **legacy or low-power server deployments** where DDR3L is still supported. It excels in **stability, ECC protection, and energy efficiency**, making it ideal for:

- **Older Intel Xeon E5/E7 or AMD Opteron servers** (pre-2017).

- **Virtualization hosts** running stable, memory-intensive workloads.

- **Data centers with existing DDR3L-compatible infrastructure** where upgrading to DDR4/DDR5 is not feasible.

- **Obsolescence** (DDR3L is outdated; DDR4/DDR5 are the industry standard).

- **Limited system compatibility** (most new servers do not support DDR3L).

- **Higher cost per GB** compared to newer memory types.

If you are **not tied to a legacy system**, investing in **DDR4 or DDR5 ECC RDIMMs** would be a **more future-proof and cost-effective** choice.

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- You have a **compatible legacy server** (e.g., Dell PowerEdge R720, HP ProLiant DL360 G9, or similar) that **cannot run DDR4/DDR5**.

- You need **additional memory for an existing DDR3L-based system** and cannot replace the entire setup.

- Your workload is **not performance-sensitive** (e.g., older database servers, file servers, or low-traffic virtualization hosts).

- You are **building or upgrading a new server** (DDR4/DDR5 is the standard).

- Your budget allows for **newer, more efficient memory** (DDR4/DDR5 offers better performance per watt).

- You plan to **scale beyond 128GB memory** (DDR3L may not support the highest-capacity configurations in newer systems).

- For **modern Intel Xeon servers**, consider **DDR4 ECC RDIMMs (e.g., Samsung M393A1G40DB0-CPF, Crucial DDR4-2400 ECC)**.

- For **AMD EPYC servers**, look for **DDR4-2933 or DDR4-3200 ECC RDIMMs**.

- For **low-power or embedded servers**, evaluate **DDR4L or DDR5L options** if available.

If you confirm that your server **explicitly requires DDR3L**, then this module is a **solid, reliable choice**. Otherwise, upgrading to a newer memory standard would be the **better long-term investment**.

Details:

They feature ECC memory for error correction and are built with high-quality components from Samsung. Tested and in good working condition!, M393B2G70EB0-YKQ2, The product is a set of two Samsung 16GB 2Rx4 PC3L-12800R-11-13-E2-D4 DDR3L SDRAM RDIMM ECC server memory modules. These modules have a total capacity of 32GB and are designed for server use. With a bus speed of PC3L-12800R, these memory modules provide reliable and efficient performance for server applications in various industries.

Made in China, these modules are a dependable choice for enhancing the performance and stability of server systems.

part #: m393b2g70eb0ykq2 prices

• $18.49-$259.99

specifications servermemor:

• brand: Samsung
• mpn: M393b2g70eb0-ykq2
• model: Pc3l-12800r-11-13-e2-d4
• form factor: Rdimm
• type: Ddr3l Sdram
• unit type: Unit
• total capacity: 32 Gb
• capacity per module: 16 Gb
• bus speed: Pc3l-12800r
• country of origin: China
• memory features: Ecc Memory

general servermemor:

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

seller servermemor:

• # reviews: 2719
• city: Alpharetta, Georgia
• rating: 99.5%

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• availability: In Stock
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• quantity: 1
• started: February 6, 2026

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