SAMSUNG M393A2K43BB1-CRC0Y Ecc Total 64GB 4X PC4 2400T 2RX8-RE1-11-DC0

( Brand: Samsung ), ( Manufacturer Part Number: M393A2K43BB1-CRC0Y ), ( Form Factor: Rdimm ), ( Type: Server Memory ), ( Total Capacity: 16 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-19200 ), ( Memory Features: Ecc Memory, Registered )

Review SAMSUNG 4x 16gb Pc4 Ecc 2400t Total

The **Samsung M393A2K43BB1-CRC0Y** is a high-performance, enterprise-grade DDR4 memory module designed for demanding computing environments where reliability, speed, and efficiency are paramount. This **64GB (4x8GB) RDIMM (Registered DIMM) kit** operates at a robust **2400MHz (PC4-19200) data transfer rate**, delivering exceptional throughput for data-intensive workloads such as server virtualization, high-performance computing (HPC), and large-scale database management. Built with **ECC (Error-Correcting Code) technology**, this module ensures data integrity by automatically detecting and correcting single-bit errors, which is critical for maintaining stability in mission-critical applications where even minor corruption could lead to catastrophic failures. The **2Rx8 architecture** (dual-rank, eight-bank configuration) optimizes memory bandwidth and latency, allowing for smoother multitasking and improved performance in multi-core processors. With a **1.2V voltage rating**, it strikes a balance between power efficiency and performance, reducing heat generation while still delivering peak performance. The **RE1-11-DC0** designation indicates its compatibility with a wide range of enterprise servers, ensuring seamless integration with modern x86 architectures. Whether deployed in a cloud data center, a financial trading system, or a scientific simulation cluster, this Samsung memory module provides the speed, durability, and precision required to handle the most complex computational challenges with confidence.

The **Samsung M393A2K43BB1-CRC0Y** is a **4x8GB (64GB total) DDR4-2400 ECC RDIMM** module, commonly used in enterprise and high-performance workstations. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **ECC Memory Support**

- Error-Correcting Code (ECC) memory helps detect and correct single-bit errors, which is critical for data integrity in servers, workstations, and applications running critical workloads (e.g., databases, virtualization, scientific computing). This reduces the risk of silent data corruption, which can be catastrophic in production environments.

2. **High Reliability for Enterprise Use**

- The module is designed for **enterprise-grade servers and workstations**, where uptime and stability are paramount. It is built to withstand prolonged use under heavy loads, making it suitable for **24/7 operations** in data centers or mission-critical systems.

3. **Registered (RDIMM) Design**

- RDIMMs use a **register** to buffer data between the memory controller and the DIMMs, reducing load on the memory bus. This improves stability in systems with **high core counts or wide memory channels**, such as Xeon or EPYC-based servers. It also helps mitigate issues like **tight timing requirements** in multi-socket systems.

4. **Dual-Rank (2Rx8) Configuration**

- The **dual-rank** design allows for **better bandwidth utilization** compared to single-rank modules, as it can provide **two banks of memory** that can be accessed in parallel. This can improve performance in latency-sensitive applications, though the impact varies by workload.

5. **Compatibility with High-End Platforms**

- This module is designed to work with **Intel Xeon, AMD EPYC, and other enterprise-grade CPUs** that support DDR4-2400 ECC RDIMMs. It is often used in **workstations, HPC (High-Performance Computing), and virtualization environments**.

6. **Standardized Form Factor**

- The **288-pin DIMM** form factor ensures broad compatibility with most enterprise motherboards and server chassis, reducing the risk of incompatibility issues.

7. **Long-Term Availability**

- Samsung is a reputable manufacturer, and this module is part of their **enterprise-grade memory lineup**, which tends to have **longer lifespans** compared to consumer-grade memory. This makes it a reliable choice for systems that may need upgrades later.

8. **Supports Tight Timings (CL11)**

- The **CAS latency of 11 (CL11)** is relatively tight for DDR4-2400, which can help in **latency-sensitive applications** (e.g., real-time processing, some gaming workloads, or low-latency trading systems). However, the actual performance gain depends on the CPU and workload.

9. **Unbuffered Alternative Availability**

- While this is an RDIMM, Samsung also produces **LRDIMMs and UDIMMs** (unbuffered) with similar part numbers, allowing for flexibility in system design if needed.

10. **Energy Efficiency (Low Power Consumption)**

- DDR4-2400 is more power-efficient than higher-speed DDR4 modules (e.g., DDR4-3200), which can be beneficial for **power-sensitive environments** like data centers.

---

### **Cons**

1. **Not Ideal for Consumer or Gaming PCs**

- This is an **enterprise-grade RDIMM**, meaning it is **not compatible with most consumer motherboards** (e.g., Intel Z-series, AMD B/X-series). It requires a **server/workstation motherboard with ECC and RDIMM support**, such as those based on **Intel Xeon, AMD EPYC, or some high-end workstation chips (e.g., Intel Xeon W, AMD Threadripper Pro)**.

- Attempting to use it in a consumer system will likely result in **no recognition or system instability**.

2. **Limited Speed for Modern Workloads**

- **DDR4-2400 is relatively slow** compared to modern memory standards (e.g., DDR4-3200, DDR5-4800). While it may suffice for **legacy systems or non-gaming workloads**, it can become a **bottleneck** in newer CPUs with higher memory bandwidth requirements (e.g., AMD Ryzen Threadripper 5000/7000, Intel Xeon Scalable 4th Gen).

- For **gaming or general productivity**, faster memory (e.g., DDR4-3600 ) would be more beneficial.

3. **Higher Cost per GB**

- Enterprise-grade ECC RDIMMs are **more expensive per gigabyte** than consumer memory. For **64GB (4x8GB)**, the cost is justified for professional use but may be **overkill for personal or budget-oriented systems**.

- If you don t need ECC, **non-ECC RDIMMs or UDIMMs** would be cheaper alternatives.

4. **Limited Upgrade Path**

- Many enterprise systems **lock memory slots** to specific speeds or types, meaning you may not be able to **mix and match** with faster or different modules later. Always check your motherboard s documentation.

- Some servers require **matched sets** (e.g., 4x8GB or 4x16GB), so adding mismatched modules may cause issues.

5. **Power and Heat Considerations**

- While DDR4-2400 is power-efficient, **high-capacity ECC RDIMMs in multi-socket servers** can still generate **significant heat**, requiring proper cooling solutions.

- In workstations, excessive memory can **increase power draw**, which may necessitate a **higher-wattage PSU**.

6. **Potential Latency in Some Workloads**

- While the **CL11 timing is decent**, some **CPU-bound or latency-sensitive applications** (e.g., certain game engines, real-time rendering) may benefit more from **lower-latency, higher-speed memory** (e.g., DDR4-3200 CL16 or DDR5).

- The **registered design adds a small latency overhead** compared to UDIMMs, though this is usually negligible in most enterprise workloads.

7. **Limited Availability in Retail**

- This is a **server/workstation-grade module**, so it may not be widely available in standard retail stores. You ll likely need to purchase from **specialized vendors, OEMs, or online enterprise memory suppliers** (e.g., Crucial, Kingston, Amazon Enterprise, or direct from Samsung s partners).

8. **No Overclocking Support**

- Like all enterprise memory, this module **does not support overclocking**. If you need **higher speeds**, you d have to use non-ECC modules (e.g., DDR4-3600 UDIMMs), which may not be suitable for your use case.

9. **Potential Compatibility Issues with Newer CPUs**

- While this module supports **DDR4-2400**, newer CPUs (e.g., Intel 12th Gen , AMD Ryzen 7000) may **prefer or require higher memory speeds** for optimal performance. If upgrading to a newer platform, you may need to **replace the entire memory kit**.

10. **No RGB or Aesthetic Features**

- As an enterprise module, it lacks **RGB lighting, heat spreaders, or aesthetic customization**, which may be a minor downside for users who prioritize visuals in their builds.

---

### **Conclusion**

The **Samsung M393A2K43BB1-CRC0Y (4x8GB DDR4-2400 ECC RDIMM)** is an **excellent choice for enterprise, server, or high-reliability workstation environments** where **data integrity, stability, and long-term performance** are critical. Its **ECC protection, registered design, and dual-rank configuration** make it well-suited for **databases, virtualization, HPC, and mission-critical applications**.

However, it is **not ideal for consumer PCs, gaming, or general-purpose use** due to its **high cost, lack of consumer compatibility, and relatively slow speed**. If you re building a **server, workstation for professional workloads, or a system requiring ECC memory**, this module is a **solid, reliable investment**. For other use cases, **non-ECC, higher-speed memory** would be more appropriate.

---

### **Recommendation**

- You are building a **server, workstation, or HPC system** that requires **ECC memory**.

- Your motherboard supports **DDR4-2400 ECC RDIMMs** (e.g., Intel Xeon, AMD EPYC, or high-end workstation platforms).

- You need **reliable, long-term memory** for **databases, virtualization, or scientific computing**.

- You are working in an **enterprise or professional environment** where uptime and data integrity are non-negotiable.

- You are building a **consumer PC, gaming rig, or general-purpose workstation**.

- Your motherboard **does not

Details:

Only pictured items are included.: tested memory pulled from a working environment. May Contain Blemishes/Scuffs/Dust from normal wear and tear. These modules are designed with a RDIMM form factor and total of 288 pins. This listing is for a lot of 4 - 16GB PC4 Memory modules.

Lot of 4 - 16GB memory sticks 64GB total. They are specifically designed for server use and feature ECC memory registration enhanced performance reliability. 4x 16GB SAMSUNG PC4 ECC 2400T 2Rx8-RE1-11-DC0 64GB Total M393A2K43BB1-CRC0Y: -TESTED: Details: The product is a set of four Samsung server memory modules, totaling. Good Condition - TESTED Memory pulled from a working environment.

part #: m393a2k43bb1crc0y prices

• $180.65-$340.00

specifications servermemor:

• brand: Samsung
• mpn: M393a2k43bb1-crc0y
• form factor: Rdimm
• type: Server Memory
• total capacity: 16 Gb
• number of pins: 288
• bus speed: Pc4-19200
• memory features: Ecc Memory, Registered

payments servermemor:

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

returns servermemor:

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

general servermemor:

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

shipping servermemor:

• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• type: Fixed
• cost: $10.00
• transit: 2-6 Days

offer servermemor:

• best offers: True
• started: February 3, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 4

seller servermemor:

• rating: 99.6%
• # reviews: 33198
• city: Rochester, New York

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