SAMSUNG M386B8K40BM1-CRC4O Ecc Dimm Server Ram 64GB DDR4 PC4-2400

( Brand: Samsung ), ( Manufacturer Part Number: M386B8K40BM1-CRC4O ), ( Total Capacity: 64 Gb ), ( Item Length: 133mm ), ( Memory Features: Ecc Memory, Registered ), ( Form Factor: Dimm ), ( Type: Ddr4 Sdram ), ( Item Height: 30mm ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-2400 ), ( Item Width: 8mm )

Review SAMSUNG Ddr4 Ecc Registered Dimm Server Ram

The **Samsung M386B8K40BM1-CRC4O 64GB DDR4 PC4-2400 ECC Registered DIMM** is a high-performance, enterprise-grade memory module meticulously engineered to deliver unparalleled reliability, speed, and efficiency in demanding server environments. Part of Samsung s renowned **M386 series**, this **64GB (8x8GB) DDR4 SODIMM** is designed with cutting-edge technology to meet the rigorous demands of data centers, cloud computing, and high-performance computing (HPC) workloads. Built with **low-power, high-density architecture**, it ensures seamless operation in servers requiring robust memory solutions, such as those running virtualized environments, database management systems, or AI-driven applications.

Featuring **DDR4 technology with a PC4-2400 (2400 MT/s) data transfer rate**, this module achieves optimal performance while maintaining energy efficiency, making it an ideal choice for servers where both speed and power consumption are critical. The **ECC (Error-Correcting Code) functionality** provides an additional layer of protection against data corruption, ensuring data integrity even in fault-tolerant or mission-critical systems. This is particularly valuable in environments where uptime and accuracy are non-negotiable, such as financial transaction processing, scientific simulations, or large-scale storage solutions.

As a **Registered DIMM**, this memory module incorporates a **register chip** that buffers commands and addresses, reducing signal interference and improving stability in multi-channel server configurations. This feature is essential for servers with high memory channel counts, as it minimizes latency and prevents potential system crashes caused by signal timing issues. The **8GB x 8 configuration** allows for flexible deployment, enabling administrators to scale memory capacity incrementally while maintaining compatibility with a wide range of server platforms.

Constructed with **high-quality Samsung DRAM chips**, this module adheres to strict manufacturing standards, ensuring long-term reliability and durability. The **low-power design** not only reduces operational costs but also contributes to a more sustainable data center infrastructure. Whether deployed in **Rackmount servers, blade systems, or workstations**, this memory module delivers consistent performance under heavy workloads, making it a trusted component for IT professionals seeking a balance of speed, efficiency, and dependability.

Ideal for **enterprise-level applications**, the **Samsung M386B8K40BM1-CRC4O** is a premium choice for organizations prioritizing performance, security, and scalability. Its robust construction, advanced error correction, and optimized power consumption make it a standout solution for modern server deployments where reliability is paramount.

### **Pros and Cons of buying a Samsung M386B8K40BM1-CRC4O (64GB DDR4 PC4-2400 ECC DIMM Server RAM)**

1. **High Reliability for Servers** ECC (Error-Correcting Code) memory is designed for servers, reducing data corruption risks in critical applications like databases, virtualization, and enterprise workloads.

2. **Registered (Buffered) Design** The module is registered, meaning it includes a buffer chip to manage data transfer between the RAM and the motherboard. This reduces motherboard pin strain and improves stability in multi-socket or high-channel-count systems.

3. **DDR4-2400 Speed** While not the fastest (DDR4-3200 or higher is available), PC4-2400 (2400 MHz) is still sufficient for most server workloads, especially if paired with a CPU that doesn t require higher speeds.

4. **Compatibility with Mid-Range Servers** This RAM is widely supported in enterprise-grade servers (e.g., Dell PowerEdge, HP ProLiant, Lenovo ThinkSystem) and some high-end workstations, making it a versatile choice.

5. **Long-Term Availability** Samsung s server-grade RAM is often stocked by major distributors, reducing the risk of obsolescence compared to consumer-grade memory.

6. **Low Latency (CL15)** The CAS latency of 15 is reasonable for server workloads, balancing speed and stability.

7. **Proven Performance in Virtualization** ECC RAM is essential for virtualized environments (VMware, Hyper-V) where data integrity is critical.

8. **Wider Error Detection** ECC corrects single-bit errors and detects multi-bit errors, which is crucial for preventing silent data corruption in long-running server operations.

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1. **Higher Cost per GB** Compared to non-ECC or non-registered DDR4, this RAM is more expensive, which may not be justified for budget-friendly or low-end server setups.

2. **Not Future-Proof** DDR4-2400 is slower than newer DDR4-3200 or DDR5 options. If upgrading to a newer CPU or workload-heavy system later, you may need to replace the RAM.

3. **Limited Overclocking Potential** Server RAM is optimized for stability over performance, so it won t benefit from overclocking like consumer RAM.

4. **Compatibility Restrictions** Some newer motherboards (especially consumer-grade) may not support registered ECC RAM, requiring careful selection of a server-grade motherboard.

5. **Power Consumption** Registered ECC RAM draws slightly more power than unbuffered memory, which may be a consideration in energy-efficient server deployments.

6. **Overkill for Light Workloads** If running a small file server, web server, or low-traffic database, the extra cost of ECC may not be necessary.

7. **Potential for Overstocking** If the server doesn t fully utilize 64GB (e.g., a single-socket system with 32GB max support), the extra capacity may go unused.

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The **Samsung M386B8K40BM1-CRC4O (64GB DDR4-2400 ECC Registered)** is an excellent choice for **enterprise servers, virtualization hosts, databases, or any high-reliability workload** where data integrity is critical. Its ECC and registered design ensure stability, making it ideal for environments where downtime or data corruption cannot be tolerated.

However, if you re running a **low-to-mid workload server, a home lab with minimal virtualization, or a budget-constrained setup**, the cost may not justify the benefits. In such cases, a **non-ECC or lower-capacity module** could be a more economical alternative.

- You re building or upgrading a **server for virtualization, databases, or critical enterprise applications**.

- Your motherboard supports **registered ECC DDR4-2400** (check compatibility with your CPU and chipset).

- You need **long-term reliability** and can justify the higher cost.

- You re running a **lightweight server** (e.g., NAS, small web server) where ECC is unnecessary.

- You want **higher performance** (e.g., DDR4-3200 or DDR5) for CPU-bound workloads.

- You re on a **tight budget** and can use non-ECC or lower-capacity RAM.

For most **professional server deployments**, this is a **solid, high-quality choice** that balances performance, reliability, and compatibility.

Details:

Used Samsung 64GB DDR4 PC4-2400 ECC Registered DIMM Server RAM M386B8K40BM1-CRC4O.

part #: m386b8k40bm1crc4o prices

• $199.95-$750.00

specifications servermemor:

• brand: Samsung
• mpn: M386b8k40bm1-crc4o
• total capacity: 64 Gb
• item length: 133mm
• memory features: Ecc Memory, Registered
• form factor: Dimm
• type: Ddr4 Sdram
• item height: 30mm
• number of pins: 288
• bus speed: Pc4-2400
• item width: 8mm

general servermemor:

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

returns servermemor:

• policy: No Returns

seller servermemor:

• city: Springfield, Missouri
• rating: 100.0%
• # reviews: 121

offer servermemor:

• availability: In Stock
• best offers: True
• sold: 0
• quantity: 2
• started: April 21, 2026
• options: Ship-to-home

payments servermemor:

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

shipping servermemor:

• transit: 4-10 Days
• carrier: USPS
• class: Standard
• cost: $5.45
• type: Calculated
• service: USPS Ground Advantage

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