SAMSUNG M386A4G40DM0-CPB20 Ecc Dimm Server Ram 32GB Hp/samsung DDR4 2133P 288-PIN

( Brand: Samsung ), ( Manufacturer Part Number: M386A4G40DM0-CPB20 ), ( Form Factor: Dimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 32 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-2400t ), ( Memory Features: Ecc Memory, Registered )

Review SAMSUNG Hp/samsung Ddr4 Ecc Registered Dimm 288-pin Server Ram

The **Samsung M386A4G40DM0-CPB20** is a high-performance, enterprise-grade **32GB DDR4 SODIMM memory module** designed specifically for demanding server, workstation, and high-end computing applications. Engineered with precision and reliability in mind, this **2133MHz ECC Registered DIMM** delivers exceptional speed, stability, and data integrity, making it an ideal choice for mission-critical environments where uptime, efficiency, and error correction are paramount. Built using **Samsung s advanced 8GB (4GB x2) GDDR5 DRAM chips**, this module ensures low power consumption while maintaining peak performance, adhering to strict industry standards for server-grade memory. The **288-pin SODIMM form factor** ensures seamless compatibility with a wide range of **HP ProLiant, Synergy, and other enterprise-class servers**, including models equipped with Intel Xeon or AMD EPYC processors. With **ECC (Error-Correcting Code) technology**, this memory module actively detects and corrects single-bit errors, significantly reducing the risk of data corruption and system crashes critical for databases, virtualization, and high-transaction workloads. The **Registered (Buffered) design** further enhances stability by managing signal integrity across multiple memory channels, preventing timing issues in high-channel-count systems. Whether deployed in a **cloud infrastructure, high-performance computing cluster, or a critical business server**, this module ensures consistent, reliable performance under sustained workloads. Built to meet **JEDEC standards** and optimized for **HP s server ecosystem**, the **M386A4G40DM0-CPB20** represents a robust investment in system durability, scalability, and long-term operational efficiency.

### **Pros and Cons of buying a Samsung M386A4G40DM0-CPB20 (HP/Samsung 32GB DDR4 2133MHz ECC Registered DIMM)**

1. **High Capacity and Performance** This is a **32GB DDR4 module**, which provides substantial memory for server workloads, improving multitasking, database operations, and virtualization performance. The **2133MHz speed** ensures efficient data transfer compared to slower RAM.

2. **ECC (Error-Correcting Code) Memory** ECC RAM is designed for **data integrity**, which is critical in servers where memory errors can lead to crashes, corruption, or data loss. This makes it ideal for **enterprise, database, and mission-critical applications**.

3. **Registered (Buffered) DIMM** Registered RAM helps **reduce bus contention** on the memory controller, improving stability in multi-socket servers. It is a **standard requirement for most enterprise-grade servers**, ensuring compatibility with high-end systems.

4. **Reliability and Durability** Samsung is a **well-known manufacturer** with a strong reputation for producing **high-quality server-grade memory**. The module is built to withstand **extended operational hours** without degradation.

5. **Compatibility with HP Servers** This module is **HP-certified**, meaning it is **fully compatible** with a wide range of **HP ProLiant, BladeSystem, and other enterprise servers**, reducing the risk of compatibility issues.

6. **Low Latency (CL15)** The **CAS latency of 15** ensures **faster response times** compared to higher latency modules, which can be beneficial for certain workloads.

7. **Long-Term Availability** Being a **commonly used part**, this RAM is **easily replaceable** and should remain available for years, reducing the risk of obsolescence.

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1. **Higher Cost Compared to Consumer RAM** Server-grade ECC RAM is **more expensive** than standard DDR4 memory. The price per GB is significantly higher, which may be a drawback for budget-conscious buyers.

2. **Limited Use in Non-Server Systems** This module is **not compatible with consumer-grade motherboards** (e.g., gaming, desktop, or budget workstations). It **only works in servers or workstations with ECC support**.

3. **Fixed Speed (2133MHz)** While 2133MHz is **fast enough for most server workloads**, newer servers may support **higher speeds (e.g., 2666MHz, 3200MHz, or DDR5)**. If upgrading later, you may need to **replace the entire memory kit** for maximum performance.

4. **Single-Rank Configuration** This is a **single-rank (x1) module**, which means it has **lower bandwidth** compared to dual-rank (x2) or quad-rank (x4) configurations. While sufficient for many applications, **high-end servers** (e.g., those with heavy virtualization or large databases) may benefit from **multi-rank DIMMs**.

5. **Potential for Overkill in Small Workloads** If you are running **lightweight applications** (e.g., a small business server with minimal users), **16GB or 32GB may be more than needed**, leading to **unnecessary cost**.

6. **No RDIMM/LRDIMM Flexibility** This is a **standard RDIMM (Registered DIMM)**, which is great for most servers. However, if you need **LRDIMMs (Load-Reduced DIMMs)** for **ultra-high-end servers**, this module will not work.

7. **Warranty and Support Dependence on HP/Samsung** Since this is a **server-grade part**, warranty and support are tied to **HP s or Samsung s enterprise policies**, which may differ from consumer warranties.

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### **Conclusion and Recommendation**

#### **Who Should Buy This RAM?**

- **Enterprise IT administrators** managing **HP ProLiant servers** (e.g., DL380, BL460, ML350).

- **Database administrators** running **SQL Server, Oracle, or PostgreSQL** where **data integrity is critical**.

- **Virtualization hosts** (VMware, Hyper-V) requiring **high memory capacity and stability**.

- **Businesses with mission-critical applications** (ERP, financial systems, medical imaging) where **memory errors cannot be tolerated**.

#### **Who Should Avoid This RAM?**

- **Gamers or desktop users** This is **not for consumer PCs**; standard DDR4 (non-ECC) is sufficient.

- **Budget-conscious buyers** If you don t need **ECC or server-grade reliability**, cheaper non-ECC RAM will suffice.

- **Users planning to upgrade to DDR5 soon** If you expect a **server refresh in the next 2-3 years**, consider waiting for **DDR5 ECC modules** if budget allows.

- **Small-scale or low-traffic servers** If your workload doesn t require **32GB**, **16GB or 64GB** may be more cost-effective.

If you **require a reliable, high-capacity memory solution for an HP server** and **need ECC for data protection**, the **Samsung M386A4G40DM0-CPB20 (32GB DDR4-2133MHz ECC RDIMM)** is an **excellent choice**. It offers **proven performance, stability, and compatibility** with enterprise systems.

However, if you are **not running a server workload**, consider **non-ECC DDR4 RAM** for better cost efficiency. Additionally, if you anticipate **future upgrades**, evaluate whether **higher-speed or DDR5 RAM** will be necessary before making a purchase.

For most **enterprise environments**, this module is a **safe, high-quality investment** that will provide **long-term reliability**.

Details:

All sticks are tested good. Pulled from HPE server with no issues.

part #: m386a4g40dm0cpb20 prices

• $99.98-$229.00

specifications servermemor:

• brand: Samsung
• mpn: M386a4g40dm0-cpb20
• form factor: Dimm
• type: Ddr4 Sdram
• total capacity: 32 Gb
• number of pins: 288
• bus speed: Pc4-2400t
• memory features: Ecc Memory, Registered

shipping servermemor:

• cost: $10.64
• transit: 3-9 Days
• type: Calculated
• class: Expedited
• service: USPS Priority Mail
• carrier: USPS

general servermemor:

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

offer servermemor:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 6
• started: February 9, 2026

returns servermemor:

• policy: No Returns

seller servermemor:

• city: Wenatchee, Washington
• # reviews: 88
• rating: 100.0%

payments servermemor:

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

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