SAMSUNG M386B4G40BM1-CPB00 Ram 64GB M386A8K40BM1-CPB4Q PC4-2133MHZ

( Brand: Samsung ), ( Manufacturer Part Number: M386B4G40BM1-CPB00 ), ( Form Factor: Lrdimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 64 Mb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc3-12800 ), ( Memory Features: Ecc Memory )

Review SAMSUNG Pc4-2133mhz Ram

The **Samsung M386B4G40BM1-CPB00** and **M386A8K40BM1-CPB4Q** are high-performance, low-latency DDR4 memory modules designed to elevate the speed and responsiveness of modern gaming PCs, workstations, and high-end computing systems. These **64GB (4x16GB) kits** of **PC4-2133MHz (DDR4-2666)** RAM feature Samsung s proprietary **M386** series architecture, engineered to deliver exceptional reliability, efficiency, and performance in demanding applications. Built with **8GB (1x8GB) DIMMs** in a **288-pin SODIMM (SO-DIMM) form factor**, these modules are optimized for laptops, mini-ITX builds, and compact systems where space is at a premium, yet power and speed are critical. The **low-power, high-density design** ensures minimal heat generation, making them ideal for systems with limited cooling solutions, while the **ECC (Error-Correcting Code) variant (M386A8K40BM1-CPB4Q)** adds an extra layer of data integrity, reducing the risk of corruption in mission-critical tasks like video editing, 3D rendering, or server operations.

Under the hood, these modules leverage **Samsung s advanced 16nm process technology**, delivering **2666MHz (DDR4-2666) clock speeds** with **PC4-2133MHz (21.33 GT/s) bandwidth**, ensuring seamless multitasking, faster load times, and smoother performance in resource-intensive applications. The **low-voltage (1.2V) operation** enhances energy efficiency, extending battery life in mobile systems while maintaining peak performance. Whether deployed in a **high-end gaming rig, a professional workstation, or a compact server**, these RAM modules provide a robust foundation for handling the most demanding workloads with stability and precision. The **CL16 (CAS Latency) timing** strikes a balance between speed and efficiency, ensuring that data transfers occur with minimal delay, which is particularly beneficial for latency-sensitive tasks like competitive gaming or real-time rendering. Additionally, Samsung s **reputable quality control** ensures long-term reliability, making these modules a trusted choice for builders seeking both performance and durability in their systems.

**Pros and Cons of Buying Samsung M386B4G40BM1-CPB00 (64GB, DDR4 PC4-2133MHz) RAM**

1. **High Capacity (64GB)** Ideal for demanding tasks such as gaming, video editing, 3D rendering, virtualization, or running multiple applications simultaneously. This capacity ensures smooth multitasking and prevents performance bottlenecks in high-end systems.

2. **Reliable Brand (Samsung)** Samsung is a well-established manufacturer with a strong reputation for quality and durability in memory modules. Their RAM is widely trusted for stability and compatibility with most motherboards.

3. **Low Latency (CL15)** The CAS latency (CL15) is relatively low for DDR4-2133MHz, which means faster data access compared to higher-latency modules. This can improve system responsiveness in memory-intensive workloads.

4. **Compatibility with DDR4-2133MHz Slots** This RAM is designed for systems that support DDR4-2133MHz, which is common in mid-range to high-end motherboards. It is backward-compatible with DDR4-2400MHz slots (though it will run at 2133MHz).

5. **Non-ECC (Standard for Consumer Use)** Since this is non-ECC RAM, it is suitable for general consumers, gamers, and creative professionals who do not require error correction. ECC RAM is typically used in servers or workstations where data integrity is critical.

6. **Affordable for High Capacity** Compared to other 64GB DDR4 kits, this module offers good value, especially if you are upgrading from lower-capacity RAM or building a high-performance system on a budget.

7. **Unbuffered (UDIMM) Design** Being unbuffered, it is compatible with most consumer motherboards without requiring special configurations or additional support chips.

8. **Long-Term Availability** Samsung s RAM modules tend to have a longer lifespan in the market compared to newer, less established brands, reducing the risk of obsolescence.

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1. **Lower Speed (DDR4-2133MHz)** While DDR4-2133MHz is sufficient for many applications, it is not the fastest option available. Modern CPUs (especially Intel s 12th/13th Gen and AMD s Ryzen 5000/6000 series) are optimized for higher speeds like DDR4-3200MHz or DDR5. Running at a lower speed may limit performance in CPU-bound tasks or future-proofing.

2. **No XMP/DOCP Support (Likely)** Most Samsung consumer RAM modules do not support XMP (Extreme Memory Profile) or AMD s DOCP (Dram OverClocking Profile), meaning you cannot easily overclock the RAM beyond its default speed. This limits flexibility for users who want to push performance further.

3. **Single Rank (Single-Channel Configuration)** This module is likely a single-rank (single-channel) configuration, which means it will only utilize one memory channel. For optimal performance, dual-channel (two identical sticks) is recommended, especially in systems with multiple CPU cores. Pairing this with another identical stick would be ideal.

4. **No RGB or Aesthetic Features** Unlike some gaming-focused RAM kits, this module lacks RGB lighting or aesthetic customization, which may be a downside for users who prioritize visual appeal.

5. **Potential for Bottlenecks in High-End Systems** If paired with a high-end CPU (e.g., Intel i9 or AMD Ryzen 9), the RAM speed may become a bottleneck, especially in memory-intensive tasks like video editing or 3D rendering. Upgrading to faster RAM (e.g., DDR4-3600MHz) could yield better performance.

6. **Limited Future Upgrade Path** DDR4-2133MHz is not the latest standard, and future CPUs may support faster memory (e.g., DDR5). While this RAM will work in DDR4 systems for years, upgrading to DDR5 in the future may require replacing the RAM entirely.

7. **No Error Correction (Non-ECC)** While non-ECC is standard for consumers, it means the system cannot detect or correct memory errors. For users running critical applications (e.g., databases, financial software), ECC RAM would be a safer choice.

8. **Heat Dissipation** DDR4 RAM modules can generate heat, especially when running at higher speeds or in high-ambient-temperature environments. While this module is not extremely power-hungry, proper airflow in the case is still important.

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The **Samsung M386B4G40BM1-CPB00 (64GB, DDR4-2133MHz)** is a solid choice for users who prioritize **high capacity and reliability** without needing the latest speed. It excels in scenarios where **memory bandwidth is critical**, such as gaming, content creation, or running multiple virtual machines. However, it may not be the best option for **high-end CPUs or future-proofing**, as its speed is on the lower end for DDR4.

If your system already supports **dual-channel memory**, pairing this with an identical stick would significantly improve performance. Additionally, if you plan to upgrade your CPU or motherboard in the near future, consider whether DDR4-2133MHz will still meet your needs or if faster RAM (e.g., DDR4-3200MHz or DDR5) would be a better long-term investment.

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- You need **64GB of memory** for heavy multitasking, gaming, or content creation.

- Your system is **not CPU-bound**, and you want to avoid bottlenecks in memory-intensive tasks.

- You prefer **reliable, low-latency Samsung RAM** over newer, less tested brands.

- Your motherboard supports **dual-channel**, and you plan to pair it with an identical stick.

- You are on a **budget** and want good value for high-capacity RAM.

- You have a **high-end CPU (e.g., Intel i9-13900K, AMD Ryzen 9 7950X)** and want **faster RAM (DDR4-3600MHz or DDR5)** for better performance.

- You need **ECC support** for data integrity (e.g., servers, workstations).

- You want **XMP/DOCP support** to overclock the RAM for additional performance.

- You plan to **upgrade your CPU or motherboard soon** and want to future-proof your system.

- If your motherboard supports it, consider **DDR4-3200MHz or DDR4-3600MHz RAM** for better performance with modern CPUs.

- If you are building a new system, evaluate whether **DDR5 RAM** is worth the investment, especially if your CPU supports it (e.g., Intel 12th Gen and later, AMD Ryzen 7000 series).

- Ensure your motherboard has **dual-channel slots** and pair RAM sticks of the **same model and capacity** for optimal performance.

In summary, this RAM is a **great budget-friendly option for high-capacity needs**, but if you want the best possible performance, especially with newer CPUs, investing in faster RAM may be worthwhile.

Details:

Featuring ECC memory and registration, this DIMM module offers error correction faster data access speeds, making it a valuable addition to any server setup. With a total capacity of 32GB spread across 8 modules, each with 4GB, this DDR3 SDRAM memory is ideal for improving server performance and reliability. Built by the trusted brand Samsung, this RAM ensures stability and efficiency in demanding server environments. The Samsung M386A8K40BM1-CPB4Q PC4-2133MHZ RAM 64GB is a high-quality server memory module designed for enterprise networking and applications.

part #: m386b4g40bm1cpb00 prices

• $213.99-$300.00

specifications servermemor:

• brand: Samsung
• mpn: M386b4g40bm1-cpb00
• form factor: Lrdimm
• type: Ddr4 Sdram
• total capacity: 64 Mb
• number of pins: 288
• bus speed: Pc3-12800
• memory features: Ecc Memory

general servermemor:

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

seller servermemor:

• rating: 0.0%
• # reviews: 0
• city: Bakersfield, California

payments servermemor:

• wallet: Google-pay
• money order
• other
• credit card: Discover

offer servermemor:

• sold: 0
• started: March 28, 2026
• availability: In Stock
• options: Ship-to-home

returns servermemor:

• policy: No Returns

shipping servermemor:

• service: FedEx Ground Economy
• class: Economy
• cost: $0.00
• type: Calculated
• carrier: FedEx
• transit: 5-11 Days

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