SAMSUNG M393A4KOBB1-CRC4Q Server Memory 32GB 2RX4 PC4 2400T

( Brand: Samsung ), ( Manufacturer Part Number: M393A4KOBB1-CRC4Q ), ( Type: Ddr4 Sdram ), ( Total Capacity: 32 Gb ), ( Bus Speed: Pc4-19200 )

Review SAMSUNG 2rx4 Pc4 2400t Server Memory

The **Samsung M393A4K0BB1-CRC4Q 32GB (2x16GB) DDR4 SDRAM ECC Registered Memory Kit** is a high-performance, enterprise-grade memory module meticulously engineered to deliver unparalleled reliability, speed, and efficiency for demanding server workloads. Part of Samsung s renowned **M393 series**, this **2400MHz PC4-19200T** memory kit is designed with **low-power, high-density architecture**, making it an ideal choice for data centers, virtualization environments, and mission-critical applications where stability and performance are paramount. Each module features **240-pin DIMM form factor** with **Registered (Buffered) operation**, ensuring seamless communication between the memory controller and the server s front-side bus while mitigating signal integrity issues in high-channel-count systems. The **ECC (Error-Correcting Code) technology** embedded within the module actively detects and corrects single-bit errors, safeguarding data integrity in critical operations such as database management, financial transactions, and high-frequency trading where even the slightest corruption could lead to catastrophic failures.

Constructed with **Samsung s advanced 16nm process technology**, this memory module achieves an optimal balance between speed and power efficiency, operating at a **1.2V voltage rating** to minimize heat generation while maintaining peak performance. The **2400MHz clock speed** (PC4-19200T) ensures rapid data transfer rates, reducing latency in memory-intensive tasks such as large-scale virtualization, AI/ML workloads, and high-performance computing (HPC) simulations. With a **2Rx4 configuration (two 16GB DIMMs per kit)**, this kit maximizes memory capacity while adhering to standard server motherboard layouts, providing flexibility for both single-socket and multi-socket server setups. The **CR (CAS Latency) of 15** strikes a balance between speed and efficiency, allowing for smooth operation in environments where both throughput and responsiveness are critical.

Built to meet **JEDEC standards**, this memory module is fully compatible with a wide range of **Intel Xeon and AMD EPYC-based servers**, including enterprise-grade platforms from manufacturers like Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and Supermicro. The **Registered (Buffered) design** ensures compatibility with high-channel-count motherboards, reducing the risk of signal degradation in systems with numerous memory slots. Additionally, Samsung s rigorous **quality assurance processes** including extensive burn-in testing and reliability validation guarantee long-term operational stability, making this memory an excellent investment for organizations prioritizing uptime and durability. Whether deployed in a **cloud infrastructure, enterprise data warehouse, or high-availability cluster**, the **M393A4K0BB1-CRC4Q** delivers the speed, endurance, and error resilience required to handle the most demanding computational challenges with confidence.

The **Samsung M393A4K0BB1-CRC4Q** is a 32GB (2x16GB) DDR4 server memory module with a PC4-2400T (1200MT/s) speed, ECC, and registered (RDIMM) configuration. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **ECC and Registered (RDIMM) Design**

- The module includes **Error-Correcting Code (ECC)**, which helps detect and correct single-bit errors, improving data integrity critical for servers, databases, and workloads where reliability is paramount.

- It is a **Registered DIMM (RDIMM)**, which reduces the load on the memory controller by buffering commands, allowing for higher memory capacity in multi-socket servers without exceeding the controller s bandwidth limits.

2. **High Capacity (32GB, 2x16GB)**

- The dual-rank configuration (2Rx4) provides a balance between speed and capacity, making it suitable for mid-range server workloads like virtualization, web hosting, or small-scale databases.

- The 32GB capacity is sufficient for many enterprise applications, though it may be limiting for memory-intensive tasks like large-scale virtualization or high-performance computing (HPC) workloads.

3. **Compatibility with Server Platforms**

- RDIMMs are widely supported in **Dell PowerEdge, HP ProLiant, Lenovo ThinkServer, and other enterprise-grade servers**, making it a versatile choice for data centers.

- The module is designed for **2400MT/s (PC4-2400T) speeds**, which is a common standard in older and some newer server platforms, ensuring broad compatibility.

4. **Reliability and Durability**

- Samsung is a reputable manufacturer with a strong track record in memory production, offering modules with robust quality control and testing.

- The module is likely to have **low failure rates** compared to consumer-grade memory, thanks to its enterprise-grade components.

5. **Cost-Effective for Server Use**

- While not as fast as newer DDR4-3200 or DDR5 modules, it offers a **good balance of performance and price**, making it a cost-effective choice for budget-conscious server deployments.

- The 2400MT/s speed is still adequate for many server workloads, including general-purpose virtualization, file serving, and light database operations.

---

### **Cons**

1. **Lower Speed (2400MT/s)**

- At **1200MT/s (PC4-2400)**, this module is **not the fastest option** available. Newer server platforms support DDR4-3200 (PC4-25600) or DDR5, which can offer **significantly better performance** in latency-sensitive applications (e.g., high-frequency trading, real-time analytics).

- If the server supports higher speeds, upgrading to a faster module (e.g., 3200MT/s) could improve throughput, especially in CPU-bound or memory-intensive tasks.

2. **Limited Future-Proofing**

- DDR4-2400 is an older standard, and while it remains relevant in many enterprise environments, it may become outdated as newer servers adopt **DDR4-3200 or DDR5**.

- If the server is expected to run for **5 years**, investing in a faster module (if compatible) could delay the need for upgrades.

3. **Single-Rank vs. Dual-Rank Tradeoff**

- The module is **dual-rank (2Rx4)**, which improves capacity but can slightly increase latency compared to single-rank modules. However, for most server workloads, the difference is negligible.

- If the server has **multiple memory slots**, filling them with faster, single-rank modules (if available) could yield better performance in some cases.

4. **Potential for Higher Latency in Some Workloads**

- Registered DIMMs introduce a small **command latency** due to the register buffer, which can affect **low-latency applications** (e.g., some database queries or real-time systems).

- However, for most server workloads (e.g., virtualization, web hosting), the impact is minimal.

5. **Not Ideal for High-Performance Computing (HPC)**

- If the server is used for **HPC, machine learning, or scientific computing**, a faster module (e.g., DDR4-3200 or DDR5) would be more beneficial due to reduced memory latency and higher bandwidth.

---

### **Conclusion**

The **Samsung M393A4K0BB1-CRC4Q (32GB, DDR4-2400T, RDIMM, ECC)** is a **solid, reliable choice for mid-range server workloads** where cost, compatibility, and data integrity are priorities. It excels in environments where **ECC protection is non-negotiable** (e.g., databases, virtualization, file servers) and where the server platform is limited to DDR4-2400.

However, if the server **supports faster speeds (DDR4-3200 or DDR5)** and the workload is **memory-intensive or latency-sensitive**, upgrading to a higher-speed module would be more future-proof and performance-oriented. The 2400MT/s speed is adequate for many enterprise applications but may not be optimal for cutting-edge or high-performance use cases.

---

### **Recommendation**

- You need **ECC-protected, registered memory** for a server running **DDR4-2400-compatible platforms** (e.g., older Dell PowerEdge, HP ProLiant, or Lenovo ThinkServer models).

- Your workload is **general-purpose** (virtualization, web hosting, file serving, light databases) and does not require extreme memory speeds.

- You prioritize **reliability and cost-effectiveness** over raw performance.

- The server s **memory controller is already bottlenecked by slower speeds**, and upgrading to DDR4-3200 is not feasible.

- The server **supports DDR4-3200 or DDR5** and you want **better performance** for memory-heavy workloads (e.g., large-scale virtualization, HPC, or real-time analytics).

- You are running **latency-sensitive applications** (e.g., high-frequency trading, certain database operations) where every cycle counts.

- You plan to **keep the server for 5 years** and want to avoid an upgrade sooner than necessary.

- Budget allows for a **faster module** (e.g., Samsung M393A4K40DB0-CTD, which is DDR4-3200) without sacrificing compatibility.

- If the server supports it, **upgrade to DDR4-3200 (PC4-25600) RDIMMs** (e.g., Samsung M393A4K40DB0-CTD) for **better throughput and lower latency** without changing the DIMM type (still ECC/RDIMM).

- If moving to **DDR5** is an option in the future, consider planning for an upgrade then, as DDR5 offers **higher speeds (4800MT/s ) and better power efficiency**.

---

### **Final Verdict**

The **Samsung M393A4K0BB1-CRC4Q is a perfectly adequate choice** for most server deployments where DDR4-2400 is the standard. It strikes a balance between **cost, reliability, and performance** for typical enterprise use cases. However, if performance is a critical factor and the server supports faster memory, investing in a higher-speed module would be the better long-term decision. Always verify **server compatibility** before purchasing, as some platforms may require specific module configurations.

Details:

Samsung 32GB 2rx4 Pc4 2400T Server Memory. USPS Ground Advantage.

part #: m393a4kobb1crc4q prices

• $195.99-$199.99

specifications servermemor:

• brand: Samsung
• mpn: M393a4kobb1-crc4q
• type: Ddr4 Sdram
• total capacity: 32 Gb
• bus speed: Pc4-19200

general servermemor:

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

shipping servermemor:

• carrier: USPS
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• cost: $0.00
• transit: 4-10 Days
• class: Standard
• type: Calculated

offer servermemor:

• options: Ship-to-home
• started: March 23, 2026
• availability: In Stock
• sold: 0
• best offers: True
• quantity: 7

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seller servermemor:

• # reviews: 370
• rating: 93.8%
• city: Hayward, California

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