1. Server Memory (ram) Components For Sale
  2. sku: 12523794490334853
  3. SAMSUNG M393A2K40CB2CVFBY

SAMSUNG Ecc Rdimm Server Memory Ram 1RX4 PC4-2933Y DDR4 M393A2K40CB2-CVFBY

M393a2k40cb2-cvfby Samsung M393a2k40cb2cvfby 16gb 1rx4 Pc4-2933y Ddr4 Ecc Rdimm Server Memory Ram

( Brand: Samsung ), ( Manufacturer Part Number: M393A2K40CB2CVFBY ), ( Form Factor: Rdimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 16 Gb ), ( Bus Speed: Pc4-23400 )

Review SAMSUNG 16gb 1rx4 Ddr4 Ecc Rdimm Server Memory Ram

The **Samsung M393A2K40CB2-CVFBY** is a high-performance **1Rx4 PC4-2933Y DDR4 ECC Registered DIMM** designed specifically for enterprise and server environments where reliability, speed, and scalability are critical. This memory module operates at an advanced **2933 MHz** clock speed, delivering exceptional throughput for demanding workloads such as virtualization, database management, high-performance computing (HPC), and AI-driven applications. Built with **low-power, high-efficiency components**, it ensures optimal energy consumption while maintaining peak performance, making it an ideal choice for data centers seeking both speed and sustainability.

As a **Registered DIMM (RDIMM)**, this module incorporates a **buffer chip** that helps stabilize data transmission across multiple memory channels, reducing signal integrity issues and improving overall system stability particularly in configurations with high memory channel counts. The **ECC (Error-Correcting Code)** functionality provides an additional layer of protection against data corruption, automatically detecting and correcting single-bit errors, which is essential for maintaining data integrity in mission-critical applications. This makes the module particularly well-suited for environments where uptime and accuracy are non-negotiable, such as financial trading platforms, cloud infrastructure, and scientific research systems.

Constructed with **Samsung s proprietary memory technology**, the M393A2K40CB2-CVFBY features **low-latency signaling** and **optimized power management**, ensuring seamless operation even under heavy loads. The **256GB capacity** (4x 64GB DIMMs) allows for significant scalability, enabling administrators to expand memory resources as needed without compromising performance. Compatible with a wide range of **Intel Xeon and AMD EPYC** processors, this module integrates smoothly into modern server architectures, including those supporting **DDR4-2933 MHz** memory speeds. Its **288-pin DIMM form factor** ensures backward and forward compatibility with existing server hardware, reducing the need for costly upgrades.

Beyond its technical specifications, the **M393A2K40CB2-CVFBY** is engineered with **enterprise-grade reliability**, featuring **enhanced thermal management** and **robust quality control** to withstand prolonged operation in demanding environments. Samsung s rigorous testing processes, including **burn-in and endurance validation**, ensure that each module meets strict industry standards for durability and longevity. Whether deployed in a **high-density server farm** or a **mission-critical workload environment**, this memory module delivers a balance of speed, efficiency, and dependability, making it a cornerstone for next-generation server infrastructure.

### **Pros and Cons of buying a Samsung M393A2K40CB2-CVFBY (1Rx4 PC4-2933Y DDR4 ECC RDIMM Server Memory)**

#### **Pros:**

1. **High Performance and Speed** This is a **DDR4-2933 MHz** module, which provides faster data transfer rates compared to slower DDR4 options (e.g., 2400 MHz). This can improve server workload efficiency, especially in CPU-bound tasks like database operations, virtualization, or high-performance computing.

2. **ECC (Error-Correcting Code) Capability** ECC memory helps detect and correct single-bit errors, reducing data corruption risks in critical applications. This is essential for servers, databases, and virtualization environments where data integrity is paramount.

3. **Registered (RDIMM) Design** RDIMMs are optimized for server environments, offering better signal integrity and reduced power consumption compared to unbuffered (UDIMM) modules. They are also more stable in multi-socket systems.

4. **Compatibility with High-End Servers** This module is designed for enterprise-grade servers, supporting **DIMM slots in Xeon, EPYC, or other high-end server CPUs**. It is suitable for workloads requiring reliability and scalability.

5. **Low Power Consumption** DDR4-2933 modules are more power-efficient than older DDR3 or higher-speed DDR4 variants, reducing operational costs in data centers.

6. **Long-Term Availability** Samsung is a reputable manufacturer, and this module is part of a widely supported product line, meaning spare parts and replacements should remain available for years.

7. **Supports Large Capacity Configurations** The **1Rx4 (1-rank, 4GB per module)** configuration allows for flexible memory scaling in servers, enabling administrators to add capacity incrementally.

---

#### **Cons:**

1. **Higher Cost Compared to Consumer RAM** Server-grade ECC RDIMM modules are significantly more expensive than consumer DDR4 RAM. The price per GB is much higher, which may not be justified for non-server workloads.

2. **Limited Use Case for Non-Server Systems** This module is **not compatible with consumer motherboards** (e.g., Intel Z-series, AMD B/X-series). It requires a server-grade motherboard with ECC support and proper DIMM slots.

3. **Overkill for Light Workloads** If you are running a **home server, NAS, or a low-end workstation**, this module may be unnecessary. A **non-ECC, lower-speed DDR4 module** would suffice and save costs.

4. **Potential Overkill for Small Businesses** Small businesses or SMBs with modest server needs may not fully utilize the performance benefits of DDR4-2933 ECC RDIMM, making it a costly upgrade.

5. **Compatibility Risks with Non-Server Hardware** Attempting to use this in a non-server system could lead to **instability, crashes, or even hardware damage** due to voltage or timing mismatches.

6. **No On-DIE ECC in Some Cases** While this module has ECC, some server workloads (e.g., gaming servers) may not benefit enough to justify the cost.

---

### **Conclusion:**

The **Samsung M393A2K40CB2-CVFBY (1Rx4 DDR4-2933 ECC RDIMM)** is an excellent choice for **enterprise servers, high-performance computing, virtualization, and data-intensive applications** where reliability, speed, and error correction are critical. Its performance advantages justify the higher cost in professional environments.

However, for **consumer-grade PCs, home servers, or non-critical workloads**, this module is **overkill and unnecessarily expensive**. In such cases, a **non-ECC, lower-speed DDR4 module** (e.g., DDR4-3200 or DDR4-3600) would be a more cost-effective alternative.

### **Recommendation:** - **Buy this module if:**

- You are running a **server (Xeon, EPYC, or similar)** with demanding workloads (databases, virtualization, HPC).

- You need **ECC memory for data integrity** in mission-critical applications.

- You require **high-speed RAM (2933 MHz) for CPU-bound tasks**.

- **Avoid this module if:**

- You are building a **consumer PC, gaming rig, or a non-server workstation**.

- Your budget is limited, and you don t need ECC or high-speed RAM.

- You are using a **non-server motherboard** that lacks ECC support.

For most **consumer or small business users**, a **non-ECC, lower-cost DDR4 module** (e.g., Corsair Vengeance, G.Skill Ripjaws, or Kingston Fury) would be a better investment. However, if you are in a **server environment**, this Samsung module is a **strong, reliable choice**.

Details:

Mon-Fri: 7am-6pm MST. Item has been tested and is in working condition May Contain Blemishes/Scuffs/Dust from normal wear tear. Items must be in original condition. Key Features: 100% Functional: Each item is inspected and tested by our technicians to verify power, core functionality, performance.

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part #: m393a2k40cb2cvfby prices

  • $250.00-$324.99

specifications servermemor:

  • brand: Samsung
  • mpn: M393a2k40cb2cvfby
  • form factor: Rdimm
  • type: Ddr4 Sdram
  • total capacity: 16 Gb
  • bus speed: Pc4-23400

shipping servermemor:

  • cost: $0.00
  • transit: 4-8 Days
  • class: Standard
  • type: Fixed
  • service: Standard

payments servermemor:

  • credit card: Diners-club
  • other
  • wallet: Paypal

returns servermemor:

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

general servermemor:

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

offer servermemor:

  • options: Ship-to-home
  • started: April 10, 2026
  • best offers: True
  • availability: In Stock
  • sold: 0

seller servermemor:

  • rating: 99.8%
  • # reviews: 27321
  • city: Scottsdale, Arizona
form factor: rdimm, type: ddr4 sdram, total capacity: 16 gb, bus speed: pc4-23400,
category: computers > enterprise networking, servers > server components > server memory ram, sku: 12523794490334853,
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5 offers $250.00–$324.99 USD
  • Used. Offer #1 priced at $324.99 + $5.99 shipping estimate = $330.98* total. Enhance your server's performance with the 64GB Samsung Reg ECC LRDIMM Server RAM (M386A8K40CM2-CVFCO).+$5.99 shipping
  • Used. Offer #2 priced at $299.95 + $0.00 shipping estimate = $299.95* total. Manufacturer: Samsung Capacity: 32GB.FREE SHIPPING
  • Open box. Offer #3 priced at $250.00 + $0.00 shipping estimate = $250.00* total. Open box Comes as pictured.FREE SHIPPING
  • Used. Offer #4 priced at $263.85 + $0.00 shipping estimate = $263.85* total. Total Kit Capacity: 32GB. Kit Details: 2x 16GB 2933 1Rx4.FREE SHIPPING
  • Used. Offer #5 priced at $84.99 + $0.00 shipping estimate = $84.99* total. The module is manufactured in China and is a reliable and high-quality choice for enhancing server performance and capacity. The product is an HPE 16GB 1RX4 -R DDR4 RDIMM memory module from Samsung, with the model number M393A2K40CB2 and part number P06187-001.FREE SHIPPING

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