CRUCIAL CT4G4WFS8213 Ecc Memory 4GB DDR4 2666MHZ

( Brand: Crucial ), ( Manufacturer Part Number: CT4G4WFS8213 ), ( Total Capacity: 4 Gb ), ( Memory Features: Ecc Memory, Registered ), ( Form Factor: Dimm ), ( Type: Ddr4 Sdram ), ( Unit Type: Unit ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-17000 )

Review CRUCIAL 4gb Ddr4 2666mhz Ecc Registered Memory

The **Crucial CT4G4WFS8213** is a high-performance, enterprise-grade memory module designed to deliver exceptional reliability, speed, and efficiency for demanding computing environments. Part of Crucial s **CT4G4WFS** series, this **4GB (4x1GB) DDR4 SDRAM** kit operates at an optimized clock speed of **2666MHz**, ensuring seamless data transfer and reduced latency for applications that require precision and speed. Built with **low-power, low-voltage (1.2V)** components, this memory module is engineered to operate efficiently while minimizing heat generation, making it ideal for servers, workstations, and high-performance computing setups where thermal management is critical.

This module features **ECC (Error-Correcting Code) technology**, which actively detects and corrects single-bit errors in real-time, significantly enhancing data integrity and system stability particularly vital in mission-critical applications such as databases, virtualization, and financial systems where uptime and accuracy are non-negotiable. The **DDR4 architecture** not only improves bandwidth and throughput but also introduces enhanced power efficiency and scalability compared to older DDR3 standards, allowing for smoyser integration into modern motherboards and server platforms.

Crucial s reputation for quality is reinforced by the **strict manufacturing standards** applied to this module, including rigorous testing for performance, endurance, and reliability. The **unbuffered (UDIMM) configuration** ensures compatibility with a wide range of motherboards, including those in **Intel Xeon, AMD EPYC, and high-end desktop systems**, while the **2666MHz speed** strikes a balance between performance and power consumption, making it suitable for both budget-conscious and performance-driven users. Whether deployed in a **24/7 data center, a gaming rig, or a professional workstation**, this memory module provides a robust foundation for demanding workloads, ensuring consistent performance and long-term dependability.

**Pros and Cons of buying a Crucial CT4G4WFS8213 (4GB DDR4 2666MHz ECC Memory)**

The Crucial CT4G4WFS8213 is a solid choice for specific use cases, particularly in server, workstation, or enterprise environments where reliability and compatibility are critical. Here are the key advantages:

1. **ECC Functionality** Error-Correcting Code (ECC) memory helps prevent data corruption by detecting and correcting single-bit errors. This is invaluable for servers, workstations running intensive applications (e.g., databases, virtualization, or CAD), and systems where data integrity is non-negotiable.

2. **Reliability and Stability** ECC memory is designed for environments where uptime and stability are prioritized. It reduces the risk of crashes or data loss due to memory errors, making it ideal for mission-critical workloads.

3. **Compatibility with High-End Systems** This module is compatible with Intel Xeon and AMD EPYC processors, as well as many enterprise-grade motherboards. It is often used in data centers, workstations, and high-performance computing (HPC) setups.

4. **Low Latency (CL19)** The CAS latency of 19 is relatively low for ECC memory, which can help improve performance in latency-sensitive applications compared to higher-latency ECC kits.

5. **Crucial s Reputation** Crucial is a well-known brand under Micron Technology, which is trusted for quality and durability in both consumer and professional memory products.

6. **Cost-Effective for ECC** While not the cheapest memory on the market, it offers a balanced price for ECC performance, especially when buying in bulk for server deployments.

7. **Registered (RDIMM) Option** If you need registered memory (e.g., for larger server systems), Crucial offers compatible RDIMM versions of this part, which are essential for multi-channel memory configurations in enterprise servers.

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1. **Small Capacity (4GB per Module)** At just 4GB per stick, this module is not suitable for modern consumer or workstation builds where 8GB, 16GB, or larger capacities are standard. You would need multiple sticks to reach usable amounts of RAM, which can be expensive and take up multiple slots.

2. **Not Ideal for Consumer Use** ECC memory is overkill for gaming, general productivity, or most consumer applications. Non-ECC memory (e.g., DDR4-3200 or DDR5) will offer better performance and value for these use cases.

3. **Limited Overclocking Potential** Like most ECC memory, this module is not designed for overclocking. It is optimized for stability and reliability rather than performance gains, which may disappoint enthusiasts looking to push their systems beyond stock speeds.

4. **Higher Cost per GB** ECC memory is more expensive than non-ECC memory per gigabyte. For example, a 16GB non-ECC kit may cost less than two 8GB ECC kits, even though the total capacity is the same. This makes it less cost-effective for non-enterprise users.

5. **Compatibility Restrictions** This module is designed for server/workstation platforms and may not work in consumer motherboards, especially those without ECC support or specific memory slot configurations (e.g., some Intel B-series or AMD B550 motherboards lack ECC support).

6. **No DDR5 Option** If you are building a modern system with DDR5 support, this DDR4 module will not be compatible, limiting its usefulness for future-proofing.

7. **Single-Channel Limitations** While this module can be used in multi-channel setups, some server configurations require registered or buffered memory (e.g., LRDIMM) for larger capacities, which may not be available in this specific part number.

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The Crucial CT4G4WFS8213 (4GB DDR4 2666MHz ECC) is a well-suited memory module for **enterprise, server, or high-reliability workstation environments** where data integrity and stability are critical. It excels in scenarios such as:

- Running virtualization platforms (e.g., VMware, Hyper-V).

- Hosting databases or applications requiring error correction.

- Building HPC or data center workloads.

- Upgrading legacy systems with Intel Xeon or AMD EPYC CPUs.

However, for **consumer, gaming, or general productivity use**, this module is unnecessary due to its small capacity, higher cost, and lack of overclocking potential. In these cases, non-ECC DDR4 or DDR5 memory with higher capacities (e.g., 16GB or 32GB kits) would be a far better investment.

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- You are building or upgrading a **server, workstation, or HPC system** that requires ECC memory.

- You need **registered or buffered memory** for large-scale server deployments (check for compatible RDIMM/LRDIMM versions if needed).

- Data integrity is a priority (e.g., financial systems, scientific computing, or database servers).

- Your motherboard supports ECC and DDR4-2666 (e.g., Intel C621, Xeon D, or AMD EPYC platforms).

- You are building a **consumer PC, gaming rig, or content creation workstation** where non-ECC memory is sufficient.

- You need **larger capacities** (e.g., 16GB or 32GB kits) for modern workloads.

- You are using a **DDR5 platform**, as this is a DDR4 module.

- You are on a tight budget, as non-ECC memory offers better value for most use cases.

For most users, a **non-ECC DDR4 or DDR5 kit with higher capacity** (e.g., 16GB or 32GB) would be a more practical and cost-effective choice. However, if you are certain that ECC is required for your specific application, the CT4G4WFS8213 is a reliable and compatible option.

Details:

Its PC4-17000 bus speed ensures fast data transfer, while the ECC memory feature helps prevent errors. The Crucial 4GB DDR4 2666MHz ECC Registered Memory CT4G4WFS8213 is a high-quality memory module designed for server use. With a total capacity of 8GB split into two 4GB modules, this DDR4 SDRAM DIMM provides reliable performance.

part #: ct4g4wfs8213 prices

• $44.99-$165.00

specifications servermemor:

• brand: Crucial
• mpn: Ct4g4wfs8213
• total capacity: 4 Gb
• memory features: Ecc Memory, Registered
• form factor: Dimm
• type: Ddr4 Sdram
• unit type: Unit
• number of pins: 288
• bus speed: Pc4-17000

payments servermemor:

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

offer servermemor:

• availability: In Stock
• sold: 0
• started: February 8, 2026
• quantity: 1
• options: Ship-to-home

returns servermemor:

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

seller servermemor:

• rating: 100.0%
• # reviews: 58
• city: Oklahoma City, Oklahoma

shipping servermemor:

• type: Calculated
• transit: 4-11 Days
• cost: $5.45
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS

general servermemor:

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

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