ATX vs. NLX

Attribute	ATX	NLX
Form Factor	Standardized	Standardized
Size	Varies (typically larger)	Varies (typically smaller)
Power Supply	Separate	Integrated
Expansion Slots	Multiple	Limited
Compatibility	Backward compatible with older components	Not backward compatible
Connectors	20-pin or 24-pin main power connector	20-pin main power connector
Introduced	1995	1997

Introduction

When it comes to computer motherboards, two popular form factors that have been widely used over the years are ATX (Advanced Technology eXtended) and NLX (New Low-profile eXtended). Both form factors have their own unique attributes and advantages, making them suitable for different types of computer systems. In this article, we will explore and compare the attributes of ATX and NLX, shedding light on their differences and helping you understand which one might be the right choice for your specific needs.

Size and Dimensions

One of the primary differences between ATX and NLX lies in their size and dimensions. ATX motherboards are larger, measuring 12 x 9.6 inches (305 x 244 mm), while NLX motherboards are smaller, measuring 9 x 13 inches (228.6 x 330.2 mm). This size difference is crucial when it comes to fitting the motherboard into different computer cases. ATX motherboards are commonly used in standard desktop towers, providing ample space for expansion slots and components. On the other hand, NLX motherboards are designed for low-profile or slimline cases, making them ideal for compact systems where space is limited.

Expansion Slots

Another important aspect to consider when comparing ATX and NLX motherboards is the number and type of expansion slots they offer. ATX motherboards typically provide more expansion slots, allowing for greater flexibility in terms of adding additional components such as graphics cards, sound cards, and network cards. These motherboards commonly feature 4-7 PCI or PCIe slots, enabling users to customize their systems according to their specific requirements. On the other hand, NLX motherboards usually have fewer expansion slots, typically 2-3, due to their smaller form factor. This limitation may restrict the ability to add multiple expansion cards, making NLX more suitable for basic computing needs or systems with integrated components.

Power Supply

Power supply compatibility is another factor to consider when choosing between ATX and NLX motherboards. ATX motherboards require a standard ATX power supply, which is widely available and compatible with most desktop systems. These power supplies are typically rated between 300-600 watts, providing sufficient power for high-performance components. On the other hand, NLX motherboards require a specialized NLX power supply, which is smaller and designed specifically for low-profile cases. These power supplies are often rated between 150-300 watts, making them suitable for less power-hungry systems. It's important to ensure that the power supply you choose matches the motherboard's requirements to ensure proper functionality.

Cooling and Heat Dissipation

Cooling and heat dissipation are crucial aspects of any computer system, and the motherboard plays a significant role in this regard. ATX motherboards generally offer better cooling capabilities due to their larger size and layout. They provide more space for heat sinks, fans, and airflow, allowing for efficient heat dissipation and reducing the risk of overheating. On the other hand, NLX motherboards, being smaller and designed for compact cases, may have limited cooling options. This can lead to higher temperatures and potentially impact the overall system performance. It's important to consider the cooling requirements of your components and the case when choosing between ATX and NLX motherboards.

Compatibility and Availability

When it comes to compatibility and availability, ATX motherboards have a clear advantage. They have been the standard form factor for desktop systems for many years, resulting in a wide range of compatible components and accessories. ATX motherboards are readily available from various manufacturers, offering a vast selection of features and price points. This availability makes it easier to find compatible cases, power supplies, and other components. On the other hand, NLX motherboards, being less common and designed for specific use cases, may have limited availability and compatibility options. This can make it more challenging to find suitable components and may result in higher costs for NLX-based systems.

Conclusion

In conclusion, both ATX and NLX motherboards have their own unique attributes and advantages. ATX motherboards are larger, offering more expansion slots and better cooling capabilities, making them suitable for high-performance desktop systems. NLX motherboards, on the other hand, are smaller and designed for low-profile cases, making them ideal for compact systems with limited space. When choosing between the two, it's important to consider your specific needs, available space, and budget. If you require extensive expansion options and better cooling, ATX is likely the better choice. However, if space is a constraint and you need a compact system, NLX might be the more suitable option. Ultimately, the decision should be based on your individual requirements and preferences.