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What is the Difference Between a Micro PC and SFF PC?

Micro PC vs Small Form Factor PC: Which Compact Solution is Right for You?

Tulie Finley-Moise
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Reading time: 5 minutes
In today’s rapidly evolving computer market, consumers face a wide array of choices when it comes to selecting the perfect PC for their needs. Two increasingly popular options are micro PCs and small form factor (SFF) PCs. While these terms may sound similar, they represent distinct categories with unique features and benefits. In this comprehensive guide, we’ll explore the differences between micro PCs and SFF PCs, their advantages and disadvantages, and help you determine which option might be best suited for your computing needs.

Understanding Form Factors in PCs

Before diving into the specifics of micro PCs and SFF PCs, it’s essential to understand the concept of form factors in computer design.

What is a Form Factor?

A form factor refers to the physical specifications of a computer’s components, particularly the motherboard, which dictates the overall size, shape, and layout of the system. Form factors play a crucial role in determining a computer’s compatibility with various cases, power supplies, and other hardware components.

Common PC Form Factors

Several form factors have become standard in the PC industry:
  1. ATX (Advanced Technology eXtended): The most common form factor for full-sized desktops, offering a balance of size, expandability, and cooling options.
  2. Micro-ATX: A smaller version of ATX, providing fewer expansion slots but still maintaining a good balance of features and size.
  3. Mini-ITX: An even smaller form factor, often used in compact builds. Mini ITX motherboards are particularly relevant in small form factor (SFF) builds due to their compatibility with compact cases.
  4. Small Form Factor (SFF): A category encompassing various compact designs.
  5. Micro PC: Ultra-compact systems, sometimes referred to as mini PCs or micro towers.
Understanding these form factors is crucial when selecting a PC that fits your space requirements and performance needs.

What is a Small Form Factor (SFF) PC?

Small form factor PCs represent a category of computers designed to offer full desktop functionality in a compact package. These systems are significantly smaller than traditional tower PCs but larger than micro PCs.

Key Features of SFF PCs:

  • Typically measure around 10-13 inches in height and 12-15 inches in depth
  • Often designed to lay flat or stand vertically
  • Offer a balance between compactness and performance
  • Usually support standard desktop components, allowing for some upgradability
  • Some SFF cases can accommodate an ATX power supply, enhancing flexibility and cost efficiency

Advantages of SFF PCs:

  1. Space-saving design ideal for small offices or home setups
  2. Quieter operation compared to full-sized towers
  3. Energy-efficient, consuming less power than larger systems
  4. Versatile placement options (horizontal or vertical orientation)
  5. Sufficient expansion capabilities for most users

Disadvantages of SFF PCs:

  1. Limited internal space can restrict high-end component choices
  2. May generate more heat due to compact design
  3. Upgradability can be more challenging compared to full-sized towers

What is a Micro PC?

Micro PCs, also known as mini PCs or microtowers, represent the smallest category of desktop computers. These ultra-compact systems pack impressive performance into an incredibly small footprint.

Key Features of Micro PCs:

  • Extremely compact, often measuring less than 8 inches in any dimension
  • Designed for minimal space usage, sometimes mountable behind monitors
  • Utilize mobile components to achieve their small size
  • Limited upgradability due to their compact nature

Advantages of Micro PCs:

  1. Ultra-small footprint, perfect for tight spaces or minimalist setups
  2. Highly portable, easy to move or transport
  3. Very low power consumption
  4. Nearly silent operation
  5. Sleek, modern aesthetic

Disadvantages of Micro PCs:

  1. Limited upgrade options due to specialized components
  2. May not support high-performance GPUs or multiple storage drives
  3. Potential for thermal throttling under heavy loads
  4. Generally less powerful than larger desktop PCs

Choosing Between SFF and Micro PCs: Key Considerations

When deciding between a small form factor PC and a micro PC, consider the following factors:
  1. Space constraints: If space is at an absolute premium, a micro PC might be the best choice. For those with a bit more room, an SFF PC offers a good balance of size and performance.
  2. Performance needs: SFF PCs generally offer more powerful components and better cooling, making them suitable for more demanding tasks. Micro PCs are ideal for basic computing, media consumption, and light productivity work.
  3. Upgradability: If you anticipate needing to upgrade components in the future, an SFF PC provides more flexibility. Micro PCs often have limited or no upgrade options.
  4. Budget: Micro PCs can be more affordable for basic computing needs, while SFF PCs offer a wider range of price points depending on the components.
  5. Portability: If you need to move your PC frequently, a micro PC’s ultra-compact size makes it the more portable option.

HP’s SFF and Micro PC Offerings

HP offers a range of both small form factor and micro PCs to suit various needs and budgets. Let’s explore some of the top options:

HP ProDesk 400 G5 Small Form Factor PC

The HP ProDesk 400 G5 SFF PC is an excellent choice for businesses and home offices seeking a balance of performance and compactness.
Key Specifications:
  • Processor: Intel Celeron G4900 Processor (3.1 GHz, 2MB Cache, 2 core)
  • Graphics: Intel UHD Graphics 610
  • Memory: 4GB DDR4-2666 DIMM (expandable)
  • Storage: 500GB 7200 RPM SATA HDD
  • Customizable: Yes

HP EliteDesk 800 G6 Desktop Mini PC

For those seeking an ultra-compact solution without compromising on performance, the HP EliteDesk 800 G6 Desktop Mini PC is an excellent choice.
Key Specifications:
  • Processor: 10th Generation Intel Core i5 (customizable)
  • Graphics: Intel UHD Graphics 630
  • Memory: 8GB DDR4-2666 SDRAM (expandable)
  • Storage: 256GB PCIe NVMe SSD
  • Customizable: Yes

Conclusion: Thinking Small for Big Results

The era of compact computing shines with brilliant promise, offering powerful performance in increasingly smaller packages. Whether you opt for the versatility of a small form factor PC or the ultra-compact design of a micro PC, HP offers a range of options to suit your needs.
Small form factor and micro PCs are ideal for:
  • Offices and home workspaces with limited desk space
  • Educational institutions looking to maximize computer lab capacity
  • Retail environments requiring discrete point-of-sale systems
  • Home entertainment setups where a sleek, unobtrusive PC is desired
By understanding the differences between these compact PC options, you can make an informed decision that balances your space constraints, performance needs, and budget considerations. With HP’s diverse lineup of SFF and micro PCs, you’re sure to find a solution that fits your digital world perfectly.
Remember, your computing needs may evolve over time, so consider future requirements when making your choice. Whether you’re a business professional, a student, or a home user, the world of compact PCs offers exciting possibilities for efficient and powerful computing in any space.

About the Author

Tulie Finley-Moise is a contributing writer for HP® Tech Takes. Tulie is a digital content creation specialist based in San Diego, California with a passion for the latest tech and digital media news.

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