CompTIA A+ Core 1 (220-1201)HardwareMedium

A technician is building a high-performance workstation for video editing. The client specifies that the system should support a maximum of 128GB of RAM and use a CPU with 16 cores. Which motherboard form factor would be most appropriate for this build?

  1. AE-ATX
  2. BATX
  3. CMini-ITX
  4. DMicro-ATX
Show answer & explanation

Correct answer: A. E-ATX

E-ATX (Extended ATX) motherboards are larger than standard ATX and are designed for high-end workstations and servers. They typically offer more RAM slots (often 8 or more), support for larger CPUs (like those with 16 cores), and more PCIe lanes for multiple GPUs or expansion cards, making them ideal for demanding tasks like video editing requiring significant RAM and processing power.

Why the other options are wrong

  • B. ATX boards are standard and can support up to 128GB with 4 slots, but for high-core count CPUs and extensive expansion, E-ATX offers more robust support.
  • C. Mini-ITX boards are very small, with limited RAM slots (usually 2) and expansion capabilities, unsuitable for a high-performance workstation.
  • D. Micro-ATX boards are smaller than ATX, typically having fewer RAM slots (usually 2-4) and fewer PCIe slots, making them less ideal for this build.

E-ATX Form Factor

A larger motherboard form factor (Extended ATX) designed for high-end systems, offering increased expansion capabilities, more RAM slots, and enhanced power delivery.

  • Dimensions are typically 12 x 13 inches (305 x 330 mm).
  • Common in server, workstation, and enthusiast gaming builds.
  • Supports multiple GPUs, high-core count CPUs, and extensive RAM configurations.

Memory trick: Many Sizes Are The X-factor.

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