The most popular upgrades fall into one or more of the following categories:

  • Feature upgrades add capabilities to your PC, such as DVD burning, video capture, or wireless networking.
  • Reliability upgrades are targeted at reducing the likelihood, frequency, and severity of hardware failures.
  • Performance upgrades speed up your system.
  • Quiet upgrades reduce the noise level of your system.
  • Convenience upgrades make it easier to do things you want to do.
  • Data safety upgrades reduce the likelihood that your bdata will be corrupted or lost.

Table 1-1 lists the 20 most popular PC upgrades by type, cost, and difficulty, ordered from least to most expensive.

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Table 1-1: The top 20 upgrades

The actual cost of an upgrade obviously varies by the specific component you choose, but we've provided approximate ranges, as follows:

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