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If your computer is a Pentium, AMD K5/K6, or Cyrix MII PC running at any of the following speeds:

75MHz · 90MHz · 100MHz · 120MHz · 133MHz
150MHz · 166MHz · 180MHz · 200MHz · 233MHz

Your CPU upgrade choices are:

PL-ProMMX-233 · PL-ProMMX-400
  What are the differences between these choices?
PL-ProMMX-233 The PL-ProMMX-233 is our most compatible CPU upgrade. It features an Intel 233MHz Pentium MMX processor, which works right out of the box with most Pentium PCs. Name brand computers such as Compaq, IBM, Dell, Gateway, and Packard Bell that currently use Pentium processors can easily be upgraded using the PL-ProMMX-233.
PL-ProMMX-400 The PL-ProMMX-400 is compatible with fewer systems, but it offers a larger "bang for the buck" in terms of performance. It features a 400MHz AMD K6-2 processor with MMX and 3DNOW! Please see our compatibility list before you purchase.

Each upgrade kit comes complete with an illustrated installation guide, a heatsink and fan, power cable, and utility diskette.

PowerLeap upgrades are covered by a 30-day money back guarantee, and a three-year warranty.

  1. 30-day Satisfaction Guarantee. If you are not satisfied for any reason with your PowerLeap product, return it within 30 days for a full refund of the purchase price.
  2. 90 Day Warranty. If your PowerLeap product fails at any time within 90 days due to any cause other than abuse, misuse, or catastrophic accident (floods, earthquakes, etc...), return it and PowerLeap will replace or repair it at no charge to you.
  Orders are normally shipped within two business days. The shipping method you select applies to how the product is shipped once it has been processed, and does not including processing time.

Occasionally, an item ordered goes to backorder and in those cases you will be notified by email. If you have been notified of a backorder situation, you can obtain a status update by emailing us at

  Need to check the status of an order?
Please email us at


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