Go Faster
A PowerBook 1400 may not be cutting edge by today's standards, but its still a great notebook to many Mac enthusiasts. With a solid build-quality, and one of the most responsive keyboards ever on an Apple® notebook, the PowerBook 1400 is a cherished favorite for running solid applications under the classic Mac OS 9 operating system. Why not give it a boost in performance? With the Sonnet Crescendo™ PB/G3, your PowerBook 1400 will experience significant speed gains—up to 12x performance of the original processor! The Crescendo/PB G3 replaces your PowerBook's original, slower 603e processor card with a speedy 466 MHz G3 processor with high-speed Level 2 backside cache—processing power and performance to run all your favorite applications much faster and more efficiently.

Simple Installation
The Crescendo/PB G3 is easy to install with step-by-step, illustrated instructions. Simply open your laptop computer, remove the processor card and replace it with a Crescendo/PB G3 upgrade card. Just that fast, you are PowerPC-accelerated to a faster and better performing notebook.