The UAD-1e Extreme PAK includes ALL available Powered Plug-Ins, up to and including those in UAD Software version 4.5.x -- 32 world class plug-ins! The Express PAK combines potent DSP power and professional audio plug-ins for the ultimate sonic upgrade for your DAW.

The UAD-Xpander is the world's first ExpressCard audio DSP expansion system for Mac OS X and Windows XP/X64/Vista laptops. Using an ultra-fast ExpressCard 34 connection (2.5Gbps differential serial link). ExpressCard is the new expansion standard in the latest laptops, such as the MacBook Pro.