Operating System Requirements: Mac OS X 10.3-10.4 Description: This software enables the use of all versions of the Tempo SATA E2P, Tempo SATA Edge ExpressCard/34 and Tempo SATA ExpressCard/34 host controllers running Mac OS X 10.3-10.4.
Note: This version is not recommended for use with Macintoshes with greater than 2GB of memory.
Yes, this is a great way to expand capacity and performance. If two or more Tempo-X, X4+4, X8, X4i, X4P, E4i, or E4P cards are installed to the same machine they must all have the same firmware version to avoid conflicts.