Adaptec has only comitted to providing support for a limited number of cards - see this page for details. Since the 2930 is an OEM card from Apple, it should be supported however, as are previous OEM SCSI cards they supplied as options on previous systems. The SCSI card I have been using is no longer available, and that's the FWB PCI Ultra SCSI JackHammer . As you can see, Hammer Storage was bought up by Bell Microproducts, along with Rorke Data, in the spring of 2000. However the drives used in that old article are far slower than those available today.
Competition is typically a good thing for the consumer.
No drivers needed, Flash BIOS upgradeable. Though I'm a Mac user, this product is designed for multiple platforms. There are firmware updaters available from their site , but documentation is very sparse. As the test data will show, the write performance was strangely distant from the read performance in my PowerCurve. But tests performed with my FWB card do not show this disparity, the reads and writes track closely with each other.