Taken from Seagate’s press release:
SEAGATE EXPANDS DESKTOP HARD DRIVE LEAD WITH 750GB MONSTER BUILT ON PERPENDICULAR RECORDING TECHNOLOGY
With the introduction of Barracuda 7200.10 family, Seagate now leverages perpendicular recording technology across its desktop, notebook, enterprise, consumer electronics and retail hard drives
Wow! Now you can easily install 1.5TB of data inside a PowerMac G5, or upgrade your Intel or G5 iMac with a monster drive. The drives are currently on backorder at Small Dog, but I would recommend getting your backorder in our system to guarantee the quickest delivery.