3TB internal hard drives from Seagate and Western Digital to release soon

It looks like some of the higher capacity hard drives we’ve been hearing about are going to make their way into the market soon, and Seagate and Western Digital seem to the first to get out internal 3TB hard drives.
Seagate Barracuda XT - 3TB:

1. 7,200RPM
2. 64MB memory buffer
3. 6Gbps SATA interface
4. 8.5ms AAT
5. 32dB(A) Specified Noise

Western Digital Caviar Green:

1. 5,400RPM
2. 3Gbps SATA interface
3. 64MB memory buffer
4. 8.9ms AAT
5. 29dB(A) Specified Noise