It'll be perfectly compatible... provided you also install a SATA card to run it, such as this one: http://eshop.macsales.com/item/SIIG/SCSATM12/ Once everything is plugged in, open up Disk Utility and format the drive with the Mac OS Extended file system. Tony On 16-Jan-08, at 6:02 PM, Kevin Walsh wrote: > Howdy do fine people - > the recent thread on diskspace/harddrives has been > very stimulating as I myself am currently undertaking > such an overhaul on 2 different Macs. I appreciate > all the information I have gained from you brainiacs. > I have an issue to add to the harddrive craze. I > visited a local computer store in my ultra-hip > central-Texas town and asked for any mac hardware. > The propeiter, a decent fellow, offered to sell an > Indigo iMac for 30 bucks. I refused because 2 are > enough for me but that's besides the point. Other > than that he didn't have anything specifically for > Macs. I didn't take no for an answer and decided to > pry into his stock of SD RAM and ATA harddrives. He > had several new Western Digital SATA 250 GB HD's for > 75 bucks a pop. What a steal. I thought I'd do some > research to see if the model is compatible for my > Sawtooth. BTW, here's the model #: WD2500JS. > I found some useful info at the following URL: > http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/std_adp.php?p_faqid=1343&p_created=1112716146 > > The info there might aswell be in Russian for me. Any > of you wise-guys mind taking a gander at it - see why > wouldn't it be Mac compatible. > Thanks - Kevin >