Is there actually any appreciable difference in cost? But, to answer your question, the PCI bus (assuming standard 32bit/33MHz) is limited to an aggregate theoretical 133MB/s, so even SATA150 can saturate the entire bus.
Greg > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:hardware- > [EMAIL PROTECTED] On Behalf Of Winterlight > Sent: Wednesday, December 19, 2007 12:21 PM > To: hardware@hardwaregroup.com > Subject: [H] PCI Bus at 3MB/s > > I have a older P4 3.4 rig I want to add some SATA ports to. I don't > want RAID. I will probably get a new/or used 4 port Promise > controller. Is there any good reason to pay for a 3MB/s controller as > opposed to a 1.5? Seems to me a PCI bus couldn't handle that kind of > bandwidth anyway..... am I right?
