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- #USB 3.0 PCI EXPRESS CARD MAC MAC OS#
- #USB 3.0 PCI EXPRESS CARD MAC PRO#
- #USB 3.0 PCI EXPRESS CARD MAC WINDOWS#
Since the drive was really intended for Windows, I'd suggest doing the partitioning/formatting dance again. The external should be doing a lot better than the speed you're measuring. I think i am going to take my laptop in to get a SSD hard drive this week, do you think that would help the speed?
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It's a "Seagate Expansion Desktop Drive". If you don't know anything else i could do i will go ahead and reformat the drive with the "GUID" and journaled as you are talking about.Īnd yes the external hard drive i am using is usb 3.0. Also, if the drive is bus powered, it's probably portable, which means it likely has a HD inside that's similar to a laptop drive and probably no faster.īut in any case, it's the throughput that's measured by transfer rate as shown in Activity Monitor rather than how the connection is described in System Information that really matters. Since you have a power brick to use with the external, I'd suggest using it, at least for testing. An additional issue is that some externals expect to get all the power they need to operate from the USB connection itself, as you've mentioned. But they still should go faster than a USB 2.0 connection.
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You're correct that one contributing factor is the speed of the source drive and laptop drives often run at a slower rotational speed than desktop drives.
#USB 3.0 PCI EXPRESS CARD MAC MAC OS#
If you're using the external drive only on a Mac, first partition it with a GUID partition, then format it Mac OS Extended (Journaled) - note that anything already on the drive would be erased when you do that. You'll see data read and data written speeds as well as the Peak transfer rate.
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The most reliable way I know of to test transfer speed is to open Activity Monitor, click on Disk Activity at the bottom, then do a file transfer to the drive connected to the USB 3.0 port (I'm assuming the connected drive is a USB 3.0 drive because if it's not, all you'll get is USB 2.0 performance). am i getting the usb 2.0 speed because my main internal computer hard drive can't push out the information fast enough? Questions? Comments? Have a fix? Post them below or e-mail us!īe sure to check us out on Twitter and the CNET Mac forums.Wait is this one of those issues i am looking over.
#USB 3.0 PCI EXPRESS CARD MAC PRO#
The company is clearly disclaiming any poor performance people may experience, but if you would like to try USB 3.0 on a Mac Pro system, at least one option is available. While this should work, CalDigit makes it clear that performance may differ on unsupported (non-CalDigit) USB 3.0 products. Information on the card is available at the CalDigit website. Unlike similar previous announcements from Buffalo, the new card from CalDigit comes with support for OS X, so if you have a Mac Pro you can get USB 3.0 connectivity on it. Along with the drive, CalDigit includes a card for supplying desktop computers with USB 3.0 ports.
#USB 3.0 PCI EXPRESS CARD MAC WINDOWS#
Unfortunately the card supplied by Buffalo did not work in OS X, though users could boot to Windows installations in Boot Camp to utilize the hardware for USB 3.0 performance.Ī couple of weeks ago electronics developer CalDigit made a similar announcement, releasing a new AV Drive with USB 3.0 support. If so this would have brought USB 3.0 connectivity to OS X far sooner than expected. When Buffalo released a number of USB 3.0 products a about a year ago, there was some confusion over whether or not the included USB 3.0 PCI-express card would work in Macs.