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3 people found this helpful
Seems to work in my MacBook Pro...but it's now unstable
on November 28, 2012
I wanted to unleash the speed of the inexpensive USB 3.0 Drives out there in my MacBookPro. It made my USB drives double the speed of my firewire 800 drives and allows two 3.0's to read and write to each other while 2.0 and firewire drives are connected. Mostly it's to get the USB drives working faster than firewire, until thunderbolt gets affordable. I was going to buy a second one for my newer quad core MBP, but just now the system froze several times and had to be hard booted back. It may be the card that's screwing stuff up. I pulled it, and everything seems back to normal. So, it's either an incompatible card, or bad driver software. I'll try it in my new quad core and see if it messes that up as well, in which case I go back to normal mode and stop adding things to computers instead of simply upgrading to more capable ones. I have had little luck in the past three decades adding stuff to computers... often as not they don't work or worse, screw up a system that otherwise works fine. We'll see this week. Mid 2009 Macbook Pro. Tomorrow, I try it in a late 2012 model, last 17" quad core before the retina 15".
Just hooked it up to the newer MBPro and it works flawlessly. Speeds noticeably improved, very nice. Watch one thing... when inserting and pulling USB cords out, be careful not to press in the card... it can unhook from the card bay inside, causing the connection to be broken and giving you the message the drive was not properly dismounted. I almost lost 3TB to a botched data tree from this, but luckily I could copy the contents to another drive to recover. It wouldn't operate in USB 3.0 after the improper dismount caused by the card coming out. Otherwise, works fine. Hold the card pressed either forward or backward when inserting or removing cords, and you're fine. This issue has never been a problem with OS formatted drives, but using Windows NTFS formatting (to read and write on both systems) can cause real formatting damage if the drive is not dismounted safely.