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Pros: This has worked well for me. Aside from some problems with eSATA cables, it works great with both Windows 7 and Linux. I've had no problems with disks upto 1 TB (Tbyte) in size.
I've had no problems with the plastic or the weights, either.
Cons: The USB interface doesn't work with 3 TB drives, though the eSATA interface seems to work fine. I'm not sure why 2 TByte (2^41) is a magic number for the USB interface, but it seems to be in my case. This is true for both Windows 7 and Linux.
Note that this is not a MBR vs. GPT partitioning scheme issue, since I can get the 3 Tbyte drives to work using the eSATA interface.
Also note that older versions of Linux can't handle disks larger than 2 Tbyte at all. For example, Ubuntu 10.04 (Lucid Lynx), can't handle my 3 Tbyte disks on the USB or eSATA interfaces.
Windows 7 seems unable to handle hot-swap of disks on the eSATA interface, which means that with Windows 7 you're either stuck with disks smaller than 2 Tbyte (USB interfaced), or you can't swap disks without rebooting (eSATA interface).
Finally, I"ve had problems with the external eSATA cables becoming loose and causing disk errors when they "wobble". There are no locking eSATA cables and the ones I'm using that fit securely when new seem to become quite loose as they edge (cheap metal in the spring on the connector???). I've bought some more expensive cables that seem to be holding up, but its too early to tell since the cheap cables fit firmly when they were new.
Other Thoughts: I don't have any 2 Tbyte drives to test with, only 750 GB, 1 TB, and 3 TB.
Further, I need to redo some of these tests to be sure I'm reporting them correctly (any updates will follow).
Pros: Pretty color. Low price. Latches are secure. Worked fine for ~18 months.
Cons: After ~18 months, I was unable to burn DVD without getting a failure. The problem occurred with *both* my DVD burners (one Blue Ray one Lightscribe DVD). Since I don't use them much, the cables probably didn't fail at the same time.
Other Thoughts: I was having problems burning DVD with *both* my DVD drives, so it seemed like it must be a software problem with Windows or hardware with my motherboard.
Booted to Linux to get better diagnostics, which pointed to occasional "Drive Ready" problems. Swapped cables and motherboard SATA ports between the drives which didn't seem to help. Finally had the bright idea that *both* cables might be bad (because it really looked like a cable problem). Swapping the cables out fixed it!
Staring at the cables, they look pretty well put together. My guess is that connector itself failed somehow. Perhaps the springs lost their springiness or something.
I should probably give these two stars since they're undoubtedly better than other cables out there, but I really don't have much tolerance for bad cables!
Pros: You can buy it.
Other Thoughts: This seems to be the retail version of the HDS722020ALA330, which is $20 cheaper. I haven't bought it, but gave it the same average rating as that part.
Some suggest paying the extra $20 to get better packaging during shipping. I may do that.