Average Reviews:
(More customer reviews)Pros:
Triple interface with USB 2.0, eSATA, and FireWire 400 ports
Two FireWire 400 ports to support daisy-chaining devices
Relatively quiet, passively cooled design (i.e. no fans)
Automatically powers on/off with your machine, spins down when inactive
3-year warranty, vs. 1-year for the Western Digital 500GB My Book Essential 2.0
Cons:
No boot support for PowerPC-based Macs
Mac software not yet compatible with OS 10.5 (i.e. capacity gauge and power button do not presently work)
*Fixed - see my update, posted as a comment on this review, for details.*
Power button on rear rather than front
Summary:
I bought this drive primarily as a backup drive to be used with the built-in Time Machine backup program in Mac OS 10.5. Providing the pending ButtonManager software update works, I will have no reservations in recommending it for similar usage. Even without the capacity gauge and power button, I am relatively happy with the drive. You should be aware that this drive IS NOT BOOTABLE from PowerPC-based Macs (see WD Support Answer ID 1715), so if you were planning to do that, you need to look elsewhere. It is bootable from Intel-based Macs, though.
In Depth:
As a basic drive, it worked right out of the box. Macintosh installers for "WD Anywhere Backup" and a "ButtonManager" program that enables the capacity gauge and power button are included on the drive, along with documentation in PDF format. I'm using Time Machine and had no interest in the included backup software, so I can't speak to its quality. Installing the ButtonManager seemed to go smoothly. The installer even asks if you want to reformat the disk, and opens Disk Utility if you opt to do so. (See notes on formatting below.)
Upon rebooting, I was initially pleasantly surprised to find no extra processes running related to the ButtonManager... until I discovered that was only because it wasn't working. No capacity gauge, and the power button on the back does nothing. It turns out that the software is currently incompatible with OS 10.5, although on their website Western Digital has promised a fix by the end of January 2008 (WD Support Answer ID 1716). A company representative assured me that this was still the case at MacWorld 2008.
Apparently WD used a StartupItem, which were deprecated in 10.4 in favor of launchd - and no longer work at all in 10.5. Considering that this drive didn't become available until September of 2007 and that StartupItems have been officially deprecated since April 2005, the commitment to Mac compatibility could be stronger. If you are using 10.5, there is no reason to install the ButtonManager at present and the representative I spoke with at MacWorld actually suggested removing it if you did install it.
I don't mind the missing capacity gauge gimmick, but the power button is a bit annoying. After unmounting the drive, it goes into standby mode, but (short of unplugging the power) there is no way to turn it off completely. The only way to remount the drive is to unplug the power and then plug it back in. Being able to just press a button would be much more convenient. Hopefully, the updated software will resolve this issue.
The problem is somewhat mitigated by the drive's automatic power management features. The drive turns off when your computer shuts down or sleeps, and turns back on when your computer does. In addition, the drive spins down and goes into standby mode when it's inactive. Western Digital seems to have intended the drive to remain connected and "on" most of the time, which is reflected in the awkward placement of the (currently non-functional) power button on the back of the drive. For the most part this works, and is actually quite convenient, but there are still times, especially with a laptop, when actually being able to turn the drive off is important.
The somewhat unusual on-end vertical drive mounting results in a relatively small footprint for the case, although its volume is comparable to, if not greater than, that of most other cases. The drive has no fan and is pretty quiet normally, although I found its peak noise (when spinning up and during heavy use) to be slightly more than my other drives.
In my tests transferring a 5 GB folder, the drive averaged 16.42 MB/s write and 20.17 MB/s read using FireWire, and 10.56 MB/s write and 14.12 MB/s read using USB 2.0, making the FireWire interface worthwhile. The inclusion of dual FireWire ports with the ability to daisy-chain another device is also a big plus, especially on a laptop with a single FireWire port. Performance of a daisy-chained drive didn't suffer in my testing and, since the FireWire bus is self-powered, it works even when the My Book is unplugged from power. While I didn't have the ability to test it, the inclusion of eSATA should allow for high performance. Unfortunately, the documentation indicates that the drive's automatic power management features only work with the USB and FireWire interfaces. Also, while 4 foot long FireWire (6-pin to 6-pin) and USB (Type A to Mini) cables are included, eSATA cables have to be purchased separately. If your Mac has FireWire 800 - and performance is an issue, you may want to look into the similar Western Digital 500 GB My Book Studio Edition.
How to format the drive:
If you intend to use the drive with both Macs and PCs regularly, leaving the drive formatted as FAT32 is the best choice. However, if you plan on using the drive exclusively with Macs it should be formatted as HFS+, and this format is required to use Time Machine. Unfortunately, the included PDF documentation doesn't explain how to format the drive, and instead refers you to an online document (WD Support Answer ID 287) which is decent, but a bit out of date. While the WD Support article suggests partitioning the drive using an Apple Partition Map, this is no longer the best choice. If you have an Intel-based Mac, using the GUID Partition Table is a better choice as it allows you to boot from the drive. Since the My Book Home doesn't support booting from a PowerPC machine, there really isn't any reason to use APM unless you use Macs with an OS prior to 10.4.
Click Here to see more reviews about: Western Digital My Book Home Edition 500 GB USB 2.0/FireWire 400/eSATA Desktop External Hard Drive
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