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Western Digital My Book Essential Edition External Hard Drive (320GB) comparison

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Product name

Western Digital MyBook Premium Edition 500GB External Hard Drive

Western Digital MyBook Premium Edition 500GB External Hard Drive
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Western Digital My Book Premium Edition 320GB External Hard Drive

Western Digital My Book Premium Edition 320GB External Hard Drive
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SimpleTech Signature Mini (320GB, red)

SimpleTech Signature Mini (320GB, red)
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Price $79 at 1 store $119 to $209 at 5 stores $165 to $349 at 2 stores $106 to $119 at 2 stores $114 to $184 at 16 stores
CNET editors' rating
Not yet rated
3.5 stars Very good
Not yet rated
3.5 stars Very good
4.0 stars Excellent
Average user rating 3.0 stars out of 6 reviews 2.0 stars out of 56 reviews 2.0 stars out of 44 reviews 2.0 stars out of 7 reviews 2.5 stars out of 3 reviews
Release date March 17, 2006 March 08, 2006 March 23, 2006 March 08, 2006 February 21, 2008
The Bottom Line The Western Digital MyBook Essential Edition external hard drive is a slightly pared-down version of the MyBook Premium Edition. It's a good option if you need additional storage without backup software. If write speed isn't a top priority, the Western Digital MyBook is a good deal at around $300 for a 500GB drive. It'll look good on your desk or bookshelf, too. The Western Digital MyBook Essential Edition external hard drive is a slightly pared-down version of the MyBook Premium Edition. It's a good option if you need additional storage without backup software. If write speed isn't a top priority, the Western Digital MyBook is a good deal at around $300 for a 500GB drive. It'll look good on your desk or bookshelf, too. The SimpleTech Signature Mini Black Cherry is a compact, USB-only external hard drive that will tempt you with its sleek design, and then win you over with its capacity, performance, and price.

Basic specs

Features See What's the Same or What's different
Spindle speed 7200 rpm
7200 rpm
7200 rpm
7200 rpm
5400 rpm
Average Latency 4.2 ms
4.2 ms
4.2 ms
4.2 ms
Info unavailable
Average seek time 8.9 ms
8.9 ms
8.9 ms
8.9 ms
Info unavailable
Track-to-Track Seek Time 2 ms
2 ms
2 ms
2 ms
Info unavailable
Hard drive size 320 GB
500 GB
500 GB
320 GB
320 GB
Weight 2.9 lbs
2.9 lbs
2.9 lbs
2.9 lbs
Info unavailable
Device Type Hard drive
Hard drive
Hard drive
Hard drive
Hard drive
Form factor Info unavailable Info unavailable Info unavailable Info unavailable 2.5"
Interface type Hi-Speed USB
IEEE 1394 (FireWire) / Hi-Speed USB
Hi-Speed USB
IEEE 1394 (FireWire) / Hi-Speed USB
Hi-Speed USB
OS Required Microsoft Windows Vista / 2000 / XP
Apple MacOS X 10.3 or later
Microsoft Windows Millennium Edition
Microsoft Windows XP
Microsoft Windows 98 Second Edition
Apple MacOS X 10.2.8 or later
Microsoft Windows 2000
Microsoft Windows 2000 / XP
Microsoft Windows Vista
Apple MacOS X 10.3 or later
Microsoft Windows Millennium Edition
Microsoft Windows XP
Microsoft Windows 98 Second Edition
Apple MacOS X 10.2.8 or later
Microsoft Windows 2000
Apple MacOS X
Microsoft Windows Vista / 2000 / XP
Apple MacOS X 10.3 or later
Manufacturer Warranty