Newegg.com has a Western Digital My Book Essential 500GB – USB 2.0 Instant Storage for $159.99 plus $8.14 Shipping.
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- Intelligent drive management features — The My Book drive turns itself on and off with your computer n
- Rotational Speed: 7,200 RPM (nominal) n
- Buffer Size: 16 MB n
- Average Latency: 4.20 ms (nominal) n
- Read Seek Time: 8.9 ms