Western Digital External Hard Drive Speed




what is external Hard Drive RPM's this?

http://www.amazon.com/Western-Digital-Elements-External-WDE1UBK10000N/dp/B001JTQCU8/ref=sr_1_2?ie=UTF8&s=electronics&qid=1256608268&sr=1-2 i can not find anywhere. Overall, I think it's a good drive, but I want to know the speed RPM before buying …

7200 rpm