The Seagate Momentus 5400.4 250GB really showed off the speed possible, even on a 5400RPM drive.  In Bjorn3D’s testing, it outperformed a Hitachi Travelstar 80GB 7200RPM.  The price is awfully close to several 320GB drives, but they will lack the speed of the Momentus.  If quick copying time and relatively economical drain on your battery are important to you, this may be perfect for your needs.

“Seagate blessed Bjorn3D this week with their newest and largest 2.5 inch hard drive, the Momentus 5400.4 RPM 250GB (3.0Gb/s). First impressions out of the box left me thinking it was going to be much slower than a 7200 RPM hard drive. Boy was I wrong. Way wrong. I noticed that the interface was faster than the 7200 RPM but I wasn’t sure how the RPM differences and interface differences would scale out. The Momentus 250GB hard drive is faster and is as quiet as the hard drive in my Dell Latitude 820 (TravelStar 7200 RPM 80GB 1.5Gb/s). These facts, and the 5 year warranty Seagate provides, make this a great buy if you are looking for a new drive.”

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