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<blockquote data-quote="cwa107" data-source="post: 400130" data-attributes="member: 24098">The 7200rpm notebooks drives are engineered to work in notebooks, so they should be fine.&nbsp; Whether there's a tangible difference in performance is another story.&nbsp; My only experience relates to an older Dell Inspiron 8200 notebook (P4/2.4GHz, 1GB RAM) that came with a 5400rpm drive originally.&nbsp; When the first 7200rpm drive came out (Hitachi Travelstar 7K60), all of the websites I frequented commented about how much faster it was than a 5400rpm drive in the 8200, so I paid the then steep price of $200 for the drive.&nbsp; Needless to say, I was underwhelmed.&nbsp; I couldn't detect a performance difference.Now, that was a few years ago (2003?) and 7200 rpm drives were bleeding edge at the time, so I don't know if they've been further refined over time.&nbsp; But in my opinion, unless you're really annoyed at the speed of your machine with the current 5400rpm drive, then save a few bucks and go with a 5400rpm drive. Also, I wouldn't worry about reliability - especially if you buy a Seagate drive as they have 5-year warranties (the Hitachi drive in my old Inspiron 8200 is still going strong - sold it to a friend a few years ago).To answer your other question - EIDE, ATA-100 and Ultra ATA are all terms that describe the older PATA (Parallel ATA) interface.&nbsp; ATA-150, ATA-300 describes the performance of the newer SATA (serial ATA) interface.I don't know the specifics of your machine, but if it's more than 3-4 few years old, it probably doesn't have SATA.</blockquote>

[QUOTE="cwa107, post: 400130, member: 24098"] The 7200rpm notebooks drives are engineered to work in notebooks, so they should be fine. Whether there's a tangible difference in performance is another story. My only experience relates to an older Dell Inspiron 8200 notebook (P4/2.4GHz, 1GB RAM) that came with a 5400rpm drive originally. When the first 7200rpm drive came out (Hitachi Travelstar 7K60), all of the websites I frequented commented about how much faster it was than a 5400rpm drive in the 8200, so I paid the then steep price of $200 for the drive. Needless to say, I was underwhelmed. I couldn't detect a performance difference. Now, that was a few years ago (2003?) and 7200 rpm drives were bleeding edge at the time, so I don't know if they've been further refined over time. But in my opinion, unless you're really annoyed at the speed of your machine with the current 5400rpm drive, then save a few bucks and go with a 5400rpm drive. Also, I wouldn't worry about reliability - especially if you buy a Seagate drive as they have 5-year warranties (the Hitachi drive in my old Inspiron 8200 is still going strong - sold it to a friend a few years ago). To answer your other question - EIDE, ATA-100 and Ultra ATA are all terms that describe the older PATA (Parallel ATA) interface. ATA-150, ATA-300 describes the performance of the newer SATA (serial ATA) interface. I don't know the specifics of your machine, but if it's more than 3-4 few years old, it probably doesn't have SATA. [/QUOTE]

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