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Power Requirements

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1:40 AM - 07/09/2008 by Patrick Schmid and Achim Roos

notebook hard drive

We already mentioned that Hitachi did a great job in creating the three platter Travelstar 5K500, which maintains almost the same power requirements as the 320GB two platter Travelstar 3K320: both require approximately 1 watt of power when idle and 3 watts when active. Samsung’s new 500GB drive disappointed, as it requires 1.3 W in idle and up to 3.6 W under load. These are power consumption numbers we’d expect for 7,200 RPM drives, but not for a new three-platter 2.5” 5,400 RPM model.

Talkback
Terry Kennedy 07/09/2008 8:17 AM
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The article says there is a 2.5" 320GB PATA drive - what is it? The largest I've seen is the WD2500BEVE.

danwat1234 07/09/2008 9:01 AM
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TYPO:: Your article mistakenly say Hitachi Deskstar when it should say; "Hitachi Travelstar", all throughout all the benchmark results...

Terry, I too have not heard of a laptop drive larger than 250GB that is PATA.

magicandy 07/09/2008 1:03 PM
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Samsung has now brought down the height back down to 9.5 mm at this capacity point.

-_-

hrodward 07/09/2008 1:29 PM
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Platters 2 3 3
shouldn't it be 2 for the Samsung?

and

Interface SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s
shouldn't it be 1.5 for the Samsung?

Anonymous 07/09/2008 6:02 PM
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Patrick and Achim,
try setting the drives to sata 1.5gbs instead of 3.0. the single drives do not need that much interface bandwidth, but the 3.0 interface uses more power.

cangelini 07/09/2008 6:29 PM
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Terry--you are absolutely correct. Reference fixed to reflect your observation.

Dan--We're fixing the charts right now and will have them updated as soon as they are ready.

Magic--Axed the redundant "down"

Hrod--according to the story's author Samsung's original launch documentation said 2 platters and 1.5 Gb/s. It has since been fixed and everything in the piece updated to reflect that the Spinpoint is actually a three-platter device with a 3 Gb/s interface.

Thank you for the feedback guys!

Anonymous 07/10/2008 2:38 AM
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Guys why arent these HDD's on the charts, they have been reviewed by you and are close to the 2nd and 3rd fastest disks...?

http://www.tomshardware.com/review [...] 776-8.html

Anonymous 07/10/2008 2:44 AM
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Luscious 07/10/2008 4:14 AM
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It would be nice if the Samsung drive wasn't such a power hog - I would love to have a fast 500GB drive in something like a HP mininote for using as a portable movie player. But getting 1.5TB raid 0 in a Clevo D900 now doesn't sound bad either...

ltcommander_data 07/12/2008 5:20 AM
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A nice detailed review as usual.

Any chance that you could do a review of 2.5" 7200rpm 320GB HDDs. I believe Hitachi, Seagate, Western Digital, and Samsung all have them now. I'm waiting for someone to do a comprehensive review before buying one to upgrade my laptop. I would think that Hitachi's might be the fastest given the performance of the 7k200, but I've been hearing good things about the WD 320GB Black so I guess we'll see.

Ivan X 09/23/2008 10:30 AM
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Two errors: the opening paragraph claims that Samsung's 500 GB drive uses two platters, when it actually uses three (however, the detail page for this product gets it right).

Also, 12.5mm was not the "initial" height of laptop drives -- there was a point in time when those were considered the slim ones, as there were 17mm and 19mm height drives before them (I used SCSI models in my PowerBook). Searching for "19mm laptop drive" will verify this.

MacUser 12/04/2008 7:38 AM
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How long do you think it will take for these issues to get worked out?
- Seeking the best performance 500GB drive for my MacBook Pro ASAP!

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