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Best energy saver: Hard disk? SSD?

X60/X61 series specific matters only.
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qeldroma
Posts: 5
Joined: Thu Feb 07, 2013 4:10 pm
Location: hamburg, germany

Best energy saver: Hard disk? SSD?

#1 Post by qeldroma » Tue Feb 12, 2013 11:20 am

Hi together,

does anybody know a good article on this?

I want to figure out, which way to store data will have the smallest footprint on my akku and i am very unsure. Only interest is energy, speed is not my concern.

Thoughts:
* Disks spin down and need low energy then
* SSD's always need some energy to "fresh up"
* Disks have mechanical parts that need lots of energy IF used

Is it possible, that a good actual harddisk in an office usage scenario can have less consumption than an ssd?
Remarkably?

Does anyone have a profound article or similar about that examination task?

Best regards
Florian

mikemex
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Joined: Mon Oct 04, 2010 8:54 pm
Location: Coyoacan, Mexico

Re: Best energy saver: Hard disk? SSD?

#2 Post by mikemex » Tue Feb 12, 2013 5:53 pm

SSD but must be a new model such as the Samsung 840 Pro. Older SSDs consume MORE power than mechanical drives.
Main: i5 3550, 16GB, Z68 Pro3 M, 64GB SLC, 320GB HD, GTX 650Ti, 21.5 FHD LED
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Cigarguy
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Joined: Thu Aug 09, 2012 3:08 pm
Location: Calgary, Alberta, Canada

Re: Best energy saver: Hard disk? SSD?

#3 Post by Cigarguy » Tue Feb 12, 2013 7:51 pm

An external HDD that is NOT plugged in to anything will consume nothing. Plug it in only when needed. Getting the "green" 5400 rpm drives will also help. I have two Hitachi external HDD that goes to sleep after 5 min and stays asleep until I call for it.

Fixed_Rider
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Joined: Thu Aug 16, 2012 12:15 pm
Location: Littleton, CO

Re: Best energy saver: Hard disk? SSD?

#4 Post by Fixed_Rider » Tue Feb 12, 2013 8:36 pm

+1 for the 840 series. I think I saw the SSD comparison on Tom's Hardware. I do not recall the exact numbers but the 840 had a fraction of the power draw that the others had.
I currently run an intel 330 series and there is zero seat of the pants difference in battery life over my old WD 640gb.
ThinkPads: T420 W520, X61, X61s, T61, T43p (SATA Mod by RBS) & iPhone 5

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