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bigsale
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Skip the "Green" Hard Drives If You're Trying to Save Power bigsale Feb 2nd, 11, 05:25 PM #1



There are a lot of "green" hard drives out there, which claim to be low-power, low-noise, low-heat, and low-cost. Sadly, they don't save quite as much power as they claim, and here's why.

There isn't anything wrong with buying a low-powered drive—after all, we used one in our second Hackintosh build. While drives like the Western Digital Caviar Green are a bit cheaper than their faster counterparts (since they only run at 5400RPM), the "power saving" promise falls short, as they only save you a few watts. Ars Technica explains:

In terms of cost, using a green hard drive compared to a normal one makes very little difference. Assuming your drive spends 4 hours reading and writing and 20 hours idle per day, switching from the WD Black to Green saves you only 45 kilowatt-hours per year. The national average cost of a kilowatt-hour is 11.93 cents, netting you a whopping $5.38 per year for your sacrifice of 1800 RPM. For comparison, changing one 60-watt lightbulb used 4 hours a day to a 7-watt fluorescent one saves you more, about $9.23 per year.

If you're installing a drive into an HTPC, they're probably a good choice since they are a bit quieter and cooler than other drives, and you don't need the drive performance anyways. But if you're building something you'll actually be computing on, you won't be saving any power or money with the green drive—you'll just be slowing your machine down (albeit at a somewhat lower upfront cost). Hit the link to read more.

Skip the "Green" Hard Drives If You're Trying to Save Power


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Niceone
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Niceone Feb 2nd, 11, 06:12 PM #2
Actually it's worse than that:
Eco-drives are slower than their counterparts..so to write/read same amount of data it takes more time. So regular hard drives idle more than Eco-drives and thus this makes that wattage gap smaller.
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Entropy
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Entropy Feb 2nd, 11, 06:28 PM #3
CHEAPER??!?! WAHAHAHAAHAA

Hitachi 7200rpm 1TB costs $25 cheaper than WD green 5400rpm 1TB.

Its not only slower but marginally quieter and now proven not to be as power efficient.

Talk about marketing conning the world. Reminds me of the fruit company.
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wwenze Feb 2nd, 11, 06:28 PM #4
But hey, it's quieter and cheaper.

Just bought the WD Green 5400rpm 1TB for $77, the Hitachi one costs $52 show me?
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Entropy Feb 2nd, 11, 06:33 PM #5
Quote:
Originally Posted by wwenze View Post
But hey, it's quieter and cheaper.

Just bought the WD Green 5400rpm 1TB for $77, the Hitachi one costs $52 show me?
Hitachi 1TB drives have been $60+ for the past few weeks. WD green drives in Singapore have always cost more than all other brands.

For the past few years, consumers in Singapore have been hoodwinked by "GREEN".

What do you mean by "cheaper"
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Last edited by Entropy; Feb 2nd, 11 at 06:35 PM..
wwenze
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wwenze Feb 2nd, 11, 06:35 PM #6
Well I wanted Samsung F2 but it was sold out, F3 available for same price but loud lar.

But hey, there's the example - F3 faster than WD Green and cheaper too.
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Entropy Feb 2nd, 11, 06:37 PM #7
Quote:
Originally Posted by wwenze View Post
Well I wanted Samsung F2 but it was sold out, F3 available for same price but loud lar.

But hey, there's the example - F3 faster than WD Green and cheaper too.
Most drives are cheaper than WD Green in Singapore btw.

The only drives that cost more than WD Green are ironically WD Blues which are basically non power saving and non quiet drives.

So WD sells its non-green drives even higher than green drives which already cost more than other brands of performance HDDs.
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wwenze Feb 2nd, 11, 06:41 PM #8
Or you can look at it another way - green drives from the same company are cheaper than non-green from the same company.
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lennardseah Feb 2nd, 11, 06:43 PM #9
finally an article disproving the ecodrive=good myth
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lennardseah Feb 2nd, 11, 06:43 PM #10
i'm even going to sticky this for a month
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Thanks for this useful post: Feb 9th, 11, from orbvius, Feb 2nd, 11, from terence52
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p|sangp|sang Feb 2nd, 11, 06:55 PM #11
hah finally some real article on the 'green' gimmick
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sentinel011 Feb 2nd, 11, 06:59 PM #12
I hate green drives; sometimes they're even hotter than my old hitachi or seagate drives.
CPU: Intel i5 2500k cooled by Coolit Eco ALC
Mainboard: Asus Maximus IV Gene-Z
RAM: G.Skill Ripjaws X DDR3 1600mhz CL9 2x4GB
GFX: MSI GTX560Ti Twin Frozr II
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HDD: Internal ADATA 510 120GB SATA3 SSD , 2TB Samsung F4 Spinpoint , Seagate Barracuda 7200.10 HDD: External 1TB 3.5" Western Digital Elements, 160GB 3.5" Maxtor Basics, 320GB 2.5" Western Digital Elements
Chassis: Soldam WiNDy Altium FSR2000RS Caribbean Red
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Mouse+Peripherals: Logitech G500 Gaming Mouse; Steelseries Sensei; Steelseries QcK; Razer Exactmat
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wwenze Feb 2nd, 11, 07:21 PM #13
Quote:
Originally Posted by sentinel011 View Post
I hate green drives; sometimes they're even hotter than my old hitachi or seagate drives.
So how're you liking your F4?
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watzup_ken Feb 2nd, 11, 08:12 PM #14
Come to think of it, this article do make a lot of sense. The bulb comparison is actually very good. Anyway fast drive consumes more power, but spends more time at idle since they load up faster. Slow drive consumes less power, but loads significantly slower, thus, they are always in active mode. Furthermore, the experience with WD Caviar Green wasn't that great considering that it sort of powers down, and when you double click on it on "My Computer" if you have not used it, it takes a while for it to spin up and respond to your action. Also, it is not as cheap since the average 1TB is going for around 70+ bucks as well. So in actual fact, you are paying more for less. I think true lower power drives will be 2.5 inch 7200rpm drives since I think they do consume less power, and is just slightly slower than the average 3.5 inch 7.2K rpm drives.
Apprentice Mac OS X and Windows user.
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dr_disciple Feb 2nd, 11, 08:20 PM #15
This is a known fact long time ago. The fact that it is still a very popular choice is all because of it's cost efficiency.

RE4 anyone?
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