
Are eco-friendly hard drives the next big thing for computer companies? Are they trying to save the environment, cash in on the growing buzz around eco-sensitivity or a little of both? While the jury remains out on that Western Digital, one of the most well known hard drive companies, has joined Kanguru in marketing a green hard drive for consumers and businesses.
The GreenPower Hard Drives are all internal drives which are available in capacities from 320GB to 1TB. The GreenPower Platform, as described by Western Digital, is geared towards delivering in these drives a savings of up to 40% in hard drive power consumption. Western Digital accomplishes this, it says, through several technologies. These include balancing spin speed, transfer rate and cache size; automatically unloading the heads during idle to reduce aerodynamic drag and calculating optimum seek speeds.
Western Digital says these new drives are geared towards being Energy Star 4.o compliant, meaning a trend towards minimizing a carbon footprint while realizing savings in electricity costs. WD provides, as an example, that a data center running "10,000 drives can save $100,000 in annual energy costs, and reduce CO2 emission by 600 metric tons." That would be quite an impact indeed if it proves to be true.
The first of these 1TB drives is shipping this month for the consumer My Book line of storage products. Drives for desktop computers, enterprise operations and consumer electronics devices will follow shortly thereafter.

written by ThePete, July 25, 2007
written by Ugoff, July 25, 2007
written by Héctor RamÃÂrez, July 25, 2007
written by fixorater, July 25, 2007
Thats just my 2 cents.
written by Mike Santini, July 25, 2007
Every MyBook i've encountered was very loud. I really like my LaCie :D
written by Steve Rosebush, July 25, 2007
I wasn't too impressed with the speeds I was getting with the device using SMB, maybe something to do with the speed of the embedded processor. Even running on a direct gigabit crossover link to my Macintosh was slow.
I went ahead and installed netatalk (AFP, Apple's Filing Protocol for Linux) since I primarily am using this NAS with my Macs. Now that I am using AFP I am noticing a better throughput to the NAS, however it's not as fast as I would like it to be, I can copy files over quicker between my MacBook and iMac.
However in my setup, being in a RAID1 configuration for primarily backups of my Macs that run at night, this NAS is ideal.
No problems with interference with mobile devices, I still get full bars both on my phone and my HSPDA card while working around this device.
It's not bad, however it's not my first choice. I would have gone with something else.
By the way, if you choose to enable SSH on the device, and you don't use the WDAnywhere service, go and turn it off in the /etc/init.d startup scripts. Not having this running frees up some resources and you will benefit from it.
written by Steve Rosebush, July 25, 2007
I'm not sure if this drive is really eco friendly, maybe my setup is not allowing the drives to spin down however the fan is insanely loud on this device and it seems like the drives never spin down. I've only heard them spin down like once or twice in the past and only for a minute or so.
Luckily I am a heavy sleeper, otherwise I wouldn't be able to sleep around this thing, added onto the noise of my home server and Cisco router. :/
written by Corrado Busetto, July 25, 2007
8b (bit)= 1B (byte)
1024B = 1KB (kilobyte)
1024KB = 1MB (megabyte)
1024MB = 1GB (1gigabyte)
1024GB = 1TB (1terabyte)
this is because 1024 is = 2^10
written by lar3ry, July 26, 2007
Thus, 1000B = 1KB
1000K = 1MB
1000M = 1GB
1000G = 1TB
You lose approximately .2% at each jump. You get even less when you take into consideration that these are UNFORMATTED sizes. Thus, that 250 GB drive you purchase will only give you 239 GB formatted (using 2^10 units, as a computer would display).
written by Bob/Paul, July 26, 2007
When computers calculate the size, 1024 is indeed use because computers work in binary, as Corrado pointed out. However, HD manufacturers have always worked using the standard metric names. This is why that new 512GB drive you just bought shows up as only as 476.8GB. No, you didn't loose 35.2GB, it's just there are 2 definitions of giga-.
(512,000,000,000 / (3*1024) = 476.8)
written by none, July 26, 2007
written by nona, July 26, 2007
Also: officially, 1000^4 bytes is a terabyte, and 1024^4 is a tebibyte.
written by Kyle, July 26, 2007
written by mahalie, July 26, 2007
written by Corrado Busetto, July 26, 2007
thanks again
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