Discuss (35) -
Posted at 10:08 AM on Tuesday 08/25/09 by
Ben
Hotness UNHOT
Dell has the Western Digital Caviar Green 1.5TB SATA Hard Drive WD15EADS on sale for $100 with free shipping. Features a 32MB buffer, 100MBps internal data transfer rate, and is covered by a 3-year warranty. [Compare]
  • 1
    John2111 - Posted 10:15 am PDT 08/25/09 (492 Posts)  Report Spam

    I'd buy this if it came with an autographed picture of that Global Warming guy who invented the internet.

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  • 2
    Extragooey - Posted 10:21 am PDT 08/25/09 (91 Posts)  Report Spam

    You mean the legitimate 43rd president of the US? Smile

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  • 3
    gummy - Posted 10:25 am PDT 08/25/09 (624 Posts)  Report Spam

    First time I've seen the WD this low.

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  • 4
    sguy2130 - Posted 10:53 am PDT 08/25/09 (1031 Posts)  Report Spam

    I'd buy this if I wanted a good reliable storage drive from a great hard drive manufacturer that uses less power (meaning less heat for slow people), essentially giving me an ideal storage drive at a great price, but maybe that's just me.

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  • 5
    Kaelum - Posted 10:56 am PDT 08/25/09 (55 Posts)  Report Spam

    ...if i needed a drive i would totally get this. i love my WD WD10EADS.

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  • 6
    coffeedragon - Posted 10:59 am PDT 08/25/09 (77 Posts)  Report Spam

    I've got the 500gb version of this drive (two actually in mirrored RAID) and it is fantastic for raw storage, not so much for OS or applications but we all know that by now. This is a fantastic price for the 1.5gb version, I might pick up two and expand my RAID array.

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  • 7
    ChillyCat - Posted 11:13 am PDT 08/25/09 (50 Posts)  Report Spam

    these 5400 -or- 7200 ??

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  • 8
    scaht - Posted 11:18 am PDT 08/25/09 (276 Posts)  Report Spam

    Yes.

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  • 9
    coffeedragon - Posted 12:08 pm PDT 08/25/09 (77 Posts)  Report Spam

    I've got the 500gb version of this drive (two actually in mirrored RAID) and it is fantastic for raw storage, not so much for OS or applications but we all know that by now. This is a fantastic price for the 1.5gb version, I might pick up two and expand my RAID array.

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  • 10
    calaxa - Posted 12:21 pm PDT 08/25/09 (470 Posts)  Report Spam

    #7 It uses Intellipower aka variable rpm but most retailers list it as 7200 rpm

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  • 11
    mjc9885 - Posted 12:30 pm PDT 08/25/09 (37 Posts)  Report Spam

    I think I'd rather have 2 of these than the Seagate 2-pack posted earlier. Same price and I don't have to mess with firmware updates on these.

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  • 12
    bunda3 - Posted 12:48 pm PDT 08/25/09 (16 Posts)  Report Spam

    It looks like it has 4 platters (or more?) so it may not be the fastest HDD, but I think this would be a great value for a backup disk.

    I see it has 32MB Cache like Caviar Black... but does this have 2 microprocessors like the Caviar Black drives?

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  • 13
    CompWiz17 - Posted 1:09 pm PDT 08/25/09 (4902 Posts)  Report Spam

    ChillyCat wrote:
    these 5400 -or- 7200 ??


    closer to 5400.

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  • 14
    CompWiz17 - Posted 1:16 pm PDT 08/25/09 (4902 Posts)  Report Spam

    calaxa wrote:
    #7 It uses Intellipower aka variable rpm but most retailers list it as 7200 rpm


    Intellipower is not variable RPM. If a retailer lists it as 7200RPM, that is incorrect, and it's likely listed that way because they are copying from Western Digital's BS marketing, which is misleading.

    I could say that my hard drive spins at a speed that is between 5,000 RPM and 100,000 RPM. It's true, but it's misleading. That's exactly what WD is doing.

    If you look up the 1tb Western Digital GreenPower drive on newegg, you'll note that there is no RPM listed. Even if you look at the drive specs on WD's website for their GP 1tb drive, you won't see any RPM listed.

    Western Digital has been trying to cover up the lower invariable RPM for some time now. But, if you dig a little deeper into their website, you'll find this:

    Western Digital wrote:
    IntelliPower� - A fine-tuned balance of spin speed, transfer rate and cache size designed to deliver both significant power savings and solid performance. For each GreenPower drive model, WD uses a different, invariable RPM. Throughout the product line, RPM ranges between 5400 and 7200.

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  • 15
    CompWiz17 - Posted 1:20 pm PDT 08/25/09 (4902 Posts)  Report Spam

    According to latency calculations done by a review site, the actual rotational speed of their GP 1tb hard drive is right about 5400RPM.

    Here are comments on this from a few different reviews:

    silentpcreview.com wrote:
    For each GreenPowerâ„¢ drive model, WD may use a different, invariable RPM.


    storagereview.com wrote:
    Some folks have misinterpreted some admittedly vague specs on WD's website. Under "Rotational Speed," the manufacturer cites "IntelliPower (5400 to 7200 RPM)." This does not mean the drive dynamically changes its spindle speed during operation... indeed, such a feature would entail considerable mechanical engineering and would in many ways defeat the point -- rapidly accelerating and decelerating the spindle's speed would increase rather than decrease net power draw. Rather, the IntelliPower term indicates that the GP family as a whole does not have a set spindle speed (nor a set buffer size, for that matter). Different capacity points may feature differing spin speeds and buffer sizes. For those that must know, WD admits "sub-6000 RPM operation" for the 1-TB Caviar GP

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  • 16
    CompWiz17 - Posted 1:22 pm PDT 08/25/09 (4902 Posts)  Report Spam

    techreport.com wrote:
    Western Digital won't reveal the exact spindle speed of its GreenPower drives, saying only that they run somewhere between 5,400 and 7,200 RPM. Spindle speeds vary depending on capacities, too, although all GP drives at a given capacity run at the same speed. We've also confirmed that RE2-GP drives share the same spindle speeds as their like-capacity Caviar GP counterparts.


    You do lose quite a bit of performance from this. From the reviews I've looked at, the 1tb GreenPower drives are about 40-60% slower than, say, the Samsung F1 1tb drives.

    If, as you claim, the drive were to speed up to 7200RPM when there's a high load, it should get the same sustained read and write speeds as other hard drives with the same platter densities. Yet, it's significantly slower. This is because it's stuck spinning at 5400RPM.

    And, how do you think that varying the speed would save power? If you speed up the disk whenever there's a higher demand, you have to expend energy to accelerate the drive. This is a lot more energy than you use to just keep the platter spinning at a constant speed. So, varying the speed would likely result in more power usage, not less. Of course, it's hard to say for sure, since no hard drive manufacturer has done it yet, and it's unlikely to happen anytime soon.

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  • 17
    mowesh - Posted 2:05 pm PDT 08/25/09 (108 Posts)  Report Spam

    Oh gosh, if I was a chic, I would totally fall for CompWiz17. You're awesome dude - for cereal!

    You have the best advice/comments on the popular items. i love it. keep it up and thanks Smile

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  • 18
    mowesh - Posted 2:09 pm PDT 08/25/09 (108 Posts)  Report Spam

    Also, I would like to hear from you (CompWiz17) about the 2x 1.5TB pack from Dell for the Seagate 7200.11 if you got some free time.

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  • 19
    scaht - Posted 2:16 pm PDT 08/25/09 (276 Posts)  Report Spam

    You don't "lose" any performance on this, and it's not "stuck". It's meant for a different purpose. Yes, "green" drives are typically slower, which is what makes them "green". Not the best performing drive, but a great scondary/backup cooler-running drive... and Comp "Wiz", thanks for taking the time to verbosely repeat and convolute the experts that you quoted.... you were doing so well until you said something yourself...

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  • 20
    Riboflaven - Posted 2:20 pm PDT 08/25/09 (167 Posts)  Report Spam

    I agree scaht, these size green drives should only be used as storage/backup drives.

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