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WD Unleashes World's Thinnest 2.5-inch HDD

By - Source: TechPowerUp | B 10 comments

WD has announced the arrival of the world's first 5 mm 2.5" hard drive.

Back in February we showed you a rumor regarding WD's 5 mm thin hybrid hard drives, and now WD has delivered.

Two versions will be hitting the market, currently only in 500 GB variants. For starters, a plain hard drive will arrive. It is the WD5000MPCK, otherwise known as the WD Blue 5 mm ultra slim drive. Due to its thinness, it should be very appropriate for use in ultrabooks and ultraportables, unlike thicker 7 mm or 9.5 mm 2.5" hard drives, which are too bulky and take up too much room.

The second version that will arrive is the WD Black SSHD. While little has been detailed about it, we know that it'll come in at least a 500 GB version and carry a bit of onboard NAND to act as a caching SSD. The amount of NAND memory remains unknown, but the rumor from February indicated that it would carry around 24 GB.

These two drives will also be some of the first that will feature the SFF-8784 edge connector.

MSRP pricing for the 500 GB 5 mm 2.5" WD Blue drive will be $89, with no word yet on pricing for the WD Black SSHD models.

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  • 5 Hide
    Gundam288 , April 23, 2013 4:16 PM
    The question is tho: How durable are they?
  • 0 Hide
    dalethepcman , April 23, 2013 4:40 PM
    I have been waiting for a cachable hdd/ssd combo that has a respectable amount of flash. The seagates while fine for the standard consumer / office user segment, do very little for workstation type workloads.
  • 6 Hide
    southernshark , April 23, 2013 4:57 PM
    This is a neat product. I wonder if anyone will put one in a tablet? I imagine so right?
  • Display all 10 comments.
  • 5 Hide
    anonymous_user , April 23, 2013 5:07 PM
    I wonder if the 5mm height would allow for lighter laptops to have multiple drives.
  • 2 Hide
    guerrero , April 23, 2013 5:09 PM
    The question is tho: How durable are they?

    People dont have them yet so your going to have to wait a while
  • 2 Hide
    cpatel1987 , April 23, 2013 6:16 PM
    @southernshark: I wouldn't want that in a tablet, its still part mechanical. I see a tablet as a device that will have induce more movement, wear and tear while its operating than say a laptop.
  • -2 Hide
    ipwn3r456 , April 23, 2013 7:02 PM
    So I guess there is only 1 platter due to it's very thin size?
  • 0 Hide
    InvalidError , April 23, 2013 10:11 PM
    This is a neat product. I wonder if anyone will put one in a tablet? I imagine so right?

    Two words: gyroscopic forces.

    A tablet is very lightweight which makes it easy for people to suddenly turn it around. The strain this would put on the platter would be pretty harsh. The platter would likely be thin enough to bend in the process and this would add its own lot of potential complications. If you suddenly turned a HDD-based tablet in a direction perpendicular to the rotation plane (something you are unlikely to do with a laptop but fairly likely to do with a tablet), you could probably cause the platters to rip right off the spindle or cause enough platter wobble to rip the head off.

    It may land in all-in-ones, ultrabooks and other compact form factors but I doubt these drives will make it into tablets. A 1.5-1.8" variant on the other hand would be much less susceptible to those mechanical stresses and could be viable for tablets.
  • 0 Hide
    Arbie , April 24, 2013 7:57 AM
    "Unleashes"? Overwrought, and a tiring style that wears out the language.
  • 0 Hide
    g00fysmiley , April 25, 2013 6:09 AM
    cool, I am in agreement tat it is liekly not meant for a tablet due to the fragile nature of mechanical drives... but i would love to see things liek the transformer tabs and keboard docs to have extended storage and a hdd this slim woudl fit the bill.