Western Digital last week introduced several new members to its My Passport family of external hard drives. The new portable external HDDs can store up to 4 TB of data, an improvement over previous-gen portable storage solutions from the company. The new drives are based on the WD’s new 2.5”/12.5 mm HDD platform which uses high-capacity platters.

Like the other Western Digital’s My Passport HDDs, the new models feature a USB 3.0 interface and come with automatic WD Backup software. The drives also have hardware AES-256 encryption. As for visual aesthetics, the design of the new 4 TB My Passport drives remained the same as that of the latest generation.

While the update looks fairly regular, it is important what is inside these new 4 TB drives. Western Digital traditionally does not disclose a lot of technical specifications of its external HDDs, such as spindle speeds or cache sizes. However, what the company did confirm is that the new My Passport 4 TB HDDs are based on 2.5”/12.5 mm hard drives featuring four 1 TB platters. We believe these should be based on either PMR or SMR technology. 2.5” SMR platters of such capacities are not something brand new in general because Seagate has been using them for several months but it would be noteworthy if Western Digital has started to use them for commercial products. Besides, the company has a platform that can house four of such platters, thus enabling 4 TB 2.5”/12.5 mm HDDs.

List of WD’s My Passport Drives with 4 TB Capacity
Brand   Model Interface Compatibility Color
My Passport Ultra WDBBKD0040BBK USB
3.0/2.0
Windows/Mac Black
WDBBKD0040BBL Blue
WDBBKD0040BWT White
WDBBKD0040BBY Purple
My Passport Ultra Metal WDBEZW0040BSL Silver
WDBEZW0040BBA Blue
My Passport for Mac WDBCGL0040BSL Silver/Black

Western Digital stresses that it has not announced any internal 4 TB 2.5”/12.5 mm hard drives for consumer or other devices, which is perhaps not surprising given that mainstream notebooks use 7 mm and 9.5 mm drives. Nonetheless, formally Western Digital has the highest-capacity commercial 2.5”/12.5 mm HDD on the planet. Last year Seagate released its Samsung Spinpoint M10P HDD 4 TB HDD in 2.5"/15 mm form-factor, which has been exclusively used inside the Samsung M3 and P3 portable external hard drives.

Western Digital’s new My Passport Ultra 4 TB external HDD is already available from the company’s online store and from select retailers and distributors for $159.99. Next quarter the company plans to start selling its more expensive My Passport Ultra Metal and My Passport for Mac external HDDs with 4 TB capacity.

Source: Western Digital

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  • CoreyWat - Wednesday, July 06, 2016 - link

    Why didnt they use USB C? or atleadt have the option for USB C to USB 3.0 Reply
  • TheinsanegamerN - Wednesday, July 06, 2016 - link

    Most likely because this is a older product with a new drive thrown in, not a new product.

    And what difference does it make? mini usb 3 to usb 3 A or type c to usb 3 A, you still need a converter cable.
    Reply
  • noealo - Wednesday, July 06, 2016 - link

    USB type C ports are much more reliable than USB 3.0 micro the long length of the connector makes connections unreliable and the cable prone to getting tilted within the socket. I've had tons of ports with issues staying connected from every mfg good, bad. It definitely is just a crappy connector design and is probably why samsung stopped using the 3.0 micro connector and switched back to 2.0 micro.

    USB type C provides 3.0/3.1 connectivity in a more mechanically robust connector.
    Reply
  • grant3 - Thursday, July 07, 2016 - link

    Rumour has it that some laptops come with USB-C.

    It's the wave of the future, my friend!
    Reply
  • noealo - Wednesday, July 06, 2016 - link

    Cost is probably one thing and they are probably just running down their massive stock of micro 3.0 connectors before they switch to type C. Reply
  • Captain_WD - Thursday, July 07, 2016 - link

    Hey guys :)

    USB Type C is still not widely spread and only the newer motherboard and other devices have such ports so having the regular USB3.0 Micro-B makes the device more usable for wider range of devices.
    The speed difference between the different types of connection doesn't really matter as the drive itself can't really reach the full bandwidth of the connections.

    Feel free to ask if there are other questions! I would be happy to provide any info that's publicly available. :)

    Captain_WD.
    Reply
  • TheinsanegamerN - Wednesday, July 06, 2016 - link

    Backing up my home RAID array just got much easier. Reply
  • name99 - Thursday, July 07, 2016 - link

    You are, of course, welcome to use whatever drives you like. BUT

    - Seagate had a 2.5" 4TB drive out months ago. So it wasn't like we were all waiting for this form factor.

    - For backup of a large array (especially if you are using a time-line backup system like TimeMachine), why not buy an 5, 6 or 8TB drive in 3.5"? You'll get more capacity for your dollar, and have backups going back further in time. Of course a 3.5" solution means more space and an external power supply, but for your use case that seems acceptable.
    Reply
  • icrf - Wednesday, July 06, 2016 - link

    I know Seagate bought Samsung HDD, but seeing "Seagate released its Samsung Spinpoint M10P HDD 4 TB HDD" still feels odd. They really didn't kill the branding, and old parent Samsung Group is okay with that? Reply
  • HomeworldFound - Wednesday, July 06, 2016 - link

    If I were Samsung I wouldn't be happy, Seagate uses the Samsung brand to sell their worst products. Reply

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