Western Digital Internal Use: Difference between revisions
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Revision as of 12:10, 5 November 2021
Western Digital Internal Use is a hard drive family created by Western Digital. The family is designed only for use within external USB enclosures sealed at the factory and sold to retail, though many, especially the 3.5" drives, are popularly targeted for "shucking" for use in desktops or NASes as an alternative to bare drives that are more expensive, despite being binned for purpose. The 3.5" drive models of this family are also unofficially known as Western Digital White Label drives within the shucking community, after the eponymous white label that all drives in this family bear, a significant departure to the colourful labels normally used by retail and OEM WD drives.
Although any drive with a customer code of 11 or 59 is usually labelled as a Internal Use drive due to being intended for external hard drives, they shall not be classified as such on this wiki if the drive model, without its 11 or 59 customer code, would be part of any other family. For example, a WD10SPZX-11Z10T0, despite being labelled as an Internal Use drive, would not qualify for this family, as the WD10SPZX-21Z10T0, with a different customer code, does not carry an Internal Use label, and instead a Blue one, making it part of that family instead.
History
The Western Digital Internal Use drives were introduced in 2018, as part of Western Digital's rebranding using the new logo, and was retroactively applied to all models made for external drives at the time. Previously, all Western Digital Internal Use models were either labelled as Blue, or not labelled in any colour nor family at all.
Current products
3.5" drives
Models that report as spinning at 5,400 RPM in ATA_IDENTIFY responses, despite actually spinning at 7,200 RPM, are marked as "5400 RPM class" in the table below. Many of these drives will require covering over the 3.3V third pin to prevent unintentional activation of SATA 3.3's Power Disable (PWDIS).
| Model | Capacity (TB) | Spindle speed (RPM) | Cache (MiB) | SMR? | Self-encrypting? | Family | Year released |
|---|---|---|---|---|---|---|---|
| WDC WD30EMAZ-xxZRJBx | 3 | 5,400 | 256 | Yes | No | Venice | 2018? |
| WDC WD30EDAZ-xxSLVBx | 3 | 5,400 | 256 | Yes | Yes | Venice | 2018? |
| WDC WD40EMAZ-xxTKPBx | 4 | 5,400 | 256 | Yes | Yes | Venice | 2018? |
| WDC WD40EMAZ-xxLW3Bx | |||||||
| WDC WD40EMAZ-xxZRJBx | |||||||
| WDC WD40EDAZ-xxSLVBx | 4 | 5,400 | 256 | Yes | Yes | Venice | 2018? |
| WDC WD60EMAZ-xxTKPBx | 6 | 5,400 | 256 | Yes | No | Venice | 2018? |
| WDC WD60EMAZ-xxLW3Bx | |||||||
| WDC WD60EDAZ-xxBMZBx | 6 | 5,400 | 256 | Yes | Yes | Venice | 2018? |
| WDC WD60EDAZ-xxU78Bx | VeniceR | ||||||
| WDC WD80EMAZ-xxTA3Ax | 8 | 7,200 (5,400 RPM class) | 256 | No | Yes | Vela-8 | 2018? |
| WDC WD80EMZZ-xxTGBAx | 8 | 5,640 | 128 | No | No | Avalon C5 | 2020 |
| WDC WD101EDBZ-xxB1DAx | 10 | 7,200 | 256 | No | Yes | Vela-AP | 2020 |
| WDC WD120EMAZ-xxBLFAx | 12 | 7,200 (5,400 class) | 256 | No | Yes | Leo-A He 12 | |
| WDC WD120EDBZ-xxB1HAx | 12 | 7,200 | 256 | No | Yes | Leo-A He 12 |
7,200 RPM 1.6-1.67 TB/platter CMR
These drives are replacements for models that reported 5,400 RPM despite spinning at 7,200 RPM below. Many of these drives will require covering over the 3.3V third pin to prevent unintentional activation of SATA 3.3's Power Disable (PWDIS).
5,400 RPM 2 TB/platter SMR
- WDC WD30EMAZ-xxZRJBx
- WDC WD30EDAZ-xxSLVBx
- WDC WD40EMAZ-xxTKPBx/WDC WD40EMAZ-xxLW3Bx/WDC WD40EMAZ-xxZRJBx
- WDC WD40EDAZ-xxSLVBx
- WDC WD60EMAZ-xxTKPBx/WDC WD60EMAZ-xxLW3Bx
- WDC WD60EDAZ-xxBMZBx/WDC WD60EDAZ-xxU78Bx
2.5" drives
5,400 RPM 1 TB/platter SMR
Historic models
3.5" drives
7,200 RPM 1.14-1.43 TB/platter helium CMR
These drives report as spinning at 5,400 RPM in ATA_IDENTIFY responses, despite actually spinning at 7,200 RPM. Many of these drives will require covering over the 3.3V third pin to prevent unintentional activation of SATA 3.3's Power Disable (PWDIS). Strangely, the EZAZ-suffix models use the Blue business unit letter, Z.
7,200 RPM 1.6-1.67 TB/platter CMR
These drives report as spinning at 5,400 RPM in ATA_IDENTIFY responses, despite actually spinning at 7,200 RPM. Many of these drives will require covering over the 3.3V third pin to prevent unintentional activation of SATA 3.3's Power Disable (PWDIS).
5,400 RPM 1.33 TB/platter CMR
This model was replaced with the 4 TB SMR models that remain in production.