Here are all the models currently in the database for these WD drive families. Entries are sorted into sections based on platter density.

Some tips:

Drives using odd sizes are sorted into whatever size category that's closest. For example, drives using 150GB platters are sorted into the 160GB/platter section, and drives using 200GB platters are sorted into the 250GB/platter section.
The total capacity of the drive is shown beside each drive model.
A platter-head ratio is shown next to the total capacity tag in brackets. For example, a drive with a (1/2) ratio has one disk and two read/write heads. Drives that leave some amount of their platters unused in order to fit into a certain capacity (such as a 320GB drive based on a 500GB platter and two heads, which would have ~180GB space unusable) are marked as [short-stroked] next to the platter-head ratio accordingly.
Any special features (increased rotational speed, interface types, unusual platter designs and stuff like that) are noted where necessary.
The WD Reds are, essentially, Caviar Greens loaded with NAS-worthy firmware and some other tweaks to make them more suitable for such 24/7 jobs. The Purples appear to be the same, but tuned for surveillance systems.


This section was last updated on 03/09/2017.



600GB/platter Section (all drives under here use platters that can hold 600GB of data apiece.)

Red Pro (7200RPM, 64MB cache, SATA-600 interface)

WD2001FFSX-68JNUN0 2TB (4/8 [short-stroked])
WD3001FFSX-68JNUN0 3TB (5/10)



800GB/platter Section (all drives under here use platters that can hold 800GB of data apiece.)

Red Pro (7200RPM, 64MB cache, SATA-600 interface)

WD4001FFSX-68JNUN0 4TB (5/10)



1TB/platter Section (all drives under here use platters that can hold 1TB of data apiece.)

Red (5400RPM, 64MB cache, SATA-600 interface)

WD10EFRX-68JCSN0/68PJCN0 1TB (1/2)
WD20EFRX-68AX9N0/68EUZN0 2TB (2/4) OR (3/6 [667GB+/platter])*
WD30EFRX-68AX9N0/68EUZN0 3TB (3/6)
WD40EFRX-68WT0N0 4TB (4/8)
WD50EFRX-68MYMN1 5TB (5/10)
*WD being annoying by introducing inferior drives into the market without changing the model code. Just like the new Seagate 2TB drives, be prepared to roll the dice if you purchase one of these online. You'll either get the slower three-platter variant (which weighs around 640 grams) or the "perfect" (lighter) two-platter one, at least until WD gets its 1TB platter production up to spec.


Purple (5400RPM, 64MB cache, SATA-600 interface, for surveillance applications)

WD10PURX-64D85Y0 1TB (1/2)
WD20PURX-64P6ZY0 2TB (2/4)
WD30PURX-64P6ZY0 3TB (3/6)
WD40PURX-64GVNY0 4TB (4/8)



1.2TB/platter Section (all drives under here use platters that can hold 1.2TB of data apiece.)

Red (5400RPM, 64MB cache, SATA-600 interface)

WD60EFRX-68MYMN0/68TGBN1 6TB (5/10)



1.33TB/platter Section (all drives under here use platters that can hold 1.33TB of data apiece.)

Red (5400RPM, 64MB cache, SATA-600 interface)

WD40EFRX-68N32N0 4TB (3/6)


Posted by RML527 at 1:52 PM
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