Here are all of the models currently in the database for this manufacturer, drive width, and category. Entries are sorted into sections based on platter density, and then manufacturer drive family.

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.


This section was last updated on 07/07/2015.



80GB/platter Section (all drives under here use platters that can hold 80GB of data apiece.)

Barracuda 7200.7 (7200RPM, ATA-100 interface)

ST340014A 40GB (2MB Cache) (1/1)
ST360014A 60GB (2MB Cache) (1/2 [short-stroked])
ST380011A 80GB (2MB Cache) (1/2)
ST380013A 80GB (8MB Cache) (1/2)
ST3120022A 120GB (2MB Cache) (2/3)
ST3120026A 120GB (8MB Cache) (2/3)
ST3160021A 160GB (2MB Cache) (2/4)
ST3160023A 160GB (8MB Cache) (2/4)


Barracuda 7200.7 (7200RPM, SATA-150 interface)

ST340014AS 40GB (2MB Cache) (1/1)
ST340111AS 40GB (8MB Cache) (1/1)
ST380011AS 80GB (2MB Cache) (1/2)
ST380013AS 80GB (8MB Cache) (1/2)
ST380817AS 80GB (8MB Cache) (1/2)
ST3120022AS 120GB (2MB Cache) (2/3)
ST3120026AS 120GB (8MB Cache) (2/3)
ST3120827AS 120GB (8MB Cache) (2/3)
ST3160021AS 160GB (2MB Cache) (2/4)
ST3160023AS 160GB (8MB Cache) (2/4)
ST3160827AS 160GB (8MB Cache) (2/4)



100GB/platter Section (all drives under here use platters that can hold 100GB of data apiece.)

Barracuda 7200.7 (7200RPM, ATA-100 interface)

ST3200021A 200GB (2MB Cache) (2/4)
ST3200822A 200GB (8MB Cache) (2/4)


Barracuda 7200.7 (7200RPM, SATA-150 interface)

ST3200822AS 200GB (8MB Cache) (2/4)



120-133GB/platter Section (all drives under here use platters that can hold 120-133GB of data apiece.)

Barracuda 7200.8 (7200RPM, ATA-100 interface)

ST3200826A 200GB (8MB Cache) (2/3)
ST3250823A 250GB (8MB Cache) (2/4)
ST3250623A 250GB (16MB Cache) (2/4)
ST3300831A 300GB (8MB Cache) (3/5 [short-stroked])
ST3300631A 300GB (16MB Cache) (3/5 [short-stroked])
ST3400832A 400GB (8MB Cache) (3/6)
ST3400632A 400GB (16MB Cache) (3/6)


Barracuda 7200.8 (7200RPM, SATA-150 interface)

ST3200826AS 200GB (8MB Cache) (2/3)
ST3250823AS 250GB (8MB Cache) (2/4)
ST3250623AS 250GB (16MB Cache) (2/4)
ST3300831AS 300GB (8MB Cache) (3/5 [short-stroked])
ST3300631AS 300GB (16MB Cache) (3/5 [short-stroked])
ST3400832AS 400GB (8MB Cache) (3/6)
ST3400632AS 400GB (16MB Cache) (3/6)


Barracuda 7200.9 (7200RPM, ATA-100 interface)

ST3402111A 40GB (2MB Cache) (1/1 [short-stroked])
ST3802110A 80GB (2MB Cache) (1/2 [short-stroked])
ST3120213A 120GB (2MB Cache) (1/2)
ST3120814A 120GB (8MB Cache) (1/2)
ST3200827A 200GB (8MB Cache) (2/3)
ST3250824A 250GB (8MB Cache) (2/4)
ST3250624A 250GB (16MB Cache) (2/4)
ST3320833A 320GB (8MB Cache) (3/5 [short-stroked])
ST3320633A 320GB (16MB Cache) (3/5 [short-stroked])
ST3400833A 400GB (8MB Cache) (3/6)
ST3400633A 400GB (16MB Cache) (3/6)
ST3500841A 500GB (8MB Cache) (4/8)
ST3500641A 500GB (16MB Cache) (4/8)


Barracuda 7200.9 (7200RPM, SATA-300 interface)

ST3402111AS 40GB (2MB Cache) (1/1 [short-stroked])
ST340211AS 40GB (2MB Cache) (1/1 [short-stroked])
ST3802110AS 80GB (2MB Cache) (1/2 [short-stroked])
ST3808110AS 80GB (8MB Cache) (1/2 [short-stroked])
ST380211AS 80GB (2MB Cache) (1/2 [short-stroked])
ST380811AS 80GB (8MB Cache) (1/2 [short-stroked])
ST3120213AS 120GB (2MB Cache) (1/2)
ST3120813AS 120GB (8MB Cache) (1/2)
ST3120211AS 120GB (2MB Cache) (1/2)
ST3120811AS 120GB (8MB Cache) (1/2)
ST3200827AS 200GB (8MB Cache) (2/3)
ST3250824AS 250GB (8MB Cache) (2/4)
ST3250624AS 250GB (16MB Cache) (2/4)
ST3400833AS 400GB (8MB Cache) (3/6)
ST3400633AS 400GB (16MB Cache) (3/6)
ST3500841AS 500GB (8MB Cache) (4/8)
ST3500641AS 500GB (16MB Cache) (4/8)


DiamondMax 20 (7200RPM, ATA-100 interface)

STM3402111A 40GB (2MB Cache) (1/1 [short-stroked])
STM380211A 80GB (2MB Cache) (1/2 [short-stroked])


DiamondMax 20 (7200RPM, SATA-300 interface)

STM340211AS 40GB (2MB Cache) (1/1 [short-stroked])
STM380211AS 80GB (2MB Cache) (1/2 [short-stroked])
STM380811AS 80GB (8MB Cache) (1/2 [short-stroked])



160-188GB/platter Section (all drives under here use platters that can hold 160-188GB of data apiece.)

Barracuda 7200.9 (7200RPM, ATA-100 interface)

ST3160212A 160GB (2MB Cache) (1/2)
ST3160812A 160GB (8MB Cache) (1/2)
ST3300822A 300GB (8MB Cache) (2/4 [short-stroked])
ST3300622A 300GB (16MB Cache) (2/4 [short-stroked])


Barracuda 7200.9 (7200RPM, SATA-300 interface)

ST3160212AS 160GB (2MB Cache) (1/2)
ST3160812AS 160GB (8MB Cache) (1/2)
ST3160211AS 160GB (2MB Cache) (1/2)
ST3160811AS 160GB (8MB Cache) (1/2)
ST3300822AS 300GB (8MB Cache) (2/4 [short-stroked])
ST3300622AS 300GB (16MB Cache) (2/4 [short-stroked])


DiamondMax 20 (7200RPM, ATA-100 interface)

STM3160212A 160GB (2MB Cache) (1/2)


DiamondMax 20 (7200RPM, SATA-300 interface)

STM3160211AS 160GB (2MB Cache) (1/2)
STM3160811AS 160GB (8MB Cache) (1/2)


Barracuda 7200.10 (7200RPM, ATA-100 interface)

ST340215A 40GB (2MB Cache) (1/1 [short-stroked])
ST340815A 40GB (8MB Cache) (1/1 [short-stroked])
ST380215A 80GB (2MB Cache) (1/1)
ST380815A 80GB (8MB Cache) (1/1)
ST3120215A 120GB (2MB Cache) (1/2 [short-stroked])
ST3120815A 120GB (8MB Cache) (1/2 [short-stroked])
ST3160215A 160GB (2MB Cache) (1/2)
ST3160815A 160GB (8MB Cache) (1/2)
ST3200820A 200GB (8MB Cache) (2/3 [short-stroked])
ST3250820A 250GB (8MB Cache) (2/3)
ST3250620A 250GB (16MB Cache) (2/3)
ST3300820A 300GB (8MB Cache) (2/4 [short-stroked])
ST3300620A 300GB (16MB Cache) (2/4 [short-stroked])
ST3320820A 320GB (8MB Cache) (2/4)
ST3320620A 320GB (16MB Cache) (2/4)
ST3500830A 500GB (8MB Cache) (3/6)
ST3500630A 500GB (16MB Cache) (3/6)
ST3750840A 750GB (8MB Cache) (4/8)
ST3750640A 750GB (16MB Cache) (4/8)


Barracuda 7200.10 (7200RPM, SATA-300 interface)

ST340215AS 40GB (2MB Cache) (1/1 [short-stroked])
ST340815AS 40GB (8MB Cache) (1/1 [short-stroked])
ST380215AS 80GB (2MB Cache) (1/1)
ST380815AS 80GB (8MB Cache) (1/1)
ST3120215AS 120GB (2MB Cache) (1/2 [short-stroked])
ST3120815AS 120GB (8MB Cache) (1/2 [short-stroked])
ST3160215AS 160GB (2MB Cache) (1/2)
ST3160310AS 160GB (8MB Cache) (1/2)
ST3160815AS 160GB (8MB Cache) (1/2)
ST3200820AS 200GB (8MB Cache) (2/3 [short-stroked])
ST3250820AS 250GB (8MB Cache) (2/3)
ST3250620AS 250GB (16MB Cache) (2/3)
ST3300820AS 300GB (8MB Cache) (2/4 [short-stroked])
ST3300620AS 300GB (16MB Cache) (2/4 [short-stroked])
ST3320820AS 320GB (8MB Cache) (2/4)
ST3320620AS 320GB (16MB Cache) (2/4)
ST3500830AS 500GB (8MB Cache) (3/6)
ST3500630AS 500GB (16MB Cache) (3/6)
ST3750840AS 750GB (8MB Cache) (4/8)
ST3750640AS 750GB (16MB Cache) (4/8)


DiamondMax 21 (7200RPM, ATA-100 interface)

STM380215A 80GB (2MB Cache) (1/1)
STM3160215A 160GB (2MB Cache) (1/2)
STM3200820A 200GB (8MB Cache) (2/3 [short-stroked])
STM3250820A 250GB (8MB Cache) (2/3)
STM3250620A 250GB (16MB Cache) (2/3)
STM3300620A 300GB (16MB Cache) (2/4 [short-stroked])
STM3320820A 320GB (8MB Cache) (2/4)


DiamondMax 21 (7200RPM, SATA-300 interface)

STM340215AS 40GB (2MB Cache) (1/1 [short-stroked])
STM380215AS 80GB (2MB Cache) (1/1)
STM380815AS 80GB (8MB Cache) (1/1)
STM3160215AS 160GB (2MB Cache) (1/2)
STM3160815AS 160GB (8MB Cache) (1/2)
STM3250820AS 250GB (8MB Cache) (2/3)
STM3250824AS 250GB (8MB Cache) (2/3)
STM3320820AS 320GB (8MB Cache) (2/4)
STM3320620AS 320GB (16MB Cache) (2/4)
STM3500630AS 500GB (16MB Cache) (3/6)



200-250GB/platter Section (all drives under here use platters that can hold 200-250GB of data apiece.)

Barracuda 7200.10 (7200RPM, ATA-100 interface)

ST3400820A 400GB (8MB Cache) (2/4)
ST3400620A 400GB (16MB Cache) (2/4)


Barracuda 7200.10 (7200RPM, SATA-300 interface)

ST3250310AS 250GB (8MB Cache) (1/2)
ST3250410AS 250GB (16MB Cache) (1/2)
ST3400820AS 400GB (8MB Cache) (2/4)
ST3400620AS 400GB (16MB Cache) (2/4)


DiamondMax 21 (7200RPM, SATA-300 interface)

STM3250310AS 250GB (8MB Cache) (1/2)


Barracuda 7200.11 (7200RPM, SATA-300 interface)

ST3500820AS 500GB (8MB Cache) (2/4)
ST3500620AS 500GB (16MB Cache) (2/4)
ST3500320AS 500GB (32MB Cache) (2/4)
ST3640630AS 640GB (16MB Cache) (3/6 [short-stroked])
ST3640330AS 640GB (32MB Cache) (3/6 [short-stroked])
ST3750630AS 750GB (16MB Cache) (3/6)
ST3750330AS 750GB (32MB Cache) (3/6)
ST31000640AS 1TB (16MB Cache) (4/8)
ST31000340AS 1TB (32MB Cache) (4/8)


DiamondMax 22 (7200RPM, SATA-300 interface)

STM3500820AS (8MB Cache) 500GB (2/4)
STM3500620AS (16MB Cache) 500GB (2/4)
STM3500320AS (32MB Cache) 500GB (2/4)
STM3750630AS (16MB Cache) 750GB (3/6)
STM3750330AS (32MB Cache) 750GB (3/6)
STM31000640AS 1TB (16MB Cache) (4/8)
STM31000340AS 1TB (32MB Cache) (4/8)



320-375GB/platter Section (all drives under here use platters that can hold 320-375GB of data apiece.)

Barracuda 7200.11 (7200RPM, SATA-300 interface)

ST3160813AS 160GB (8MB Cache) (1/1)
ST3320813AS 320GB (8MB Cache) (1/2)
ST3320613AS 320GB (16MB Cache) (1/2)
ST3640623AS 640GB (16MB Cache) (2/4)
ST3640323AS 640GB (32MB Cache) (2/4)
ST31000333AS 1TB (32MB Cache) (334GB/platter) (3/6)
ST31500341AS (32MB Cache) (375GB/platter) 1.5TB (4/8)


DiamondMax 22 (7200RPM, SATA-300 interface)

STM3160813AS (8MB Cache) 160GB (1/1)
STM3320614AS (16MB Cache) 320GB (1/2)
STM31000334AS (32MB Cache) (334GB/platter) 1TB (3/6)


Barracuda LP (5900RPM, 32MB cache, SATA-300 interface)

ST31500541AS (375GB/platter) 1.5TB (4/8)



500GB/platter Section (all drives under here use platters that can hold 500GB of data apiece.)

Barracuda 7200.12 (7200RPM)

ST3160318AS 160GB (8MB Cache) (SATA-300 interface) (1/1 [short-stroked])
ST3160316AS 160GB (8MB Cache) (SATA-600 interface) (1/1 [short-stroked])
ST3250318AS 250GB (8MB Cache) (SATA-300 interface) (1/1)
ST3250312AS 250GB (8MB Cache) (SATA-600 interface) (1/1)
ST3320418AS 320GB (16MB Cache) (SATA-300 interface) (1/2 [short-stroked])
ST3320413AS 320GB (16MB Cache) (SATA-600 interface) (1/2 [short-stroked])
ST3500418AS 500GB (16MB Cache) (SATA-300 interface) (1/2)
ST3500413AS 500GB (16MB Cache) (SATA-600 interface) (1/2)
ST3750528AS 750GB (32MB Cache) (SATA-300 interface) (2/3)
ST3750525AS 750GB (32MB Cache) (SATA-600 interface) (2/3)
ST31000528AS 1TB (32MB Cache) (SATA-300 interface) (2/4)
ST31000524AS 1TB (32MB Cache) (SATA-600 interface) (2/4)


Barracuda (7200RPM, 16MB cache, SATA-600 interface, Advanced Format)

ST250DM000 250GB (1/1)
ST320DM000 320GB (1/2 [short-stroked])
ST500DM002 500GB (1/2)


DiamondMax 23 (7200RPM, SATA-300 interface)

STM3160318AS 160GB (1/1) (8MB Cache) (1/1 [short-stroked])
STM3250318AS 250GB (1/1) (8MB Cache) (1/1)
STM3320418AS 320GB (1/2) (16MB Cache) (1/2 [short-stroked])
STM3500418AS 500GB (1/2) (16MB Cache) (1/2)
STM3750528AS 750GB (2/3) (32MB Cache) (2/4)
STM31000528AS 1TB (2/4) (32MB Cache) (2/4)


"Samsung by Seagate" Barracuda (7200RPM, SATA-300 interface)

ST500DM005 (HD502HJ) 500GB (16MB Cache) (1/2)
ST1000DM005 (HD103SJ) 1TB (32MB Cache) (2/4)
Note: These, at least at first glance, appear to be nothing more than relabeled Samsung SpinPoint F3 hard disk drives.


Barracuda LP (5900RPM, SATA-300 interface)

ST3500412AS 500GB (16MB Cache) (1/2)
ST31000520AS 1TB (32MB Cache) (2/4)
ST32000542AS 2TB (32MB Cache) (4/8)


Barracuda Green (5900RPM)

ST1000DL002 1TB (32MB Cache) (SATA-300 interface) (2/4)*
ST1500DL003 1.5TB (64MB Cache) (SATA-600 interface) (3/6)
*Note: Not very sure about this model's platter density. Seagate makes it seem like the Barracuda Green family is only meant to contain 1.5TB and 2TB models, but here we have a 1TB model with smaller cache and lesser interface in stock at several retailers. I'm assuming the drive contains a pair of 500GB platters, so unless someone chimes in with a weight comparison between a 2TB/1.5TB Green and one of these, here it will stay.


Barracuda XT (7200RPM, 64MB cache, SATA-600 interface)

ST32000641AS 2TB (4/8)



600-667GB/platter Section (all drives under here use platters that can hold 600-667GB of data apiece.)

Barracuda Green (5900RPM)

ST2000DL001 2TB (32MB Cache) (SATA-300 interface) (3/6)*
ST2000DL003 2TB (64MB Cache) (SATA-600 interface) (3/6)
*Note: Seagate doesn't list these in any of their PDF datasheets for the Barracuda Green family. They can be found within the plastic cases of the firm's GoFlex products, though. (Someone on the Seagate forums had mentioned that their GoFlex came with the above 2TB model.)


Barracuda XT (7200RPM, 64MB cache, SATA-600 interface)

ST33000651AS 3TB (5/10)



750-800GB/platter Section (all drives under here use platters that can hold 750-800GB of data apiece.)

Desktop HDD.15 (5900RPM, 64MB cache, SATA-600 interface)

ST3000DM003 3TB (4/8)
The "DM" in the model number suggests a 7200 RPM drive (historically, the 5900 RPM Barracuda Greens used "DL"), but according to an analysis, at least the 4TB model actually spins at around 5900 RPM. Going back on what you said about 5900 RPM drives, are you, Seagate? The company doesn't even give a specific rotational speed for these.


Barracuda XT (7200RPM, 128MB cache, SATA-600 interface)

ST4000DX000 4TB (5/10)



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

Barracuda 7200.14 (7200RPM, 64MB cache, SATA-600 interface)

ST750DM003 750GB (1/2 [short-stroked])
ST1000DM003 1TB (1/2)
ST1500DM003 1.5TB (2/3)
ST2000DM001 2TB (2/4) or (3/5 [800~GB/platter]) or (3/6 [667~GB/platter])*
ST2500DM001 2.5TB (3/5)
ST3000DM001 3TB (3/6)
*Like the similar WD Greens and Reds, the 2TB Barracuda ST2000DM001 can be found at random in a range of platter configurations - the 'perfect' two-platter version or two different three-platter models, which are slower and might also be less reliable. If you have an ST2000DM001 that weighs more than 600 grams, has a shallow (as opposed to deep and wide) depression on the cover (like this), and HD Tune reports a maximum read transfer rate of less than 190MB/s, you have a three-platter unit, and you may want to consider getting a refund.
*There seems to be another way to determine the platter count of an ST2000DM001 - by looking at the third character of the serial number. An 'E' seems to point to a two-platter unit. An 'F' seems to mark a three-platter one. For example, W1Exxxxxxx = two-platter, W1Fxxxxxxx = three-platter. Seagate might change this scheme at any moment, though, so watch out. Thanks to ~fzabkar for this info.


Desktop HDD.15 (5900RPM, 64MB cache, SATA-600 interface)

ST4000DM000 4TB (4/8)
The "DM" in the model number suggests a 7200 RPM drive (historically, the 5900 RPM Barracuda Greens used "DL"), but according to an analysis, at least the 4TB model actually spins at around 5900 RPM. Going back on what you said about 5900 RPM drives, are you, Seagate? The company doesn't even give a specific rotational speed for these.


Unknown Desktop HDD (SATA-600 interface)

ST5000DX000 5TB (5/10)
Some of LaCie's new external drives are shipping with these models. If you happen to find an official datasheet for this model, do let me know.


Desktop SSHD (64MB cache, 8GB SSD cache, SATA-600 interface)

ST1000DX001 1TB (7200 RPM) (1/2)
ST2000DX001 2TB (7200 RPM) (2/4)
ST4000DX001 4TB (5900 RPM) (4/8)



1.25TB/platter Section (all drives under here use platters that can hold 1.25TB of data apiece.)

Desktop HDD.15 (5900RPM, 128MB cache, SATA-600 interface, SMR recording)

ST5000DM000 5TB (4/8)


Posted by RML527 at 8:55 PM
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