SOLVED: Seagate vs Western Digitals 12TB & 14TB Comparison

seagate vs western digital 12tb 14tb hard disksIf you have tried to buy a 12TB or 14TB hard drive in recent months you will find that it is difficult to locate comparisons of the Seagate and Western Digital Options.

Because we needed to source a pile of these we developed the simple spec comparisons below and highlighted the notables:


12TB Comparison

Brand Seagate  Seagate  Western Digital  Western Digital
Product Baracuda Pro Exos X Series HGST Ultrastar DC Gold Enterprise
Part # ST12000DM0007 ST12000NM0007 HUH721212ALE604 WD121KRYZ
Capacity 12TB 12TB 12TB 12TB
Size 3.5″ 3.5″ 3.5″ 3.5″
Rotation 7200RPM 7200RPM 7200RPM 7200RPM
Interface SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s SATA 6Gb/s
Cache 256MB 256MB 256MB 256MB
Sustained Transfer 250MB/s 250MB/s 250MB/s 250MB/s
Latency 4.16ms 4.16ms 4.16ms 4.16ms
Acoustic Idle/Seek 28/34 28/34 20/36 20/36
Workload 300TB/yr 550TB/yr 550TB/yr 550TB/yr
MTBF 1M Hours 2.5M Hours 2.5M Hours 2.5M Hours
Warranty 5 Years 5 Years 5 Years 5 Years
Spec Sheet Click HERE Click HERE Click HERE Click HERE

14TB Comparison

Brand Seagate  Western Digital 
Product Baracuda Pro HGST Ultrastar DC
Part # ST14000DM001 WUH721414ALE6L4
Capacity 14TB 14TB
Size 3.5″ 3.5″
Rotation 7200RPM 7200RPM
Interface SATA 6Gb/s SATA 6Gb/s
Cache 256MB 512MB
Sustained Transfer 250MB/s 250MB/s
Latency 4.16ms 4.16ms
Acoustic Idle/Seek 18/28 20/36
Workload 300TB/yr 550TB/yr
MTBF 1M Hours 2.5M Hours
Warranty 5 Years 5 Years
Spec Sheet Click HERE Click HERE

What is Happening with WD Disk Naming?

Take note that a couple of years ago Western Digital decided to rebrand its high end disks from “Gold” to “HGST Ultrastar” but they have apparently reversed that decision:

 

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