Explaining Hard Drive Technologies: SMR, HAMR, ePMR & more!

Technologies for higher-capacity hard drives explained, including CMR vs SMR, as well as the EAMR variants HAMR, ePMR and MAMR.

If you enjoy this video, you may also like the ExplainingComputers episodes:

Storage Media Life Expectancy:
   • Storage Media Life Expectancy: SSDs, ...  

Explaining SSDs: Form-Factors, Interfaces & Technologies:
   • Explaining SSDs: Form Factors, Interf...  

Explaining SSDs: The Price/Performane Trade-off:
   • Explaining SSDs: The Price/Performanc...  

16TB Toshiba HDD Upgrade:
   • 16TB Toshiba HDD Upgrade  

USEFUL/INTERESTING LINKS:

Western Digital Tech Brief on hard drive recording technologies:
https://documents.westerndigital.com/...

Western Digital launches highest capacity ePMR drives:
https://www.westerndigital.com/compan...

Seagate paper on superlattice platinum-alloy media:
https://www.seagate.com/gb/en/innovat...

Seagate page on areal density innovations, including HAMR:
https://www.seagate.com/gb/en/innovat...

Seagate launches 36TB HAMR drives:
https://www.seagate.com/gb/en/news/ne...

Toshiba demonstates MAS-MAMR:
https://www.global.toshiba/ww/technol...

Toshiba announces 26 and 28TB MAMR drives:
https://toshiba.semicon-storage.com/e...

Toshiba developing HAMR drives:
https://toshiba.semicon-storage.com/a...

More videos on computing and related topics can be found at:
   / @explainingcomputers  

And more videos on film and other making, plus retro tech, are on my Christopher Barnatt channel here:    / @christopherbarnatt  

Chapters:
00:00 Titles & Intro
00:49 Platters & Areal Density
04:12 CMR & SMR
07:25 Recording Technologies
10:41 eMPR
12:13 HAMR
14:14 MAMR
15:38 Wrap

#HDD #SMR #HAMR #CMR #EMPR #MAMR #Arealdensity #ExplainingComputers