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Are there differnces in life expectation for 1~2TB external (portable) HDD and external (desktop) HDD


According to current technology and most popular products, are life expectations for 1~2TB external (portable) HDD and for external (desktop) HDD significantly different? Which one will likely be more durable and last longer?


Same question if I use them as if they were both portable?


For example, Seagate FreeAgent GoFlex - Hard drive - external (portable) 1TB USB 3.0 and Seagate Expansion External Drive - Hard drive - external ( desktop) 2TB USB 3.0 ?


Thanks!



Answer



Microsoft recently released the results of a long-term, million-machine hardware failure analysis and found that, overall, laptops are more stable than desktops, including the disk subsystem. The original report is available at https://research.microsoft.com/apps/pubs/default.aspx?id=144888 with a tl;dr summary at http://www.extremetech.com/gaming/131739-microsoft-analyzes-over-a-million-pc-failures-results-shatter-enthusiast-myths.


Quoting the latter, in turn paraphrasing the former: "Desktops don’t come off looking very good here despite their sedentary nature. The team theorizes that the higher tolerances engineered into the CPU and DRAM, combined with better shock-absorbing capabilities in mobile hard drives may be responsible for the lower failure rate."


So you actually may find higher long-term reliability in a laptop-sized (2.5") drive, as they're built expecting a certain amount of abuse.


I'll let the other answer above speak to the difference between using the same desktop (3.5") hard disk internal to a PC vs. in an external enclosure.


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