Answer (1 of 3) The only absolute difference is the physical size the numbers are the nominal diameter of the drive platters The sizes are properly given with units 25″ and 35″, with ″ being a symbol for "inches" Beyond that, the sizes are in some ways unimportant Any modern drive in ei A typical 70 RPM HDD will deliver a read/write speed of MB/s On the other hand, a typical SSD will deliver read/write speed of between 0 MB/s to 550 MB/s As noted above, an SSD can deliver a much better read/write speed to an HDD When it comes to SSD vs HDD speed, the solid state drive is the clear winner The standards in the industry for both 35" and 25" hard drives are 5400 and 7,0 RPM We recommend sticking to 7,0 RPM as the hard
How To Know If My Wd Hard Drive Is 2 5 Inch Or 3 5 Inch Quora
