Difference between external hard drive with power supply and without it Tags: Hard Drives Power Supplies External Hard Drive Storage Last response: December 25, 2012 9:38 PM in Storage Share finme December 25, 2012 3:58:48 PM Hello, I would like to know if it's better to buy an external hard drive without power supply, the hd wil het power fromthe usb port. More about : difference external hard drive power supply RealBeast a b ) Power supply a c 317 G Storage December 25, 2012 9:38:07 PM Both work fine, but if you want a larger faster 3.5 inch drive you need an external power supply. The smaller 2.5 inch externals will work off USB power. Not really a better question, just one of what you need in terms of drive size and form factor. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedWhats the difference between external and internal hard drives? Forum Can I use a NAS as an external hard drive that shares media between MAC and TV? (without connecting to router) Forum Solvedexternal hard drive replacement power supply Forum Solvedexternal hard drive replacement power supply Forum SolvedExternal drive without power supply Forum Solvedexternal hard drive power supply Forum Seagate 1.5TB External Hard Drive Wrong Power Supply Forum 1tb external hard disk without external power supply Forum Is there a way to power up my external hard drive without usb Forum External Hard Drive ---> Power supply or no? (What do you recommend?) Forum Which is best hard drive with power supply or without Forum External Hard drive power supply compatibility Forum 1TB external hard drive with no power supply, USb 3/seagate /western digital/,ex Forum Use a notebook ac adapter as power supply for external usb hard drive? Forum Why after changing the power supply to an external hard drive will the light com Forum Wd 500gb external hard drive wrong power supply Forum EXTERNAL USB HARD DRIVE power supply Forum Differo external hard drive power supply connectors Forum Solvedopen an external hard drive without formatting Forum SolvedWhat is difference between hard drive free space and unallocated space? Forum More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !