https://community.hpe.com/t5/storeeasy-storage/mediasmart-ex475-server/m-p/5691671#M3699 <P>Yes you can pull and replace both drives. I'm running 4x2TB drives plus an external esata JBOD enclosure with 2x1.5TB.</P><P>&nbsp;</P><P>Running 3TB drives you'll need 48-bit LBA addressing which I don't know if the device supports or not.</P><P>&nbsp;</P><P>&nbsp;</P><P>Also a word of warning when using large arrays (for this box) you need to upgrade the ram 1GB min to prevent it from choking on it's own data.</P> Fri, 15 Jun 2012 14:43:06 GMT Northwoods 2012-06-15T14:43:06Z https://community.hpe.com/t5/storeeasy-storage/mediasmart-ex475-server/m-p/5675713#M3698 <P>Can I pull out the (2) 500 GB hard drives and replace them with (4) 3 TB drives?&nbsp; I'm not sure if the ex475 would be limited in any way or not?</P> <P>&nbsp;</P> <P>&nbsp;</P> <P>P.S. This thread has been moevd&nbsp;from General to Network Attached Storage (NAS) (Small and Medium Business). - Hp Forum Moderator</P> Mon, 01 Dec 2014 01:32:05 GMT https://community.hpe.com/t5/storeeasy-storage/mediasmart-ex475-server/m-p/5675713#M3698 mopargocar 2014-12-01T01:32:05Z https://community.hpe.com/t5/storeeasy-storage/mediasmart-ex475-server/m-p/5691671#M3699 <P>Yes you can pull and replace both drives. I'm running 4x2TB drives plus an external esata JBOD enclosure with 2x1.5TB.</P><P>&nbsp;</P><P>Running 3TB drives you'll need 48-bit LBA addressing which I don't know if the device supports or not.</P><P>&nbsp;</P><P>&nbsp;</P><P>Also a word of warning when using large arrays (for this box) you need to upgrade the ram 1GB min to prevent it from choking on it's own data.</P> Fri, 15 Jun 2012 14:43:06 GMT https://community.hpe.com/t5/storeeasy-storage/mediasmart-ex475-server/m-p/5691671#M3699 Northwoods 2012-06-15T14:43:06Z