unreliability of SATA

Standard SATA interfaces will have a Unrecoverable Bit Error (UBE) every 1014 bits, roughly 1 every 10TB.

Source: Is there any legitimate reason why a RAID-5 parity initialization is going to take 10 days to complete on a ~7TB array? : sysadmin
added 2013-08-06T18:57:02Z by anders