Fujitsu PRIMERGY TX2550 M5 Operating Manual page 5

Only for Japan:
About SATA HDDs
The SATA version of this server supports HDDs with SATA/BC-SATA storage
interfaces. Please note that the usage and operation conditions differ
depending on the type of HDD used.
For more information on the usage and operation conditions of each available
type of HDD, see the following internet address:
http://jp.fujitsu.com/platform/server/primergy/harddisk/
Operating Manual
TX2550 M5