Sun X5263A (540-5455) 73GB Ultra 320 SCSI Original Disk w/ 1 Year Warranty - pn: X5263A In Stock - New Availability: Usually ships the same business day. Sun X5263A (540-5455) 73GB Ultra 320 SCSI Original Disk w/ 1 Year Warranty - pn: X5263A X5263ASun MSRP: $1,100.00Sale Price: $450.00 This site is independent of and does not represent Sun Microsystems, Inc. in any way. Sun  do not officially sponsor, approve, or endorse this site or its content.  Sun and all associated logo's are registered trademarks of of Sun Microsystems, Inc. respectively .  Any reference to Sun Microsystems or other brands is used for reference only. It is not our intention to infringe on any trademark or copyrighted material. All Rights Reserved.