The Sun 542-0428 600Gb 15K 3.5 Sas Hard Drive is in in stock at Calhoun Technologies. For over 10 years Calhoun Technologies has been saving companies likes your up to 80% off list price on hard to find computer hardware. Manufacturer: Sun Part Number: 542-0428 Details: Sun 542-0428 600Gb 15K 3.5 Sas Hard Drive