Seagate HDD 3 Platters 5 Heads

ST9750430AS 750GB (or 3 platters 6 heads [250GB/platter])
ST3300831A 300GB (8MB Cache)
ST3300631A 300GB (16MB Cache)
ST3300831AS 300GB (8MB Cache)
ST3300631AS 300GB (16MB Cache)
ST3320833A 320GB (8MB Cache)
ST3320633A 320GB (16MB Cache)
ST2000DM001 2TB (2 platters 4 heads) or (3 platters 5 heads [800GB/platter]) or (3 platters 6 heads[667GB/platter])
ST2500DM001 2.5TB
ST2000NM0033 2TB
ST2000NM0053 2TB (Self-Encryption)
ST2000NM0103 2TB (Self-Encryption, ISE)
ST2000NM0023 2TB
ST2000NM0043 2TB (Self-Encryption)
ST2000NM0113 2TB (Self-Encryption, ISE)
ST2000NM0063 2TB (FIPS Self-Encryption)
ST2000VN0001 2TB
ST3300831ACE 300GB (8MB Cache)
ST3300831SCE 300GB (8MB Cache)