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IBM legacy model numbers


IBM introduced a new model numbering system starting with the Ultrastar 73LZX and Deskstar 60GXP drives. The following is a description of the new model numbers:

IC FF H xxx IF xx SP

Where:
IC = Internal code
FF   = Form factor:
35 = 88.9 mm (3.5 inch)
25 = 63.5 mm (2.5 inch)
H = Height: 
L = 25.4 mm (1 inch)
T = 12.5 mm (0.49 inch)
N = 9.5 mm (0.37 inch)
xxx = Unique code
IF = Interface:
AV = ATA 
UW = Ultra SCSI 68-pin Wide 
UC = Ultra SCSI 80-pin SCA 
F2 = FC-AL-2 (2 Gbit)
xx = Unique code
SP Revolutions per minute (RPM):
04 = 4200
05 = 5400
07 = 7200 
10 = 10,000 
15 = 15,000 
 
Examples: 
 
IC35L040AVER07 - Deskstar 60GXP 
(3.5" form factor, 1" high, ATA, 7200 RPM) 

IC35L018UWD210 - Ultrastar 73LZX 
(3.5" form factor, 1" high, Ultra SCSI 68-pin Wide,10,000 RPM)
 






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