Hawk 2XL Family Installation Guide, Rev. C | 45  | 
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Hawk 2XL Family product information
Characteristics of the various drives covered by this manual are listed in the following table.
Legend for table column meanings:
A= capacity, unformatted Gigabytes
B= capacity, formatted Gigabytes [1]
C= number of cylinders, user accessible
D= number of heads
E= + 5 V typical current [2], Amps
F= +12 V typical current [2], Amps
G= spindle speed r/min +0.5% tolerence
Model | A[3]  | B  | C[3]  | D  | E  | F  | G  | 
ST32151N  | 2.54  | 2.148  | 4176  | 8  | 0.65  | 0.40  | 5411  | 
ST32151W  | 2.54  | 2.148  | 4176  | 8  | 0.65  | 0.40  | 5411  | 
ST32151WC  | 2.54  | 2.148  | 4176  | 8  | 0.65  | 0.40  | 5411  | 
ST31051N  | 1.26  | 1.060  | 4176  | 4  | 0.65  | 0.40  | 5411  | 
ST31051W  | 1.26  | 1.060  | 4176  | 4  | 0.65  | 0.40  | 5411  | 
ST31051WC  | 1.26  | 1.060  | 4176  | 4  | 0.65  | 0.40  | 5411  | 
ST32155N  | 2.54  | 2.148  | 4176  | 8  | 0.65  | 0.40  | 5411  | 
ST32155W  | 2.54  | 2.148  | 4176  | 8  | 0.65  | 0.40  | 5411  | 
ST32155WC  | 2.54  | 2.148  | 4176  | 8  | 0.65  | 0.40  | 5411  | 
ST31055N  | 1.26  | 1.060  | 4176  | 4  | 0.65  | 0.40  | 5411  | 
ST31055W  | 1.26  | 1.060  | 4176  | 4  | 0.65  | 0.40  | 5411  | 
ST31055WC  | 1.26  | 1.060  | 4176  | 4  | 0.65  | 0.40  | 5411  |