Seek Time; Format Drive Command Execution Time - Seagate Barracuda ST12550W Product Manual

Barracuda 1 and 2 Product Manual, Rev. C
5.2.1
5.2.2

Seek time

Average typical*
Single track typical*
Full stroke typical*
*Typical seek values are measured under nominal conditions of tempera-
ture, voltage, and horizontal orientation on a representative sample of
drives.

Format drive command execution time

for 512-byte sectors
Maximum (with verify)
Maximum (without verify)
Drive including
controller overhead
Drive level (msec) without disconnect (msec)
read write read
8.0 9.0 9.0
0.6 0.9 1.6
17 19 18.0
ST11950
30 minutes
18 minutes
13
write
10.0
1.9
20.0
ST12550
37 minutes
22 minutes