Seagate ST9450404FC Computer Drive User Manual


 
Savvio 10K.4 FC Product Manual, Rev. A 7
3.3 Performance
Programmable multi-segmentable cache buffer
800MB/s maximum instantaneous data transfers per port
10K RPM spindle. Average latency = 3.0ms
Command queuing of up to 128 commands
Background processing of queue
Supports start and stop commands (spindle stops spinning)
Adaptive seek velocity; improved seek performance
3.4 Reliability
Annualized Failure Rate (AFR) of 0.44%
Mean Time Between Failures (MTBF) of 2,000,000 hours
Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)
5-year warranty
3.5 Formatted capacities
Standard OEM models are formatted to 512 bytes per block. The sector size is selectable at format time. Users
having the necessary equipment may modify the data block size before issuing a format command and obtain
different formatted capacities than those listed.
To provide a stable target capacity environment and at the same time provide users with flexibility if they
choose, Seagate recommends product planning in one of two modes:
1. Seagate designs specify capacity points at certain sector sizes that Seagate guarantees current and future
products will meet. We recommend customers use this capacity in their project planning, as it ensures a
stable operating point with backward and forward compatibility from generation to generation. The current
guaranteed operating points for this product are:
2. Seagate drives also may be used at the maximum available capacity at a given sector size, but the excess
capacity above the guaranteed level will vary between 10K and 15K families and from generation to gener
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ation, depending on how each sector size actually formats out for zone frequencies and splits over servo
bursts. This added capacity potential may range from 0.1 to 1.3 percent above the guaranteed capacities
listed above. Using the drives in this manner gives the absolute maximum capacity potential, but the user
must determine if the extra capacity potential is useful, or whether their assurance of backward and for
-
ward compatibility takes precedence.
Sector Size
ST9600204FC ST9450404FC
Decimal Hex Decimal Hex
512
1,172,123,568 45DD2FB0h 879,097,968 3465F870h
520
1,147,307,696 446286B0h 860,480,776 3349E508h
524
1,132,015,600 43792FF0h 849,011,704 329AE3F8h
528
1,115,749,560 4280FCB8h 836,812,168 31E0BD88h