Seagate ST9450204SS Performance, Reliability, Formatted capacities, Programmable drive capacity

Models: ST9600004SS ST9600104SS ST9450204SS ST9450304SS ST9450404SS ST9600204SS

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4.3Performance

Programmable multi-segmentable cache buffer

600MB/s maximum instantaneous data transfers.

10K RPM spindle. Average latency = 3.0ms

Background processing of queue

Supports start and stop commands (spindle stops spinning)

Adaptive seek velocity; improved seek performance

Note. There is no significant performance difference between Self-Encrypting Drive and standard (non- Self-Encrypting Drive) models.

4.4Reliability

Annualized Failure Rate (AFR) of 0.44%

Mean time between failures (MTBF) of 2,000,000 hours

Balanced low mass rotary voice coil actuator

Incorporates industry-standard Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)

5-year warranty

4.5Formatted capacities

Standard OEM models are formatted to 512 bytes per block. The block size is selectable at format time and must be a multiple of 4 bytes. 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:

Seagate designs specify capacity points at certain block 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 shown below.

Capacity (Blocks)

 

ST9600204SS

ST9450404SS

 

ST9600104SS

ST9450304SS

 

ST9600004SS

ST9450204SS

 

 

 

 

 

Sector Size

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

 

 

 

 

 

4.6Programmable drive capacity

Using the Mode Select command, the drive can change its capacity to something less than maximum. See the Mode Select (6) parameter list table in the SAS Interface Manual, part number 100293071. A value of zero in the Number of Blocks field indicates that the drive will not change the capacity it is currently formatted to have. A number other than zero and less than the maximum number of LBAs in the Number of Blocks field changes the total drive capacity to the value in the Number of Blocks field. A value greater than the maximum number of LBAs is rounded down to the maximum capacity.

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Savvio 10K.4 SAS Product Manual, Rev. E

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Seagate ST9450204SS, ST9600204SS, ST9600104SS Performance, Reliability, Formatted capacities, Programmable drive capacity