Seagate ST3600002SS ユーザーズマニュアル

Cheetah NS 10K.2 SAS Product Manual, Rev. F

9

This section provides detailed information concerning performance-related characteristics and features of 
Cheetah NS SAS drives.

Drive capacity

600

450

GB (formatted, rounded off value)

*

Read/write data heads

8

6 

Tracks per inch

165,000

165,000

TPI

Peak bits per inch

1,347

1,347 

kBPI

Areal Density

225

225 

Gb/inch

2

Internal data rate

1.01 to 1.84

1.01 to 1.84 

Gb/sec (variable with zone)

Disk rotation speed

10K

10K

rpm

Avg rotational latency

2.98

2.98

ms

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment

and formatting.

and 

the 

SAS Interface Manual (part number 

100293071) for additional timing details.

1.

Typical access times are measured under nominal conditions of temperature, voltage, and 
horizontal orientation as measured on a representative sample of drives.

,

Average

Typical

3.8

4.4

Single track

Typical

0.22

0.22

Full stroke

Typical

8.1

8.7

2.

Access to data = access time + latency time.