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2-2 C141-E235
2.1.2 Function specifications
Table 2.2 shows the function specifications of the HDD.
Table 2.2 Function specifications
Specification
Item
MAW3300FC MAW3147FC MAW3073FC
Formatted capacity/device (*1) 300.0 GB (*2) 147.0 GB (*2) 73.5 GB (*2)
Number of disks 4 3 1
Number of heads 8 5 2
Number of rotations min
-1
(rpm) 10,025 ± 0.2%
Average latency time 2.99 ms
Track to Track 0.2 ms/0.4 ms
Average 4.5 ms/5.0 ms
Seek time (*3)
(Read/Write)
Full stroke 10.0 ms/11.0 ms
Start/stop time
(*4)
Start time
Stop time
30 s typ. (60 s max.)
30 s typ.
Recording mode 32/34 MEEPRML
External
dimensions
Height:
Width:
Depth:
25.4 mm
101.6 mm
146.0 mm
Weight 0.75 kg max.
Power consumption (*5) 11.9 W typ.
Interface Cable length: 30 m max.
Areal density 60 to 75 Gbit/inch
2
Disk drive 132.4 MB/s Data
transfer
rate (*6)
FC-AL 212.5 MB/s max.
Logical data block length 512, 516, 520, 524, 528 byte (Fixed length) (*7)
Command specification
FC-PLDA (NCITS TR-19),
FC-PH (ANSI X3.230-1994), FC-PH-2 (ANSI X3.297-1996),
FC-AL (ANSI X3.272-199X), SCSI-FCP (ANSI X3.269-199X)
Data buffer 8 MB FIFO ring buffer (*8)
Acoustic noise (Idle) 3.4 Bels typ.
(*1) The formatted capacity can be changed by changing the logical block length and using spare sector
space. See Chapter 3 for the further information. The formatted capacity listed in the table is an
estimate for 512 bytes per sector.
(*2) 1GB=1,000,000,000 bytes