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Specifications
2.1.2 Function specifications
Table 2.2 shows the function specifications of the HDDs.
Table 2.2 Function specifications
Specification
Item
MBA3300RC MBA3147RC MBA3073RC
Formatted capacity (*1) 300 GB (*2) 147 GB (*2) 73.5 GB (*2)
Number of disks 4 2 1
Number of heads 8 4 2
Tracks per Surface 82604 cyl typ. (standard format including the alternate cylinder)
Recording mode 60/62 MEEPRML
Areal density 124.7 Gbit/inch2
Max Recording Density 860 kBPI
Track Density 145 kTPI typ.
Track to Track 0.2 ms / 0.4 ms
Average 3.4 ms / 3.9 ms
Seek time (*3)
(Read/Write)
Full stroke 8.0 ms / 9.0 ms
Number of rotations 15,000 ± 0.2 % min
-1
(rpm)
Average latency time 2.0 ms
Start/stop time
(*4)
Ready up time
Stop time
30 s typ. (60 s max.)
30 s typ.
External
dimensions
Height
Width
Length
26.1 mm max.
101.6 mm ± 0.25mm
147.0 mm max.
Weight 0.8 kg max.
Power consumption (*5) 12.36 W typ.
Internal 188 MB/s (standard format, most outer)
Data transfer
rate (*6)
External 1.5 Gbps, 3 Gbps
Logical data block length 512 to 528 byte (fixed length) (*7)
Related standards
SAS (T10/1562D Rev. 05), SAS1.1 (T10/1601D Rev. 07),
SAM-3 (T10/1561D Rev. 14), SAM-2 (T10/1157D Rev. 24),
SPC-2 (T10/1236D Rev. 20), SBC (T10/996D Rev. 8c),
Eye mask (*8)
Data buffer 16 MB FIFO ring buffer (*9)
Acoustic noise (Idle) 3.6 Bels typ.
20 C141-E252