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1-4 C141-E245
1.2 Device Specifications
1.2.1 Specifications summary
Table 1.1 shows the specifications of the disk drives.
Table 1.1 Specifications (1/2)
MHW2160BH MHW2120BH MHW2100BH MHW2080BH MHW2060BH MHW2040BH
Format Capacity (*1, *2) 160 GB 120 GB 100 GB 80 GB 60 GB 40 GB
Number of Sectors (User) 312, 581, 808 234,441,648 195,371,568 156,301,488 117,210,240 78,140,160
Bytes per Sector 512 bytes
Rotational Speed 5,400 rpm ± 1%
Average Latency 5.56 ms
Positioning time (read and seek)
• Minimum (Track-Track)
• Average
• Maximum (Full)
1.5 ms (typ.)
Read: 12 ms (typ.)
22 ms (typ.)
Start time 4.0 sec (typ.)
Interface Compliant with ATA/ATAPI-8, Serial ATA Revision 2.5 Gen1i
Data Transfer Rate (*2)
• To/From Media
• To/From Host
72.4 MB/s Max.
1.5 Gbps (150 MB/s) (Gen1i)
Data Buffer Size (*3) 8 MB (8,388,608 bytes)
Physical Dimensions
(Height × Width × Depth)
9.5 mm × 100.0 mm × 70.0 mm (*4)
Weight 101 g (Max.)
*1: Capacity under the LBA mode.
*2: 1 GB is equal to 1,000,000,000 bytes and 1 MB is equal to 1,000,000 bytes.
*3: 1 MB is equal to 1,048,576 bytes.
*4: The value of Depth (=100.0 mm) does not include PCBA (Printed Circuit Board Assembly). For details, see Section 3.1.
Table 1.1 lists the formatted capacity, number of logical cylinders, number of
heads, and number of sectors of every model for which the CHS mode has been
selected using the BIOS setup utility on the host.