1 Hardware Overview
Satellite A660/Pro A660 Maintenance Manual 1-11
1.2 2.5-inch HDD The computer contains an extremely low-profile and lightweight, high-performance HDD. The
HDD incorporates 9.5 mm / 12.5 mm height magnetic disk and mini-Winchester type magnetic
heads. The HDD interface conforms to Serial ATA. Storage capacities supported are 160, 250,
320, 400, 500 and 640GB.
The HDD is shown in Figure 1-2 and some of its specifications are listed in Table 1-1.
Figure 1-2 SATA HDD
Table 1-1 HDD Specifications
Item Specifications
Capacity (GB) 160GB 250G 320 GB
Rotational Speed (RPM) 5400 RPM 5400 or 7200 RPM 5400 or 7200 RPM
Height 9.5 mm 9.5 mm 9.5 mm
User Data Sectors 312,581,808 488,397,168 625,142,448
Bytes / Sector 512 512 512
Item Specifications
Capacity (GB) 500GB 640 GB
Rotational Speed (RPM) 5400 or 7200 RPM 54 00 RPM
Height 9.5 mm 9.5 mm
User Data Sectors 976,773,168 1,250,263,728
Bytes / Sector 512 512