1 Hardware Overview 1.4 2.5-inch Hard Disk Drive Table 1-2 2.5-inch HDD specifications (2/3) Specifications
Items HITACHI
G8BC0000F310
HITACHI
G8BC00009110
Storage size (formatted) 30GB 40GB
Speed (RPM) 4,200 5,400
Data transfer speed (Mbits/s) 22.1 – 42.8 27.8 – 44.1
Interface transfer rate (MB/s) 100 (MAX Ultra DMA mode)
Storage desnity (Kbpi) 716 612
Track density (Ktpi) 70.0 63.0
Average random seek time
(read) (ms) 13
Motor startup time (ms) 5
Table 1-2 2.5-inch HDD specifications (3/3) Specifications
Items IBM
G8BC00004210
IBM
G8BC0000A110
Storage size (formatted) 30GB 40GB
Speed (RPM) 4,200 5,400
Data transfer speed (Mbits/s) 125 – 241 160 – 297
Interface transfer rate (MB/s) 100
Storage desnity (Kbpi) 509 506 (MAX)
Track density (Ktpi) 66.4
Average random seek time
(read) (ms) 12
Motor startup time (ms) 5