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1 Hardware Overview 1.4 Hard Disk Drive
1-14 PORTEGE M300 Maintenance Manual (960-504)
Table 1-3 HDD Specifications (1/2)
Specification
Parameter
TOSHIBA
HDD2190BZE02
TOSHIBA
HDD2194VZE02
TOSHIBA
HDD2191VZE02
Storage size (formatted) 40GB 60GB 80GB
Speed (RPM) 4,200 5,400
Data transfer speed
(Mbits/s)
175.0-341.7 202.9-373.3 154.3-298.0
Interface transfer rate
(MB/s)
100 (Ultra DMA mode)
Storage density (Kbpi)
735 - -
Track density (Ktpi)
88.1 88.8 78.9
Average random seek time
(read) (ms)
12
Average random seek time
(write) (ms)
12
Power-on-to-ready (sec) 4
Specification
Parameter
HGST
G8BC0001E311
HGST
G8BC0001E411
HGST
G8BC0001N611
HGST
G8BC0001N811
Storage size (formatted) 30GB 40GB 60GB 80GB
Speed (RPM) 4,200
Data transfer speed
(Mbits/s)
512 493
Interface transfer rate
(MB/s)
100 (Ultra DMA mode)
Storage density (Kbpi)
702 717
Track density (Ktpi)
96 96.6
Average random seek time
(read) (ms)
12
Average random seek time
(write) (ms)
14
Power-on-to-ready (sec) 3.0 3.5