Toshiba PORTEGE M300 1 Hardware Overview 1.4 Hard Disk Drive , Table 1-3 HDD Specifications (1/2) ,

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