1 Hardware Overview
1.4 HDD&SSD
1.4.1 2.5-inch SATA HDD
The removable SATA HDD is a random access non-volatile storage device. It has a non-
removable 2.5-inch magnetic disk and mini-Winchester type magnetic heads.
The computer supports a 250GB, 320GB, 500GB or 640GB.
The SATA HDD is shown in figure 1-5. Specifications are listed in Table 1-2.and Table 1-3.
Figure 1-5 2.5-inch SATA HDD
Table 1-2 2.5-inch SATA HDD specifications (HGST)
Specifications
HGST
Items
G8BC0007J2
51
G8BC0007J
321
G8BC000
7Q500
G8BC0007Q
640
G8BC0006U500 G8BC0007L320
Outlin
e
Width (mm)
100.2
±
0.25
Dime
nsion
s
Height
(mm)
6.8±0.2
9.5
±
0.2
6.8±0.2
Depth
(mm)
69.85
±
0.25
Weight
(g)
95 max
-/
102 max
115 max
-
Storage size
(formatted)
250GB 320GB
500GB
640GB 500GB 320GB
Speed (RPM)
5,400
7,200
Data transfer rate
Disk-buffer to/from
media(Mbps)
994
-/
875 1245
1334
3.0/1.5 max.
Buffer-host data
transfer (Ggit/sec)
3.0 max.
Data buffer size
8 MB/s
16MB/s
PORTEGE R830 Satellite R830
Series Maintenance Manual (960-880)
[CONFIDENTIAL]
1-19
