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
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