Acer 1820PT User Manual
Page 26

16
Chapter 1
Disks
2
2
1
1
2
1
Spindle
speed
(RPM)
5400
Performance Specifications
Buffer size
8MB
Interface
SATA
Internal
transfer
rate (Gbits/
sec., max)
3GB/s maximum
1.5GB/s
maximum
I/O data
transfer
rate
(Mbytes/
sec max)
875 Mbits/s maximum
845 Mbits/s
maximum
775Mbits/s
maximum
729Mbits/s
maximum
DC Power Requirements
Voltage
+5.0V ± 5%.
Item
Specifications
Vendor & Model
Name
Toshiba
MK1655GSX
Toshiba
MK2555GSX
Toshiba
MK3255GSX
Toshiba
MK5055GSX
Capacity (GB)
160
250
320
500
Bytes per sector
512
512
512
512
Data heads
2
2
4
4
Drive Format
Disks
1
1
2
2
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size
8MB
Interface
SATA
Internal transfer
rate (Mbits/sec,
max)
363 ~ 952 typical
I/O data transfer
rate
(Mbytes/sec
max)
300
DC Power Requirements
Voltage
5V ±5%
Item
Specifications
Vendor & Model
Name
Western Digital
WD1600BEVT-
22ZCTO
Western Digital
WD2500BEVT-22ZCT0
Western Digital
WD3200BEVT-22ZCT0
Western Digital
WD5000BEVT-22ZAT0
Capacity (GB)
160
250
320
500
Bytes per sector
512
Data heads
2
4
3
4
Item
Specifications