HP XM600 hp kayak xm600 series 2, technical reference manual for desktop and m - Page 98

SCSI Hard Disk Drives, Seagate, Barracuda 18XL, SCSI 7.2 krpm, Quantum, Atlas 10K II

Page 98 highlights

4 Mass Storage Devices SCSI Hard Disk Drives Capacity Interface External peak transfer rate Average seek time (read) Internal transfer rate (Mb/s) Number of discs/heads Buffer size Capacity Interface External peak transfer rate Average seek time (read) Internal data rate (Mb/s) Number of discs/heads Buffer size Seagate Barracuda 18XL SCSI (7.2 krpm) Seagate Barracuda 18XL SCSI (7.2 krpm) 9.2 GB Ultra160 SCSI 160 MB/s 5.8 ms 195 Mb/s min. to 315 Mb/s max. 2/3 4 MB 18.4 GB Ultra160 SCSI 160 MB/s 5.8 ms 195 Mb/s min. to 315 Mb/s max. 3/6 4 MB Quantum Atlas 10K II SCSI (10 krpm) 9.2 GB Ultra160 SCSI 160 MB/s 4.7 ms 280 Mb/s min. to 478 Mb/s max. 2/3 8 MB Quantum Atlas 10K II SCSI (10 krpm) 18.4 GB Ultra160 SCSI 160 MB/s 4.7 ms 280 Mb/s min. to 478 Mb/s max. 3/6 8 MB Quantum Atlas 10K II SCSI (10 krpm) 36.7 GB Ultra160 SCSI 160 MB/s 4.7 ms 280 Mb/s min. to 478 Mb/s max. 5/10 8 MB 98

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4
Mass Storage Devices
SCSI Hard Disk Drives
Seagate
Barracuda 18XL
SCSI (7.2 krpm)
Seagate
Barracuda 18XL
SCSI (7.2 krpm)
Capacity
9.2 GB
18.4 GB
Interface
Ultra160 SCSI
Ultra160 SCSI
External peak transfer rate
160 MB/s
160 MB/s
Average seek time (read)
5.8 ms
5.8 ms
Internal transfer rate (Mb/s)
195 Mb/s min. to
315 Mb/s max.
195 Mb/s min. to
315 Mb/s max.
Number of discs/heads
2/3
3/6
Buffer size
4 MB
4 MB
Quantum
Atlas 10K II
SCSI (10 krpm)
Quantum
Atlas 10K II
SCSI (10 krpm)
Quantum
Atlas 10K II
SCSI (10 krpm)
Capacity
9.2 GB
18.4 GB
36.7 GB
Interface
Ultra160 SCSI
Ultra160 SCSI
Ultra160 SCSI
External peak transfer rate
160 MB/s
160 MB/s
160 MB/s
Average seek time (read)
4.7 ms
4.7 ms
4.7 ms
Internal data rate (Mb/s)
280 Mb/s min. to
478 Mb/s max.
280 Mb/s min. to
478 Mb/s max.
280 Mb/s min. to
478 Mb/s max.
Number of discs/heads
2/3
3/6
5/10
Buffer size
8 MB
8 MB
8 MB