1-42 Technical Information
Table 1-26 4.5-GB Seagate Barracuda Ultra Wide SCSI Hard Disk Drive
Specifications
Feature
Specification
Hard Disk Drive
4.5-GB Seagate Barracuda ST34572W
Physical Configuration
Formatted Capacity
Nominal Rotational Speed
Number of Disks
Data Surfaces
Number of R/W Heads
4550 MB
7200 rpm
4
8
8
Data Organization
Track density: 6800
Sectors per Track
Bytes per sector: 6311
Performance
Seek times
Track-to-track: 1.0 ms typical, 1.8 ms max.
Average read/write: 9.4 ms typical; 10.4 ms max.
Average latency: 4.17 ms
Data transfer rate
Buffer to disk: 17.5 Mb/sec.(burst)
Buffer to host: 40 Mb/sec.
Interleave: 1:1
Buffer Size
512 KB
Power
+5Vdc
+12Vdc
Temperature (non-condensing)
Operating: 0
°
to 50
°
C (41
°
to 131
°
F)
Non-operating: -40
°
to 75
°
C (-40
°
to 149
°
F)
Humidity (non-condensing)
Operating: 5% to 90% rh
Non-operating: 5% to 95% rh
Altitude
Operating: -305 m to 3,050 m (-1000 to 10,000 ft.)
Non-operating: -305 m to 12,200 m (-1000 to 40,000 ft.)
Dimensions
Height: 1.0 inches (25.4 mm)
Length: 5.74 inches (145.8 mm)
Width: 4.00 inches (101.6 mm)
