Gateway 40GB 5400-RPM Hard Drive - 5502712

Feature	Description
Manufacturer	Hitachi
Model	HTS548040M9AT00
Interface	ATA-6
Capacity	40 GB
Sector size	512 bytes
Recording zones	16
Data heads	2
Disks	1
Maximum areal density	70 Gbits/square inch
Data buffer	8 MB
Rotational speed	5 400 revolutions per minute (rpm)
Latency	5.5 average milliseconds (ms)
Maximum media transfer rate	450 megabits per second (Mbps)
Maximum interface transfer rate (megabytes per second)	100 megabytes per second (MB/sec) Ultra DMA mode-5 16.6 MB/sec PIO mode-4
Seek time
Average (typical)	12 ms
Track to track (typical)	2.5 ms
Full stroke (typical)	23 ms
Error rate (non-recoverable)	< 1 per 1013 bits transferred
Power
Requirement	+5 volts DC (±5%)
Startup (maximum peak)	5.0 watts (W)
Seek (average)	2.6 W
Read (average)	2.5 W
Write (average)	2.5 W
Performance idle (average)	2.0 W
Active idle (average)	1.3 W
Low power idle (average)	0.85 W
Standby (average)	0.25 W
Sleep	0.1 W
Power consumption efficiency	0.024 watts pre GB
Physical
Height	9.5 millimeters (mm)
Width	70 mm
Depth	100 mm
Weight	95 grams
Environmental
Operating temperature	5° to 55° C
Non-operating temperature	-40° to 65° C
Operating relative humidity (non-condensing)	8% - 90%
Non-operating relative humidity (non-condensing)	5% - 95%
Operating maximum wet bulb (non-condensing)	29.4° C
Non-operating maximum wet bulb (non-condensing)	40° C