HTS541640J9SA00

Hitachi HTS541640J9SA00 (40GB)

Full list of Features

Data Storage Capacity
Per drive, Formatted	40 GB
Number of Platters	1
Number of Heads	1
Bytes /Sector	512
Number of Sectors/Track	63
Number of Cylinders	16383
Number of Sectors	78140160
Total Logical Data Bytes	4000761920
Datasheet
Rotational Speed (rpm)	5400
Data transfer rates (buffer to/from media) (Mbps)	540
Disk-buffer data transfer (Mbps) (max.)	540
Data transfer rates max(Gbit/sec)	1.5
Recording density (KBPI) (Max)	902
Track density (KTPI)(Max)	146
Areal density (Gbit/sq-inch - Max)	131.5
Number of Zones	24
Performance characteristics
Average seek time (read)	11ms (typ.) / 14ms (max.)
Average seek time (write)	13ms (typ.) / 15ms (max.)
Full stroke seek time (read)	20ms (typ.) / 25ms (max.)
Full stroke seek time (write)	21ms (typ.) / 26ms (max.)
Power-on-ready (sec)	3.5 (typ.) / 9.5s (max.)
Command overhead (ms)	1.0ms
Track-to-track (read)	1.0 (typ.) / 2.0ms (max.)
Track-to-track (write)	1.1 (typ.) / 2.2ms (max.)
Average Latency time	5.5ms (typ.)
Interface
Type	SATA 1.0a
Buffer (MB)	8
Data Transfer Rate	Max. 1.5 Gb/sec
Nominal Power Requirements
Voltage (C); Supply	+5V (5%)
Idle (Watts)	0.85 (average) / 0.65 (lowpower average)
Standby (Watts)	0.25
Sleep (Watts)	0.2
Reads (Watts)	1.8 (average)
Writes (Watts)	1.8 (average)
Seeks (Watts)	2.2 (average)
Start-up (A)	1 (max.) / 0.76 (average)
Physical & Environmental Specifications (mm)
Height	9.5 (9.5mm ±0.2)
Width	70 (69.85mm ±0.25)
Depth	100 (100.2±0.25)
Weight	95 gram
Ambient
Operating: Temperature	5°C~55°C
Operating: Relative humidity	8 to 90% non condensing
Operating: Maximum wet bulb temperature	29.4°C non condensing
Operating: Maximum temperature gradient	29.4°C/hour
Operating: Altitude	-300 to 3048 m (10000 ft)
Non-Operating: Temperature	-40°C~65°C
Non-Operating: Relative humidity	5 to 95% non condensing
Non-Operating: Maximum wet bulb temperature	40°C non condensing
Non-Operating: Maximum temperature gradient	20°C/hour
Non-Operating: Altitude	-300 to 12192 m (40000 ft)
Topcover Max. temperature	<60°C
Drivecircuitboard Max. temperature	<63°C
Vibration and Shock
Operating Vibration	1.0 G (9.8 m/s^2) with 5-500Hz
Non-Operating Vibration	5.0 G (49 m/s^2) with 5-500Hz
Operating Shock	325 G (3185 m/s^2) 2 msec / 160 G (1568 m/s^2) 1 msec
Non-Operating Shock	1000 G (9800 m/s^2) 1 msec
Soundlevel
Acoustic Noise (Idle Mode)	2.2 Bels (typ.) / 2.5 (max)
Acoustic Noise (Operating Mode)	2.4 Bels (typ.) / 2.7 (max)

Manual: http://www.hitachigst.com/tech/techlib.nsf/techdocs/8037F4603FE5B763862571840068043C/$file/5K160_SATA_spv1.2.pdf