ST940210AS

Seagate ST940210AS (40GB)

Full list of Features

Data Storage Capacity
Per drive, Formatted	40 GB
Number of Platters	1
Number of Heads	2
Bytes /Sector	512
Number of Sectors/Track	63
Number of Cylinders	16383
Number of Sectors	78140160
Total Logical Data Bytes	40007761920
Datasheet
Rotational Speed (rpm)	5400
Maximum Internal transfer rate (Mbits/sec)	352
I/O data-transfer rate (Mbytes/sec max)	100
Data transfer rates max (Gbit/sec)	1.5
Recording density (KBPI) (Max)	829
Track density (KTPI)(Max)	143
Areal density (Gbit/sq-inch - Max)	130
Number of Zones
Performance characteristics
Average seek time (read)	<15ms
Average seek time (write)	<15ms
Full stroke seek time (read)	<23ms
Full stroke seek time (write)	<26ms
Power-on-ready (sec)	3.0 (typ.) / 8.0s (max.)
Command overhead (ms)	1.0ms
Track-to-track (read)	1.0ms
Track-to-track (write)	1.5ms
Average Latency time	5.6ms (typ.)
Interface
Type	SATA 1.0
Buffer (MB)	2
Data Transfer Rate	Max. 1.5 Gb/sec
Nominal Power Requirements
Voltage (C); Supply	+5V (5%)
Idle (Watts)	2.5 (performance)
Standby (Watts)	<1.15
Sleep (Watts)	<1.15
Reads (Watts)	2.3 (average)
Writes (Watts)	2.3 (average)
Seeks (Watts)	2.9 (average)
Start-up (A)	1.0 (typ.)
Physical & Environmental Specifications (mm)
Height	9.5 (9.5mm ±0.2) / 0.374" +/-0.008"
Width	70 (69.85mm ±0.25) / 2.750" +/-0.010"
Depth	100 (100.2±0.25) / 3.945" +/-0.010"
Weight	100 gram / 0.22 pounds
Ambient
Operating: Temperature	0° to 60°C
Operating: Relative humidity	8% to 90% noncondensing (30% per hour max)
Operating: Maximum wet bulb temperature	30°C (86°F max)
Operating: Maximum temperature gradient	20°C per hour (68°F per hour max), without condensation
Operating: Altitude	–304.8 m to 3,048 m (–1,000 ft to 10,000+ ft)
Non-Operating: Temperature	–40° to 70°C (–40° to 158°F)
Non-Operating: Relative humidity	5% to 95% noncondensing (30% per hour max)
Non-Operating: Maximum wet bulb temperature	40°C (104°F max)
Non-Operating: Maximum temperature gradient	30°C per hour (86°F per hour max), without condensation
Non-Operating: Altitude	–304.8 m to 12,192 m (–1,000 ft to 40,000+ ft)
Topcover Max. temperature	<65°C (<149°F)
Drivecircuitboard Max. temperature	<65°C (<149°F)
Vibration and Shock
Operating Vibration	0.5 G (5–350 Hz) / 0.25 G (351–500 Hz)
Non-Operating Vibration	5 G (10–350 Hz) / 1.0 G (351–500 Hz)
Operating Shock	175 G 2 msec
Non-Operating Shock	500 G 2 msec / 350 G 1 msec / 200 G 0.5 msec
Soundlevel
Acoustic Noise (Idle Mode)	2.4 Bels (typ.)
Acoustic Noise (Operating Mode)	2.6 Bels (typ.)

Manual: http://www.seagate.com/staticfiles/support/disc/manuals/ata/100450862e.pdf