ST940210AS

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Seagate ST940210AS (40GB)[edit]

Full list of Features[edit]

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