40 gigowy dysk w idealnym stanie, używany przez 3 lata tylko do kopii zapasowych Zdecydowanie polecam ! montaż dysku i instalacja systemu FUNCTIONAL SPECIFICATIONS
Formatted storage capacity 40 GB
Bytes per sector 512 bytes
Seek time (track to track) 1.5 typ. ms. typ.
Seek time (average) 12 typ. ms. typ. (read/write)
Seek time (full track) 22 typ. ms. typ. (read/write)
Average latency time 7.14 ms.
Rotational speed 4,200 RPM
Interface ATA-6
Data buffer size 2048 KB
Data transfer rate (DMA mode 2) 16.6 MB per second
Data transfer rate (PIO mode 4) 16.6 MB per second
Data transfer rate (UDMA mode 2) 33.3 MB per second
Data transfer rate (UDMA mode 4) 66.6 MB per second
Data transfer rate (UltraATA) 100 MB per second
Recording code 32/34 MEEPRML
Head positioning method Rotary VCM Embedded Servo
Spindle start time 3.5 seconds typical
Spindle stop time 5 seconds typical
PHYSICAL SPECIFICATIONS
Power requirement Voltage 5V ±5%
Ripple 100 mV P-P
Power requirement Spin up 0.90A max.
Power requirement Read/write 2.1 W typ.
Power requirement Idle (ready) 0.65 W typ.
Power requirement Sleep 0.1 W typ.
Form Factor 2.5-inch x 9.5mm
Mounting screws M3
Height 9.5 mm
Width 70 mm
Depth 100 mm
Weight 0.099 kg
Ambient temperature (operating) 5 to 55 degrees C
Ambient temperature (non-operating) -40 to 65 degrees C
Gradient 20 degrees C per hour
Relative humidity (operating) 8 to 90 % RH (non-condensing)
Relative humidity (non-operating) 5 to 95 % RH (non-condensing)
Maximum wet bulb 29 (Op.)/ 40 (Non Op.) degrees C (non-condensing)
Vibration (operating) 9.8m/s^2 (1.0G) (5 to 500Hz)
Vibration (non-operating) 49m/s^2 (5.0G) (5 to 500Hz)
Shock (operating) 2,205m/s^2 (225G) 2ms
Shock (non-operating) 8,820m/s^2 (900G) 1ms / 1,176m/s^2 (120G) 11ms
Altitude (operating) -300 to 3,000 metres
Altitude (non-operating) -300 to 12,000 metres
Acoustic noise (at 1 metre idle) 24 dBA typical
Acoustic noise (at 1 metre idle) 2.3 bels
RELIABILITY
MTBF (Mean Time Between Failures) More than 300,000 power on hours
MTTR (Mean Time To Repair) 30 minutes or less
Component life (years)
Design life used to calculate MTBF. NOT Warranty 3 years
Component life (hours) 20,000 power on hours
Unrecoverable errors 1 per 10^13 bits read
Seek errors 1 per 10^6 seeks
S tart/stop cycles 300,000 cycle
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