Gateway P-171X 250 GB 5400 RPM Serial ATA Hard Drive KH.25007.011Bytes per sector512Number of heads4Number of disks2Logical layoutNumber of heads16Number of sectors/track63Number of cylinders16,383Number of sectors488,397,168Total logical data bytes250,059,350,016DataRotational speed5,400 RPMBuffer size 8 MBData transfer rates (buffer to/from media)665 MbpsData transfer rates1.5 to 3.0 Gbit/secRecording density1100 KBPI (maximum)Track density186 KTPI (maximum)Areal density205 Gbit/sq-inch (maximum)Number of zones24PerformanceAverage Random Seek Time - Read11 msAverage Random Seek Time - Write13 msPower-on-to-ready3.5 secondsCommand overhead1.0 msDisk-buffer data transfer665 Mb/sBuffer-host data transfer1.5 to 3.0 Gbit/sAverage seek time Read: 11 seconds typical, 14 seconds maximumWrite: 13 seconds typical, 15 seconds maximumFull stroke seek Read: 20.0 seconds typical, 25.0 seconds maximumWrite: 21.0 seconds typical, 26.0 seconds maximumSingle track seek time Read: 1.0 seconds typical, 2.0 seconds maximumWrite: 1.1 seconds typical, 2.2 seconds maximumAverage latency5.5 msDrive ready timePower on to ready: 3.5 seconds typicalPower requirementsNominal supply+5 Volt DCSupply voltage-0.3 Volt to 6.0 VoltPower supply ripple (0�20 MHz)100 mV p-p maximumPerformance Idle average1.7 wattsActive Idle average0.8 wattsLow Power Idle average0.55 wattsRead average1.8 wattsWrite average1.8 wattsSeek average2.2 wattsStandby0.2 wattsSleep.01 wattsStartup (maximum peak)5.0 wattsAverage from power on to ready3.8 wattsPower Consumption Efficiency0.0022 wattsEnvironmentalOperating conditionsTemperature: 5 to 55° CRelative humidity: 8 to 90% noncondensingMaximum wet bulb temperature: 29.4° C noncondensingMaximum temperature gradient: 20° C/hourAltitude: -300 to 3048 m (10,000 ft)Non-operating conditionsTemperature: -40 to 65° CRelative humidity: 5 to 95% noncondensingMaximum wet bulb temperature: 40° C noncondensingMaximum temperature gradient: 20° C/hourAltitude: -300 to 12,192 m (10,000 ft)DimensionsHeight: 0.37 inches (9.5 mm)Width: 2.75 inches (69.85 mm)Length: 3.94 inches (100.2 mm)Weight: 3.28 ounces (102 grams) maximum- This is not a new hard drive. It is a pulled item which might have different compatible part number or model. Please call us before purchasing if you need the exact part number or model
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