Dell OptiPlex GM Technical Guide - Page 34
HARD DRIVES, CONT., Environmental Operating Conditions Non-Condensing, Environmental Non-Operating
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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 HARD DRIVES1 (CONT.) 3.5" 250GB SATA 7200 RPM HDD Capacity (bytes) Dimensions inches (W x D x H) Interface type and Maximum speed Internal buffer size Average Seek Time Rotational Speed Logical Blocks Power Source Power Consumption (reference only) Spin Up Current (reference only) Environmental Operating Conditions (Non-Condensing): Temperature Range Relative Humidity Range Maximum Wet Bulb Temperature Altitude Range Environmental Non-Operating Conditions (Non-Condensing): Temperature Range Relative Humidity Range Maximum Wet Bulb Temperature Altitude Range 250,059,350,016 5.87 x 4 x 1 Up to 6Gb/s (SATA 3.0) Up to 3Gb/s (SATA 2.0) 8 MB 8.5 ms 7200 rpm 488,397,168 Idle 5.0W, Active 10.0W(running IOmeter utility) 5V (1A) ,12V (2A) 50C to 600C 20% to 80% non-condensing 290C -50 ft to 10000 ft -400C to 650C 10% to 90% non-condensing 380C -50 ft to 35000 ft 1 For hard drives, GB means 1 billion bytes ; actual capacity varies with preloaded material and operating environment and will be less. 34