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Apple Studio Display 21 - Technical Specifications
Physical  Power 
Introduced:1/5/1999Max Watts:180
Discontinued:n/aAmps:3.0
Tube Size:21"BTU per Hr:615.6
Viewable Size:19.8Voltage:90-132/198-264
Tube Type:TrinitronFreq Range:47-63 Hz
Weight (lbs):77  
Dimensions (in):22.3 H x 20.1 W x 21.7 D  
Modes    
ModeResolution Vert Rate Horiz Rate
VGA640 x 48060Hz31.47kHz
Mac640 x 48067Hz35.04kHz
VGA640 x 48085Hz37.5kHz
VESA800 x 60085Hz53.67kHz
Mac832 x 62475Hz49.7kHz
Mac1024 x 76875Hz60.02kHz
VESA1024 x 76885Hz68.68kHz
Mac1152 x 87075Hz68.70kHz
VESA1280 x 102475Hz79.98kHz
VESA1280 x 102485Hz91.15kHz
VESA1600 x 120075Hz93.75kHz
VESA1600 x 120085Hz106.25kHz