Dell OptiPlex 755 - Manual (Page 36)

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Dell™ optiplex™ 755 technical guiDe
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External Dimensions
inches / centimeters
(Of Actual Drive Without Bezel – W x H x D):
148.2mm(6in)/
42mm (2in)/ 190.5
(max)
148.2mm(6in)/
42mm (2in)/ 190.5
(max)
128.0 mm (5.04)/
12.7mm (0.5in)/
126.1mm (4.97in)
128.0 mm (5.04)/
12.7mm (0.5in)/
126.1mm (4.97in)
Weight (max)
pounds / kilograms
750g 750g 175g 175g
Interface Type and Speed SATA 48x SATA 48x
PATA 24x or
SATA 24x
PATA 24x
Disc Capacity Standard Standard Standard Standard
Internal Buffer Size
Supplier-
dependent
Supplier-
dependent
Supplier-
dependent
Supplier-
dependent
Access Times (typical)
Supplier-
dependent
Supplier-
dependent
Supplier-
dependent
Supplier-
dependent
Maximum Data Transfer Rates
Writes 48x CD 48x CD 24x CD 24x CD
Reads 16x DVD/48x CD 16x DVD/48x CD 8x DVD/ 24x CD 8x DVD/ 24x CD
Power Source
DC Power Requirements 12V 12V 5V 5V
DC Current
1200mA (12V)/
900mA (5V)
1200mA (12V)/
900mA (5V)
900mA 900mA
Environmental Operating Conditions :
Operating Temperature Range 5°C to 50°C 5°C to 50°C 5°C to 50°C 5°C to 50°C
Relative Humidity Range 20% to 80% RH 20% to 80% RH 20% to 80% RH 20% to 80% RH
Maximum Wet Bulb Temperature 29°C 29°C 29°C 29°C
Altitude Range -200 to 10600m -200 to 10600m -200 to 10600m -200 to 10600m
Environmental Non-Operating Conditions :
Operating Temperature Range -45°C to 65°C -45°C to 65°C -45°C to 65°C -45°C to 65°C
Relative Humidity Range 5% to 95% RH 5% to 95% RH 5% to 95% RH 5% to 95% RH
Maximum Wet Bulb Temperature 38°C 38°C 38°C 38°C
Altitude Range -200 to 10600m -200 to 10600m -200 to 10600m -200 to 10600m
opticaL DrivEs, cont.