VERSION 1.0 33
DELL™ OPTIPLEX™ 740 TECHNICAL GUIDE
33
opticaL DrivEs, cont.
Combo CD-RW, cont.
MT DT SFF
Maximum Data Transfer Rates
Writes
48x CD 48x CD 24x CD
Reads
16x DVD/48x CD 16x DVD/48x CD 16x DVD/48x CD
Power Source
DC Power Requirements
12V 12V 5V
DC Current
1200mA (12V)/
900mA (5V)
1200mA (12V)/
900mA (5V)
900mA
Environmental Operating Conditions
Operating Temperature Range
5°C – 50°C 5°C – 50°C 5°C – 50°C
Relative Humidity Range
20% – 80% RH 20% – 80% RH 20% – 80% RH
Maximum Wet Bulb Temperature
29°C 29°C 29°C
Altitude Range
-200 – 10600 m -200 – 10600 m -200 – 10600 m
Environmental Non-Operating Conditions
Operating Temperature Range
-45°C – 65°C -45°C – 65°C -45°C – 65°C
Relative Humidity Range
5% – 95% RH 5% – 95% RH 5% – 95% RH
Maximum Wet Bulb Temperature
38°C 38°C 38°C
Altitude Range
-200 – 10600 m -200 – 10600 m -200 – 10600 m
CD-ROM
MT DT SFF
External Dimensions
i n c h e s /c e n t i m e t e r s (Without Bezel–WxhxD)
6"/14.82 cm x 2"/4.2 cm x
7.5"/19.05 cm (max)
5.04"/12.80 cm x
0.5"/1.27 cm x
4.97"/12.61 cm
Weight (max) p o u n D s /k i L o g r a m s
750 g 750 g 175 g
Interface Type and Speed
SATA 48x SATA 48x PATA 24x
Disc Capacity
Standard Standard Standard
Internal Buer Size
Supplier
dependent
Supplier
dependent
Supplier
dependent
Access Times (typical)
Supplier
dependent
Supplier
dependent
Supplier
dependent