19
mT
DT
sff
External Dimensions inches/
centimeters (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 (0.5 in)/
126.1mm (4.97in)
Weight (max) pounds/
kilograms
750g
750g
157g
Interface type and speed
SATA 48x
SATA 48x
SATA 24x
Disc Capacity
Standard
Standard
Standard
Internal buffer size
supplier dependent
supplier dependent
supplier dependent
Access Times (typical)
supplier dependent
supplier dependent
supplier dependent
Maximum Data Transfer
Rates
Writes
N/A
N/A
N/A
Reads
48x CD
48x CD
24x CD
Power Source
DC Power Requirements
12V
12V
5V
DC Current
1200mA (12V)/ 900mA (5V)
1200mA (12V)/ 900mA (5V)
800mA
Environmental Operating
Conditions (Non-
Condensing):
Operating Temperature
Range
5C to 50C
5C to 50C
5C to 50C
Relative Humidity
Range
20% to 80% RH
20% to 80% RH
20% to 80% RH
Maximum Wet Bulb
Temperature
29C
29C
29C
Altitude Range
-200 to 3048m
-200 to 3048m
-200 to 3048m
Environmental Non-
Operating Conditions (Non-
Condensing):
Operating Temperature
Range
-45C to 65C
-45C to 65C
-45C to 65C
Relative Humidity
Range
5% to 95% RH
5% to 95% RH
5% to 95% RH
Maximum Wet Bulb
Temperature
38C
38C
38C
Altitude Range
-200 to 10600m
-200 to 10600m
-200 to 10600m
BIOS Factory Defaults (All chassis unless noted)
Drives
Diskette drive:
Internal
SATA-0:
On
SATA-1:
On
SATA-2
1
:
Depends on chassis and HDDs installed
SATA-3
2
:
Depends on chassis and HDDs installed
SMART Reporting:
Off
Onboard Devices
Integrated NIC:
On
Integrated Audio:
On
USB Controller:
On
Rear Quad USB:
On
Rear Triple USB:
On
Front USB:
On
LPT Port Mode:
PS/2
LPT Port Address:
378h
Serial Port #1:
Auto
UART Powerdown
Auto
cD-rOm
More details for optical drives can be found at:
http://support.dell.com/support/systemsinfo/documentation.aspx?c=us&l=en&s=gen&~cat=7
BIOS Defaults
Summary of Contents for OPTIPLEX 740
Page 1: ...Dell OptiPlex 740 ...
