Dell OptiPlex 790 - Power Supply; Removing the Power Supply

DELL™ OPTIPLEX™ 790 TECHNICAL GUIDEBOOK - V 2.0
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MED IA CA R D R E AD ER (MC R)
NOTE: Dell 19 in 1 Media Card Reader (MCR) is supported via a F5 to F3 bay converter on the MT and DT and may require a slim line optical drive
depending on selectable configuration. MCR is not available on the SFF and USFF chassis.
19 IN 1 MEDIA CARD READER
MT/DT
External Dimensions inches/(centimeters)
(With Bezel – W x H)
3.99/(10.13cm)/1.0/(2.54cm)
Weight (max) pounds/kilograms ~155g
Interface type and speed
USB 2.0, 480Mb/s
Media Supported ( maximum capacity supported will vary by Flash Media Types)
Media Supported
CF I
CF II
Micro Drive (MD)
Secure Digital (SD)
SDHC
Mini Secure Digital (mini-SD)
Micro Secure Digital (Micro-SD)(with adapter)
Multi Media Card (MMC)
RS Multi Media Card (RS-MMC)
Multi Media Card plus (MMC plus)
RS Multi Media Card plus (RS-MMC plus)
Multi Media Card Micro(MMC Micro) (with adapter)
Memory Stick (MS)
Memory Stick Pro(MS Pro)
Memory Stick Pro Duo (MS Pro Duo)
Memory Stick Duo (MS-Duo)
Memory Stick Micro(MS Micro)(M2) (with adapter)
Smart Media (SM)
xD
Support Specification Versions:
Compact Flash type I/II Version 4.0
Smart Media (SM) Specification 2003
Multi Media Card (MMC) Specification 4.2
Secure Digital (SD) 2.0
Memory Stick Pro (MS-PRO) Specification 1.02
Memory Stick (MS) Specification 1.43
xD Specification 1.2
Power Source
Max Power Requirements 12V, 5V
Supply Voltage Range 4.75V ~ 5.25V
Power Consumption: Standby less than 0.5mA @ 5.0VDC
Environmental Operating Conditions (Non-Condensing):
Operating Temperature Range 5C to 50C
Relative Humidity Range 10% to 90% RH
Environmental Non-Operating Conditions (Non-Condensing):
Operating Temperature Range -40C to 65C
Relative Humidity Range 5% to 95% RH