Dell OptiPlex 3090 User Manual

Chapter 1: Working inside your computer...................................................................................... 6
Safety instructions.............................................................................................................................................................. 6
Before working inside your computer.......................................................................................................................6
Safety precautions.........................................................................................................................................................7
Electrostatic discharge—ESD protection................................................................................................................7
ESD field service kit ..................................................................................................................................................... 8
Transporting sensitive components.......................................................................................................................... 9
After working inside your computer..........................................................................................................................9
Chapter 2: Removing and installing components.......................................................................... 10
Recommended tools..........................................................................................................................................................10
Screw list............................................................................................................................................................................. 10
Side cover.............................................................................................................................................................................11
Removing the side cover.............................................................................................................................................11
Installing the side cover.............................................................................................................................................. 12
Front bezel...........................................................................................................................................................................14
Removing the front bezel...........................................................................................................................................14
Installing the front bezel.............................................................................................................................................14
Fan shroud...........................................................................................................................................................................15
Removing the fan duct............................................................................................................................................... 15
Installing the fan duct................................................................................................................................................. 16
2.5-inch hard-drive assembly.......................................................................................................................................... 17
Removing the 2.5-inch hard-drive assembly......................................................................................................... 17
Removing the 2.5-inch hard-drive bracket............................................................................................................18
Installing the 2.5-inch hard-drive bracket..............................................................................................................19
Installing the 2.5-inch hard-drive assembly.......................................................................................................... 20
3.5-inch hard drive............................................................................................................................................................22
Removing the 3.5-inch hard drive...........................................................................................................................22
Installing the 3.5-inch hard-disk drive.................................................................................................................... 22
Solid-state drive................................................................................................................................................................ 23
Removing the M.2 2230 PCIe solid-state drive................................................................................................... 23
Installing the M.2 2230 PCIe solid-state drive..................................................................................................... 24
Removing the M.2 2280 PCIe solid-state drive...................................................................................................25
Installing the M.2 2280 PCIe solid-state drive..................................................................................................... 26
Memory modules............................................................................................................................................................... 27
Removing the memory modules............................................................................................................................... 27
Installing the memory modules.................................................................................................................................28
Processor fan and heat-sink assembly.........................................................................................................................29
Removing the processor fan and heat-sink assembly........................................................................................ 29
Installing the processor fan and heat-sink assembly.......................................................................................... 30
Processor............................................................................................................................................................................. 31
Removing the processor.............................................................................................................................................31
Installing the processor.............................................................................................................................................. 32
Graphics card..................................................................................................................................................................... 34
Contents
Contents 3

Dell OptiPlex 3090 Specifications

General

Processor cache	8 MB
Processor cores	4
Processor model	i5-1145G7
Processor family	Intel® Core™ i5
Configurable TDP-up	28 W
Processor frequency	- GHz
Configurable TDP-down	12 W
Processor manufacturer	Intel
Processor boost frequency	4.4 GHz
Configurable TDP-up frequency	2.6 GHz
Number of processors installed	1
Configurable TDP-down frequency	1.1 GHz
Non-ECC	Yes
Memory slots	2x SO-DIMM
Internal memory	16 GB
Memory channels	Dual-channel
Memory clock speed	3200 MHz
Internal memory type	DDR4-SDRAM
Maximum internal memory	64 GB
Microphone in	No
DisplayPort version	1.4
USB 2.0 ports quantity	0
Power supply	65 W
Power supply input voltage	100 - 240 V
Power supply input frequency	50 - 60 Hz
Operating shock	110 G
Operating altitude	-15.2 - 3048 m
Non-operating shock	160 G
Operating vibration	0.66 G
Non-operating altitude	-15.2 - 10668 m
Non-operating vibration	1.3 G
Storage temperature (T-T)	-40 - 65 °C
Operating temperature (T-T)	0 - 35 °C
Storage relative humidity (H-H)	0 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Antenna type	2x2
LAN controller	Realtek RTL8111HS
Wi-Fi standards	Wi-Fi 5 (802.11ac)
Bluetooth version	5.0
Cabling technology	10/100/1000Base-T(X)
WLAN controller model	Qualcomm QCA61x4A
Ethernet LAN data rates	10, 100, 1000 Mbit/s
WLAN controller manufacturer	Qualcomm
SSD capacity	256 GB
SSD interface	NVMe, PCI Express
Storage media	SSD
SSD form factor	M.2
Operating system architecture	64-bit
Chassis type	UFF
Product color	Black
Cable lock slot type	Kensington
Discrete graphics card model	Not available
On-board graphics card model	Intel Iris Xe Graphics
Audio chip	Realtek ALC3204-CG
Audio system	High Definition Audio
Product type	Mini PC

Weight and Dimensions

Depth	19.7 mm
Width	96.1 mm
Height	256.2 mm
Weight	650 g